## King-pawn Opening Series

### Here are some chess puzzles from the games of Rogelio Antonio Jr.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 7.
Rogelio Antonio vs Li Zunian, Jakarta, 1987
1r5k/1q3pbp/p2R1p2/4pN1Q/5r2/2P4P/5PP1/3R2K1 w - - 0 1
[ Rd8+ if Bf8 Qh6 Rxd8 Qg7+ Bxg7 Rxd8+ ]

b)
Rogelio Antonio vs Alexander Fauland, Bad Ragaz, 1989
6k1/1p3ppp/p4n2/3Np3/2brP3/4Q2P/qPR1BPP1/6K1 w - - 0 1
[ Ne7+ Kf8 Nf5 ]

c)
Rogelio Antonio vs B Rosenda, Kuala Lumpur, 1990
4r1k1/2pbqppp/2p5/p1n1b3/Pr1N4/1PN2Q2/1BP3PP/1K1RR3 w - - 0 1
[ Nxc6 Bxc6 Qxc6 w/Rd5 or Nd5 ]

d)
PDS Girinath vs Rogelio Antonio, Penang, 1991
3rr1k1/pp3p2/1q4pb/3B3p/2Q1P1n1/6P1/PP4KP/R2NR3 b - - 0 1
[ ...Rxd5 Qxd5 Rd8 if Qc4 Rxd1 Raxd1 Ne3+ or if Qb3 Rd2+ mates ]

e)
Rogelio Antonio vs Darryl Jahansen, Sydney, 1991
2k5/ppprr1pp/3n1p2/2RP1b2/8/3B2B1/qPQ2PPP/4R1K1 w - - 0 1
[ Rxe7 Rxe7 Bxf5+ ]

1a)
mate in 7
Rogelio Antonio vs Li Zunian

Rogelio Antonio Jr. puzzles, pt. ii.
The color disk on the diagram indicates who moves first.
a)
Chuah Heng Meng vs Rogelio Antonio, Kuala Lumpur, 1993
8/5k2/8/1pr1pp2/p1n3p1/P1PrN1P1/1P2RPK1/4R3 b - - 0 1
[ ...f4 ]

b)
Sudhakar Babu vs Rogelio Antonio, Calcutta, 1994
2b1r1k1/5p2/p2p1q2/2pPn1pp/P2bPn2/1QN1N1BP/1P3PP1/4RBK1 b - - 0 1
[ ...Nxh3+ if gxh3 Nf3+ ]

c)
Black mates in 7.
R Amarasinghe vs Rogelio Antonio, Singapore, 1995
2r3k1/5pp1/1R2p2p/p3N3/3P1nq1/1P6/P4PPP/5QK1 b - - 0 1
[ ...Rc1 if Nxg4 Ne2+ ]

d)
Black mates in 5.
Alexander Graf vs Rogelio Antonio, Singapore, 1995
3r2k1/pP1b1ppp/2p4q/QP1p4/3P1b1n/B2Br3/6PP/R1RN2K1 b - - 0 1
[ ...Nf3+ if Kf1 Nxh2+ or if Kf2 Qh4+ ]

e)
Rogelio Antonio vs Gaurav Bakliwal, Calcutta, 1996
2r2r2/p4kp1/1np5/3pPB2/1b1P3q/7p/P3N2P/R1B3QK w - - 0 1
[ Qg6+ Kg8 Bg5 if Qh8 Be6+ or if Qf2 Qh7+ Kf7 d6+ ]

3a)
mate in 4
Rogelio Antonio vs Reggie Olay

Rogelio Antonio Jr. puzzles, pt. iii.
The color disk on the diagram indicates who moves first.
a)
White mates in 4.
Rogelio Antonio vs Reggie Olay, Quezon City, 2001
2b3k1/r3q2p/4p1pB/p4r2/4N3/P1Q5/1P4PP/2R2R1K w - - 0 1
[ Qh8+ Kxh8 Rxc8+ ]

b)
Mark Paragua vs Rogelio Antonio, Ho Chi Minh City, 2003
6r1/4pp1k/3p2qp/1p1Pn1r1/4QR2/2P1N3/1P3PP1/R5K1 b - - 0 1
[ ...Qxe4 if Rxe4 Nf3+ Kf1 Nd2+ ]

c)
Black mates in 6.
Jonas Verheyden vs Rogelio Antonio, Leuven, 2003
2r3k1/5p1p/1Q6/5pp1/4P3/P5P1/1P1KR3/1q6 b - - 0 1
[ ...Rc2+ if Ke3 Qg1+ Kf3 Qh1+ Ke3 Qxe4+ ]

d)
Black mates in 4.
Lawrence Trent vs Rogelio Antonio, Internet, 2003
8/pp3pk1/2b2b2/8/2Q2P1r/2P1q2B/PP4PK/5R2 b - - 0 1
[ ...Rxh3+ if gxh3 Qd2+ ]

e)
Rogelio Antonio vs Dao Thien Hai, Kuala Lumpur, 2005
3rrnk1/1pqn1pbp/p2pp1pQ/8/2PNPP2/1PN2R2/PB4PP/3R3K w - - 0 1
[ Qxg7+ Kxg7 Nd5 if exd5 or Qc8 Nf5+ mates ]

3b)
Mark Paragua vs Rogelio Antonio

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