See 2, 3 or 4 moves ahead



Here are some chess puzzles from games of the 2012 Istanbul Olympiad.
The color disk on the diagram indicates who moves first.

Solutions are between the brackets under each puzzle.
Drag your cursor from one bracket to the other.

a)
White mates in 2.
Lazaro Bruzon vs Ryosuke Nanjo, Istanbul, 2012
r5rk/pp1nPQ1p/2p5/2P5/3q1N2/5R2/PP5P/6RK w - - 0 1
[ Qxh7+ ]

b)
White mates in 2.
Vlad Serban vs Gerald Winston, Istanbul, 2012
1q2k2r/1p2bR2/p3P1Qp/3p4/1P6/P7/8/7K w - - 0 1
[ Rf8+ ]

c)
White mates in 2.
Amir Zaibi vs Estube Haileselassie Tadese, Istanbul, 2012
3r2rk/2q2pRp/3p1P2/p4P2/Pp6/1B2p3/1PP1Q2P/1K6 w - - 0 1
[ Rxh7+ ]

d)
White mates in 2.
Rodwell Makoto vs Ali Hammoubi, Istanbul, 2012
5k2/R5p1/8/3NPK1p/5P1P/8/p7/r7 w - - 0 1
[ Ra8+ ]

e)
White mates in 2.
Daniel Mieles Palau vs Abdalsalam Albzour, Istanbul, 2012
1r4k1/1p6/2p3PB/2Pp1R1N/3P4/7P/7K/q7 w - - 0 1
[ Nf6+ ]

1d)
mate in 2
Rodwell Makoto vs Ali Hammoubi

Istanbul Olympiad Puzzles, Part II.
The color disk on the diagram indicates who moves first.
a)
White mates in 2.
Frode Urkedal vs Haseeb Ahmed, Istanbul, 2012
r1b3kr/pp1n1p1p/3B2p1/2pBp2Q/2P2q2/8/PP3P1P/R3K1R1 w Q - 0 1
[ Rxg6+ ]

b)
White mates in 2.
Hans Tikkanen vs Dashzegve Sharavdorj, Istanbul, 2012
3rq2k/4N1pn/1p1P1p1p/p1bQ4/7P/6P1/PB3PK1/3R4 w - - 0 1
[ Qg8+ ]

c)
Black mates in 2.
Toby Brookfield vs Gabriel Berrios Echevarria, Istanbul, 2012
2r5/1pr2p2/p1bRp1p1/7p/2P1Pk1K/3R1B1P/P5P1/8 b - - 0 1
[ ...g5+ ]

d)
Black mates in 2.
Axel Smith vs Nikola Sedlak, Istanbul, 2012
5k2/1R3p2/2p1pn2/p7/2P2b2/1P1K4/P5rp/3B3R b - - 0 1
[ ...Rd2+ ]

e)
Black mates in 2
Lubomir Ftacnik vs Bojan Kurajica, Istanbul, 2012
3r4/Q1R1r1kp/6p1/p3N3/1p3P2/1P4P1/P3KP1P/7q b - - 0 1
[ ..Qd1+ ]

2d)
mate in 2
Axel Smith vs Nikola Sedlak

Istanbul Olympiad Puzzles, Part III.
The color disk on the diagram indicates who moves first.
a)
Black mates in 2.
Martin Gateri vs Jirapak Pitirotjirathon, Istanbul, 2012
7r/pp1nk1p1/4p1p1/3p2n1/P2P2P1/1Pr2PK1/2P3B1/R1R1N3 b - - 0 1
[ ...Ne4+ ]

b)
Black mates in 2.
Wim Blijstra vs Mark Machin-Rivera, Istanbul, 2012
r5k1/ppp1P2r/8/3Pp3/1PQ1P1n1/5pq1/P3BN2/R2N1K2 b - - 0 1
[ ...Rh1+ ]

c)
White mates in 3.
Nicholas Pert vs Daniel Jose Queralto, Istanbul, 2012
6rk/6p1/6Rp/7Q/4q3/6RP/P4rPK/8 w - - 0 1
[ Qxh6+ ]

d)
White mates in 3.
William Alfaro vs Hector Eduardo Chavez, Istanbul, 2012
4R3/4R1bk/pp1p4/2pB2p1/P1P5/3n2P1/1P1r3P/6K1 w - - 0 1
[ Be4+ Kh6 Rh8+ ]

e)
White mates in 3.
Max Illingworth vs Gombosuren Munkhgal, Istanbul, 2012
1b3r2/2q2P1k/8/np4Qp/4R1P1/2P4K/BP6/3R4 w - - 0 1
[ Qg8+ ]

3d)
mate in 3
William Alfaro vs Hector Eduardo Chavez

Istanbul Olympiad Puzzles, Part IV.
The color disk on the diagram indicates who moves first.
a)
White mates in 3.
Sergio Barrientos vs Delisle Warner, Istanbul, 2012
6k1/p2q1nP1/1p2p2Q/3pPp2/P2P4/3P2R1/r4PPK/8 w - - 0 1
[ Qh7+ ]

b)
White mates in 3.
Fabian Ferster vs Mawuvi Koue Kouevi, Istanbul, 2012
3r2rk/5p1p/pp1p1PpQ/2p5/2b5/1P1B4/P5PP/3R1RK1 w - - 0 1
[ Rf4 w/Qxh7+ ]

c)
White mates in 3.
Vassily Ivanchuk vs Radoslaw Wojtaszek, Istanbul, 2012
5r2/2R2p1k/p3pp1p/4N3/P6P/6Q1/1q1r2PK/8 w - - 0 1
[ Rxf7+ ]

d)
White mates in 3.
Richard Mbedza vs Martin Gateri, Istanbul, 2012
r3k3/1pQ3b1/p2P2np/2p5/2BP1nP1/2P1q3/PP1N3P/R6K w - - 0 1
[ d7+ ]

e)
White mates in 3.
Vahap Sanal vs Ravindran Shanmugam, Istanbul, 2012
r5kr/1q1nQ1p1/p1N4p/1p6/1P3P2/2P5/P1B3PP/R5K1 w - - 0 1
[ Bb3+ ]

4c)
mate in 3
Vassily Ivanchuk vs Radoslaw Wojtaszek

Istanbul Olympiad Puzzles, Part V.
The color disk on the diagram indicates who moves first.
a)
White mates in 3.
Arthur Ssegwanyi vs Roy Phillips, Istanbul, 2012
7k/4p1rp/q2p2p1/6P1/b3r3/1BQ5/1PP5/R1K4R w - - 0 1
[ Rxh7+ ]

b)
White mates in 3.
Jan Gustafsson vs Serghei Vedmediuc, Istanbul, 2012
2Q5/4qkb1/3p4/1p1Pp3/p5P1/P2B4/1P2KP2/8 w - - 0 1
[ Bg6+ ]

c)
White mates in 3.
Alexander Onischuk vs Baris Esen, Istanbul, 2012
1rk2q2/5pp1/1pP2n1p/p1p1Q3/P1P5/5B1P/5PP1/3R2K1 w - - 0 1
[ Bg4+ if Nxg4 Qf5+ or if Nd7 Bxd7+ ]

d)
White mates in 3.
John Shaw vs Ernesto Fonseca Cabrera, Istanbul, 2012
r3k2r/1p1q1ppp/4p1b1/p3P1B1/1Q6/1PR5/P4PPP/2R3K1 w kq - 0 1
[ Rc8+ ]

e)
White mates in 3.
Meilis Annaberdiev vs Ryan Rhys Griffiths, Istanbul, 2012
k1q3r1/pR3p2/Pb2b3/1B2QN1p/3pP3/5PP1/2P3KP/8 w - - 0 1
[ Rb8+ ]

5e)
mate in 3
Meilis Annaberdiev vs Ryan Rhys Griffiths

Istanbul Olympiad Puzzles, Part VI.
The color disk on the diagram indicates who moves first.
a)
White mates in 3.
Patrick Van Hoolandt vs Joe Tjong Tjin, Istanbul, 2012
1n6/3nB1bk/3P2p1/2pQ3p/5p2/3B1P2/1q2N1K1/8 w - - 0 1
[ Qxh5+ ]

b)
Black mates in 3.
Abdul Rahman Ali vs Julio Ostos, Istanbul, 2012
4r1k1/2p2pb1/pp5p/5qpb/P1PPp3/1NQ1P1Pn/1P4KP/R1B1N3 b - - 0 1
[ ...Qf2+ Kxh3 g4+ ]

c)
Black mates in 3.
Joel Celis vs Filip Pancevski, Istanbul, 2012
8/Q1pk4/p2r1pn1/N3p3/PP4p1/2P3p1/4KPP1/R3R2q b - - 0 1
[ ...Nf4+ Ke3 Rd3+ Ke4 Qh7# ]

d)
Black mates in 3.
Jose Pesqueira vs Ruben Miguel Pereira, Istanbul, 2012
6rk/2p3qp/1p1p4/3Pp3/1PP1Pr2/PR3P1Q/5B2/7K b - - 0 1
[ ...Rh4 if Bg3 Qxg3 ]

e)
Black mates in 3.
Joseph Atwoli vs Joseph Nyambalo, Istanbul, 2012
4r1k1/1B3p1p/6p1/P1p5/2P2q2/1P2r1P1/1Q5P/R6K b - - 0 1
[ ...Re1+ ]

6c)
mate in 3
Joel Celis vs Filip Pancevski

Istanbul Olympiad Puzzles, Part VII.
The color disk on the diagram indicates who moves first.
a)
Black mates in 3.
Theotime Rutaremara vs H K Tsang, Istanbul, 2012
2r4k/p6p/2r3pb/4pp2/3q4/Q2P4/PP1N1RPP/R4K2 b - - 0 1
[ ...Rc1+ ]

b)
Black mates in 3.
Mohamed Ezat vs Meilis Annaberdiev, Istanbul, 2012
1r6/P4k1p/3P2p1/4b3/2p1Q3/2NnB1qP/1r4P1/R5K1 b - - 0 1
[ ...Qh2+ Kf1 Qh1+ ]

c)
Black mates in 3.
Gilberto Milos vs Pontus Carlsson, Istanbul, 2012
1k4r1/pp3p2/2p2n1b/8/P5nP/2NR1Q2/1P2PPBq/1R3K2 b - - 0 1
[ ...Qh1+ Bxh1 Nh2+ ]

d)
White mates in 4.
Levon Aronian vs Ziaur Rahman, Istanbul, 2012
5rk1/p1Q2ppp/r1q5/8/P4R2/5PP1/5P2/3R2K1 w - - 0 1
[ Qxf7+ if Rxf7 Rd8+ ]

e)
White mates in 4.
Rogvi Nielsen vs Koffi Botsoe, Istanbul, 2012
1r1q3r/pp3p2/3p4/5pkB/3Q3R/8/5PPP/5RK1 w - - 0 1
[ Bxf7 if Rxh4 Qg7+ ]

7c)
mate in 3
Gilberto Milos vs Pontus Carlsson

Istanbul Olympiad Puzzles, Part VIII.
The color disk on the diagram indicates who moves first.
a)
White mates in 4.
Ruben Bernardi vs Paul Khuphwathea, Istanbul, 2012
1Q3R2/1p4rk/2b5/6p1/4q3/7P/PPP3PK/8 w - - 0 1
[ Rh8+ Kg6 Qd6+ ]

b)
White mates in 4.
Manuel Perez Candelario vs Saleh Salman, Istanbul, 2012
3r2kr/1p2qp1b/p1p2p1Q/3ppP1R/1P4P1/1BPP1P2/P5K1/7R w - - 0 1
[ Qxh7+ ]

c)
White mates in 4.
T Kett vs Ricardo Ernesto Chavez, Istanbul, 2012
3R1b1k/2nR3p/p1B2rp1/q1P5/2Q5/7P/Pp4P1/1K6 w - - 0 1
[ Rxf8+ ]

d)
White mates in 4.
Daniel Jere vs Dulan Edirisinghe, Istanbul, 2012
r3r3/1p1q3k/1P1p1Qpp/3B1b2/5P2/n1B3P1/7P/2R1R1K1 w - - 0 1
[ Bg8+ Rxg8 Re7+ ]

e)
Black mates in 4.
Graham Mooney vs Ravishen Singh, Istanbul, 2012
6k1/6pp/P7/R3Np2/3qb3/QK6/1P5P/2r5 b - - 0 1
[ ...Bc2+ Ka2 Ra1+ ]

8e)
mate in 4
Graham Mooney vs Ravishen Singh

Istanbul Olympiad Puzzles, Part IX.
The color disk on the diagram indicates who moves first.
a)
Black mates in 4.
Kigigha Bomo vs Hans Tikkanen, Istanbul, 2012
8/1Q6/3b3k/3p2pp/3P2n1/2B1P1P1/8/5qNK b - - 0 1
[ ...Nf2+ Kh2 h4 ]

b)
White mates in 5.
Manuel Latorre vs Richard Mbedza, Istanbul, 2012
r2q2kb/3br2p/p1pNp1pB/1pP5/5Q2/1B6/PP2RPPP/6K1 w - - 0 1
[ Rxe6 if Bxb2 Re5+ ]

c)
White mates in 5.
Alan Rosenbeiger vs Badr Al-Hageri, Istanbul, 2012
r4r1k/p3Npp1/R2Np2p/4P3/5P2/P5P1/2p3QP/nq3BK1 w - - 0 1
[ Nxf7+ ]

d)
White mates in 8.
Throstur Thorhallsson vs Christian Jeitz, Istanbul, 2012
4r1k1/1p6/p1b1q2p/5RpQ/PP1p4/3B3P/2P3P1/7K w - - 0 1
[ Bc4 if Qxc4 Qg6+ ]

e)
Elijah Emojong vs Ilmars Starostits, Istanbul, 2012
8/1p2kp1p/1q2pp2/pB6/Pb1r4/5QN1/1P5P/3R3K w - - 0 1
[ Nf5+ if exf5 Qe3+ ]

9e)
Elijah Emojong vs Ilmars Starostits

Istanbul Olympiad Puzzles, Part X.
The color disk on the diagram indicates who moves first.
a)
Sameer Mansour vs Edward Thompson, Istanbul, 2012
r3brk1/pp2p1b1/7p/2pq3n/2N5/6B1/P1Q1BPPP/2R2RK1 w - - 0 1
[ Nb6 if axb6 Bc4 ]

b)
Hassan Mohamed vs Chiletso Chipanga, Istanbul, 2012
r4rk1/1bqp2pp/p3p1n1/1pb2p1N/3pP1Q1/PB1P4/1PP2PPP/R1B2RK1 w - - 0 1
[ exf5 ]

c)
Vit Valenta vs Douglas Garcia, Istanbul, 2012
1r3rk1/p1q4p/4p1p1/2pb1p2/5P1Q/2P2NP1/PP5P/3RR1K1 w - - 0 1
[ Rxd5 if exd5 Re7 ]

d)
Eduardo Galvez Dastin vs Ronald Lwebuga, Istanbul, 2012
r1bqn3/pp3r2/4p2k/3p2p1/3P4/4Q1PB/PPR2P1P/2R3K1 w - - 0 1
[ Rxc8 Rxc8 Qxe6+ ]

e)
Yehuda Gruenfeld vs W C C Perera, Istanbul, 2012
r1b4r/3nkpp1/p3p2p/1pq1n3/8/2N2NQ1/PPP3PP/2KR1B1R w - - 0 1
[ Nxe5 Nxe5 Ne4 if Qc7 Qa3+ Ke8 Nd6+ ]

10e)
Yehuda Gruenfeld vs W C C Perera

Istanbul Olympiad Puzzles, Part XI.
The color disk on the diagram indicates who moves first.
a)
Bayarsaihan Gundavaa vs David Smerdon, Istanbul, 2012
5r2/3n1q1k/b1p4p/p1P1Pp2/Pp1BP3/1P6/3Q3P/6RK w - - 0 1
[ e6 if Qxe6 Rg7+ mates ]

b)
Mustafa Yilmaz vs Daniel Cawdery, Istanbul, 2012
r1n1kb2/pppbqpp1/8/3PP3/2n1P3/2N2BQ1/PP2N3/R1B1K3 w Qq - 0 1
[ e6 if fxe6 Bh5+ Kd8 Bg5 ]

c)
Ali Layth Ahmed vs Desalegn Jimma Fekadu, Istanbul, 2012
1r4k1/pp2ppbp/2n1b1pq/2Rr4/3P2P1/4PN1P/PB2QPB1/3R2K1 w - - 0 1
[ Rxd5 Bxd5 e4 if Bxa2 Bc1 ]

d)
Bassem Amin vs Robert Gwaze, Istanbul, 2012
r4rk1/pn2qbpp/8/3npP2/1Pp1N1QN/2P4B/P6P/R3R1K1 w - - 0 1
[ f6 Nxf6 Nf5 ]

e)
Inguh Kim vs Goru Arvind, Istanbul, 2012
r1bqk2r/ppp1bppp/1n2p3/8/3nP3/2NB1N2/PP3PPP/R1BQ1RK1 w kq - 0 1
[ Nxd4 if Qxd4 Bb5+ ]

11d)
Bassem Amin vs Robert Gwaze

Istanbul Olympiad Puzzles, Part XII.
The color disk on the diagram indicates who moves first.
a)
Gabriel Sargissian vs Oliver Dimakiling, Istanbul, 2012
r3r1k1/7p/2n1Pp2/8/q1p5/2P2B1P/5PP1/3Q1RK1 w - - 0 1
[ Qxa4 Rxa4 Bxc6 ]

b)
Sidi Mbareck Mohamed vs Louia Jouault, Istanbul, 2012
2k4r/1pp1b1pp/1q6/8/r3p3/P5PP/2P2PBK/R2Q1R2 w - - 0 1
[ Qg4+ Kb8 Qd7 ]

c)
Fuad Ahmed vs Desalegn Fekadu, Istanbul, 2012
r3r1k1/5p2/bqp1pn1p/p3N1p1/1P1P4/P5P1/2B2PP1/R2QR1K1 w - - 0 1
[ Qf3 if Kg7 Qxf6+ or if Qd8 Nxc6 ]

d)
Dulan Edirisinghe vs Yang Liu Yeh, Istanbul, 2012
r4rk1/1p1b2pp/pq1b1p2/2pPp2Q/P1P1P3/2N3RP/1P2B1P1/5RK1 w - - 0 1
[ Qh6 if Rf7 Rxf6 Raf8 Bh5 ]

e)
Amro El Jawich vs Pavlos Constantinou, Istanbul, 2012
2rr2k1/p3ppbp/3pbnp1/q7/N2nPPP1/1PN2B1P/P2B3K/1R1Q1R2 w - - 0 1
[ Nd5 if Nxf3+ Rxf3 Qb5 Nxe7+ ]

12b)
Sidi Mbareck Mohamed vs Louia Jouault

Istanbul Olympiad Puzzles, Part XIII.
The color disk on the diagram indicates who moves first.
a)
Prachand Malakar vs Joseph-Mary Muteesaasira, Istanbul, 2012
r3b1k1/p2q4/2pQp1pp/3p4/2pP4/2P1P3/P3B1PP/5RK1 w - - 0 1
[ Rf8+ if Kg7 Qxd7 ]

b)
Vidmantas Malisauskas vs Mauricio Arias Santana, Istanbul, 2012
nbn5/pp2q1pp/4k3/P2p1p2/1Q1P1B2/1P3BP1/4PP1P/6K1 w - - 0 1
[ Bxd5+ if Kxd5 Qc4+ mates or if Kf6 Qxb7 ]

c)
Milos Perunovic vs Phemelo Khetho, Istanbul, 2012
n3r1k1/Q2r1ppp/1pN1b3/3p4/5qP1/7P/PP3PB1/3RR1K1 w - - 0 1
[ Rxe6 ]

d)
Ryan Harper vs Clevert Bacchas, Istanbul, 2012
2bbrr1k/5p2/p3q1pp/1p1pP2B/1P1B4/2P1R1Q1/P5PP/5R1K w - - 0 1
[ Bg4 if Qc6 e6+ Kg8 exf7+ Rxf7 Rxe8+ Qxe8 Rxf7 Qxf7 Bxc8 ]

e)
Ferenc Frink vs Guillermo Vazquez, Istanbul, 2012
1r4k1/6pp/p3Rr2/2Pp4/3Pp1B1/P1pb4/5PPP/2R3K1 w - - 0 1
[ Rxf6 gxf6 c6 ]

13d)
Ryan Harper vs Clevert Bacchas

Istanbul Olympiad Puzzles, Part XIV.
The color disk on the diagram indicates who moves first.
a)
Bryan Macias Murillo vs Mauricio Flores Rios, Istanbul, 2012
r4rk1/1b3ppp/1qn1p3/p1bpP1P1/1p1N4/1P1BBP2/P1P2Q1P/1K1R3R w - - 0 1
[ Nxc6 if Bxe3 Bxh7+ Kh8 Qh4 Bxg5 Qxg5 Kxh7 ]

b)
Jean-Francois Nelis vs Craig Skehan, Istanbul, 2012
1r4k1/2rn1p1p/1p1b1qp1/p1pPp3/P1N1P3/1P2BP2/3Q2PP/2RR2K1 w - - 0 1
[ Bg5 if Qg7 Nxd6 ]

c)
Felix Aponte vs Jorge Viterbo Ferreira, Istanbul, 2012
1q1r2k1/4nppp/p2p1n2/Qp2p3/8/Pb2BB2/5PPP/2R2R1K w - - 0 1
[ Ba7 ]

d)
Vlastimil Babula vs Martin Neubauer, Istanbul, 2012
5k1r/pp6/2p2p2/2b1n2B/P1r3P1/8/1B2RPK1/3R4 w - - 0 1
[ Rxe5 fxe5 Rd8+ ]

e)
Dion Moyo vs Damion Davy, Istanbul, 2012
5rk1/5pp1/4p2p/1p2q2P/1p1N4/2n3PB/5Q1K/5R2 w - - 0 1
[ Nxe6 if Ne4 Qf4 ]

14a)
Bryan Macias Murillo vs Mauricio Flores Rios

Istanbul Olympiad Puzzles, Part XV.
The color disk on the diagram indicates who moves first.
a)
William Van Rensselaer vs Deo Ntagasigumwami, Istanbul, 2012
r1bq1rk1/pppnb1pp/4p3/3pP1P1/3P3P/2PB4/PP1N1P2/R2QK2R w KQ - 0 1
[ Bxh7+ Kxh7 or Kh8 Qh5(+) ]

b)
Blazo Kalezic vs Asghar Golizadeh, Istanbul, 2012
5rk1/5p2/6p1/3nq3/1n4P1/5Q1P/6B1/r1BR1R1K w - - 0 1
[ Bb2 Qxb2 Rxa1 ]

c)
Mohamed Ezat vs Bart Michiels, Istanbul, 2012
2q2nk1/p1rr2p1/4pP1p/8/2R2P1P/6Q1/PB6/2R3K1 w - - 0 1
[ Rxc7 Rxc7 f7+ ]

d)
Duc Hoa Nguyen vs Andrey Kvon, Istanbul, 2012
2q1n1k1/1rP2ppp/4p3/8/1pQ5/1Pp3P1/5P1P/R3N1K1 w - - 0 1
[ Ra8 ]

e)
Roy Phillips vs Fabian Ferster, Istanbul, 2012
rr3qk1/1pp4p/3p1pp1/p4bP1/2P2P2/PP2PB2/1Qn4P/B1KRR3 w - - 0 1
[ Bd5+ Kg7 gxf6+ Kh6 e4 ]

15e)
Roy Phillips vs Fabian Ferster

Istanbul Olympiad Puzzles, Part XVI.
The color disk on the diagram indicates who moves first.
a)
Carlos Quinones Centeno vs Ward Al-Tarbosh, Istanbul, 2012
6qk/1p5r/5PQ1/p6R/P1p3N1/1nN2PP1/1P1p3K/4r3 w - - 0 1
[ f7 if Qxg6 f8/Q+ Qg8 Rxh7+ ]

b)
Ilmars Starostits vs Marco Pacheco, Istanbul, 2012
5n1k/p2q1pp1/1ppn3p/3p1P1P/P2P2Q1/2PB4/2P2KP1/1RB4r w - - 0 1
[ Bxh6 ]

c)
Hussien Asabri vs Mark Paragua, Istanbul, 2012
3rrbk1/pp2qp2/3N2p1/8/Q3b1pP/1N4P1/PP3P2/3RR1K1 b - - 0 1
[ ...Bc6 if Rxe7 Bxa4 or if Qb4 Rxd6 ]

d)
Carlos Burgos Figueroa vs Anton Filippov, Istanbul, 2012
r3r1k1/p4pp1/2p2n1p/1p3b2/2pP1N2/8/PPP1NPPP/2RR2K1 b - - 0 1
[ ...g5 if Ng3 Bg4 ]

e)
Roberto Cecchetti vs Manuel Latorre, Istanbul, 2012
3r2k1/1p1rpp2/pn4pp/n7/P1p1P3/2P1N2P/1P1NKPP1/R2R4 b - - 0 1
[ ...Rxd2+ if Rxd2 Rxd2+ w/...Nb3+ ]

16e)
Roberto Cecchetti vs Manuel Latorre

Istanbul Olympiad Puzzles, Part XVII.
The color disk on the diagram indicates who moves first.
a)
Roman Ezov vs Axel Smith, Istanbul, 2012
r1bq1rk1/1p2np1p/p3p1p1/3p4/2PbPP2/2NBB3/PP2Q1PP/R4RK1 b - - 0 1
[ ...Bxe3+ Qxe3 d4 ]

b)
John Hasford vs Mindaugas Beinoras, Istanbul, 2012
1n2kbnr/Qbq2ppp/8/4p3/2pP4/4P3/PP2NPPP/R1B1K2R b KQk - 0 1
[ ...Na6 if 0-0 Ne7 Nc3 Nc8 Nb5 Qc6 or if Nc3 Ne7 Nb5 Qa5+ ]

c)
Githinji Hinga vs Dragan Kosic, Istanbul, 2012
r5k1/pp1n1ppp/2p1rnb1/3p4/qB1P4/P1PB3P/R1PN1PP1/3QR1K1 b - - 0 1
[ ...Bxd3 cxd3 Qxd1 Rxd1 a5 Bc5 b6 ]

d)
Jamal Adam vs Hatim Al Hadarani, Istanbul, 2012
r2q1rk1/p4pp1/4p2p/2n5/1Q1b4/3B1N2/PP3PPP/R4RK1 b - - 0 1
[ ...Bxf2+ if Rxf2 Nxd3 ]

e)
Kagan Aydincelebi vs Farai Mandiza, Istanbul, 2012
2r1r3/1bqn1pkp/p4npN/3p4/8/bPNBBP2/P1RQ2PP/5RK1 b - - 0 1
[ ...Rxe3 if Qxe3 Bc5 ]

17c)
Githinji Hinga vs Dragan Kosic

Istanbul Olympiad Puzzles, Part XVIII.
The color disk on the diagram indicates who moves first.
a)
Prachand Malakar vs Michael Steadman, Istanbul, 2012
r1b2rk1/bppq1pp1/p2p2np/3Pp3/1PP1Pn2/P4N1P/2B1NPP1/R1BQ1RK1 b - - 0 1
[ ...Nxg2 if Kxg2 Qxh3+ w/Qxf3 ]

b)
Franco Carlos Matamoros vs Lubomir Ftacnik, Istanbul, 2012
1rr3k1/1q2npb1/2b1p1pp/1nP5/1B5N/4P1P1/1NQ2PBP/1R3RK1 b - - 0 1
[ ...g5 if Bxc6 Nxc6 Ng2 Nxb4 ]

c)
Kun Arthas Qian vs Win Tun Han, Istanbul, 2012
3r4/pp3Nk1/1np3p1/8/2b2q2/1B3R2/PP1r2PP/2Q1R1K1 b - - 0 1
[ ...Rxg2+ Kxg2 Rd2+ if Qxd2 Qxd2+ ]

d)
Levente Vajda vs Davit Shengelia, Istanbul, 2012
3rr2k/p5pn/4B3/1P2Qpq1/P6R/6PP/5R2/6K1 b - - 0 1
[ ...Rxe6 if Qxe6 Qxg3+ ]

e)
Guillermo Vazquez vs Matej Sebenik, Istanbul, 2012
5rk1/ppq3N1/1n3rpB/3pP3/3Q4/1PP5/P5PK/R7 b - - 0 1
[ ...g5 if Bxg5 Rg6 ]

18b)
Franco Carlos Matamoros vs Lubomir Ftacnik

Istanbul Olympiad Puzzles, Part XIX.
The color disk on the diagram indicates who moves first.
a)
Renos Melas vs Patrick Kawuma, Istanbul, 2012
2r3rk/1p6/7b/2pPP2q/5N2/2N4b/PP5Q/R4R1K b - - 0 1
[ ...Bxf4 if Rxf4 Bg2+ mates ]

b)
Allan Munro vs Joan Fernandez Lopez, Istanbul, 2012
2kr1b1r/1pp2ppp/p1n2n2/8/1q1N2b1/4BNP1/PPP2PBP/R2Q1RK1 b - - 0 1
[ ...Nxd4 if Bxd4 c5 ]

c)
Mahfoud Oussedik vs Sam Collins, Istanbul, 2012
r5k1/p2q1pp1/1p6/1P1Q3p/8/1P4P1/4rP1P/R2R2K1 b - - 0 1
[ ...Re1+ ]

d)
William Alfaro vs Levente Vajda, Istanbul, 2012
4qrk1/6b1/pR1p3p/2pP4/2P1n3/P4N1P/2Q2BP1/6K1 b - - 0 1
[ ...Rxf3 if gxf3 Qg6+ ]

e)
Ryan Rhys Griffiths vs Evgeny Postny, Istanbul, 2012
8/4bpk1/pp4p1/1q1pP1P1/5P2/2Q5/PP1N3P/7K b - - 0 1
[ ...Bb4 if Qd4 Bxd2 Qxd2 Qf1# or if a4 Qxa4 Qb3 Qa1+ ]

19a)
Renos Melas vs Patrick Kawuma

Istanbul Olympiad Puzzles, Part XX.
The color disk on the diagram indicates who moves first.
a)
Bryan Lee vs G C Anurudda, Istanbul, 2012
2b2r1k/pp4p1/6q1/3Np3/1P2N1Pb/P3QP2/8/3R2K1 b - - 0 1
[ ...Bxg4 if fxg4 Qxg4+ w/Qxd1 or if Kh2 Bxf3 ]

b)
Zaheeruddeen Asefi vs Dashzegve Sharavdorj, Istanbul, 2012
6k1/p4p1p/4p1p1/3n2q1/2Q2P2/2P1P2P/P2r1PB1/2R3K1 b - - 0 1
[ ...Qxg2+ Kxg2 Nxe3+ ]

c)
David Smerdon vs Zhong Zhang, Istanbul, 2012
r3k3/ppq1bp1r/1n2p1p1/n2pP2p/2pP4/P1Pb1QPB/1P1N1PNP/R1B1R1K1 b q - 0 1
[ ...g5 g4 hxg4 Bxg4 f5 if exf6 Qxh2# ]

d)
Paul Garbett vs Joan Andreasen, Istanbul, 2012
6r1/p3b3/2p1k3/2P1p2p/1P2N1p1/P1PR1n1P/5P2/2B2K2 b - - 0 1
[ ...gxh3 Rxf3 h2 Rh3 Rg1+ ]

e)
Viresh Giasi vs Jimmy Izijk, Istanbul, 2012
r1bqkb1r/5ppp/p1pPp3/3n4/2B5/2N1B3/PPP2PPP/R2QK2R b KQkq - 0 1
[ ...Nxe3 if fxe3 Qh4+ ]

20e)
Viresh Giasi vs Jimmy Izijk

Istanbul Olympiad Puzzles, Part XXI.
The color disk on the diagram indicates who moves first.
a)
Rogvi Nielsen vs Zuhao Luke Li, Istanbul, 2012
5rk1/p1p4p/2p3pP/3p4/4bPq1/P1P1Q1P1/2P3N1/R5K1 b - - 0 1
[ ...Qh3 if Qf2 Rf5 ]

b)
Mohamed Ezat vs Milos Perunovic, Istanbul, 2012
8/5pk1/4pnp1/R5p1/Pp4P1/4P2P/KP1r1PBq/5Q2 b - - 0 1
[ ...Qc7 if Rb5 Qc3 ]

c)
Douglas Garcia vs Ruofan Li, Istanbul, 2012
b2r2k1/p4pp1/1p1qp2p/1B2N1b1/3P4/P2Q4/1P1N1P2/4R1K1 b - - 0 1
[ ...Bxd2 Qxd2 Qd5 ]

d)
Manish Hamal vs Pavel Vorobjov, Istanbul, 2012
1r4k1/p6p/1q2bppP/6b1/2pNP3/2Q2P2/PPB5/1K5R b - - 0 1
[ ...Bd2 ]

e)
Mark Machin-Rivera vs Fadi Eid, Istanbul, 2012
3q1rk1/p4ppp/1p2p3/n2nQ3/1b3P2/1P4P1/PBrN1PBP/1R3RK1 b - - 0 1
[ ...Bc3 if Bxc3 Nxc3 Be4 Ne2+ ]

21e)
Mark Machin-Rivera vs Fadi Eid

Istanbul Olympiad Puzzles, Part XXII.
The color disk on the diagram indicates who moves first.
a)
Bator Sambuev vs Sergei Zhigalko, Istanbul, 2012
b3rnk1/2r2ppp/p4b2/qp1BN3/3P4/1P3Q2/PB4PP/R4R1K b - - 0 1
[ ...Bxd5 Qxd5 Qd2 if Rab1 Rxe5 ]

b)
Craig Skehan vs Rogvi Nielsen, Istanbul, 2012
r2q1rk1/pb1n1pbp/1p4p1/4p3/3P4/2P2N1P/PP1NBRP1/R2Q2K1 b - - 0 1
[ ...e4 if Ne1 e3 ]

c)
Axel Smith vs Jure Skoberne, Istanbul, 2012
6k1/p4p1p/1p2b1p1/6Q1/3rP2P/1P3P2/Pq2B1P1/3R2K1 b - - 0 1
[ ...Rxd1+ Bxd1 Qd4+ ]

d)
A Samhouri vs M A Qureshi, Istanbul, 2012
8/5Qpk/1p2p2p/1r6/3q4/8/P4PPP/4R1K1 b - - 0 1
[ ...Rf5 if Qxe6 Qxf2+ ]

e)
Alexander Fier vs Vitaly Teterev, Istanbul, 2012
r1r3k1/1p2b1pp/pBq2pb1/3Rp2n/2P1N3/4QNP1/PP3P1P/2R3K1 b - - 0 1
[ ...Bxe4 Qxe4 Qxb6 ]

22c)
Axel Smith vs Jure Skoberne

Istanbul Olympiad Puzzles, Part XXIII.
The color disk on the diagram indicates who moves first.
a)
Yudai Iwasaki vs Boris Ferrufino, Istanbul, 2012
r6k/5pbp/p2p4/2qP4/5Q2/1BP2p2/PP4PP/4R2K b - - 0 1
[ ...Qf2 if Rg1 fxg2+ ]

b)
Duane Rowe vs Rodwell Makoto, Istanbul, 2012
3rrbk1/pbp2ppp/5n2/2p3P1/2P1NB2/PP3K2/2B2P1P/R3R3 b - - 0 1
[ ...Nxe4 if Rxe4 f5 or if Bxe4 Rd3+ ]

c)
Davit Shengelia vs Zbynek Hracek, Istanbul, 2012
3r2k1/p4ppp/1p2q3/3Pp3/4Q3/3KPB2/P2B4/8 b - - 0 1
[ ...f5 Qd4 e4+ Ke2 exf3+ ]

d)
Emil Sutovsky vs Loek Van Wely, Istanbul, 2012
2kr1b1r/pp2pppp/2p1bn2/q3P3/5PP1/2N2Q2/PPPB3P/R3KB1R b KQ - 0 1
[ ...Rxd2 if Kxd2 Bd5 or if exf6 Rxc2 fxg7 Bxg7 ]

e)
Isuru Alahakoon vs John Shaw, Istanbul, 2012
6k1/3r1p1p/1n4p1/1pq5/4B3/P1Q3P1/5P1P/2R3K1 b - - 0 1
[ ...Rd1+ ]

f)
Ezat Elbaba vs Rinat Dzhumabayev, Istanbul, 2012
r1br2k1/pp2b1pp/2n2p2/8/3N4/P1nQB1P1/1q1NPPBP/R3R1K1 b - - 0 1
[ ...Nxd4 Bxd4 Rxd4 if Qxd4 Nxe2+ ]

23f)
Ezat Elbaba vs Rinat Dzhumabayev


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