Here are some chess puzzles from the games of Rogelio Antonio Jr.
White to move and win except where noted.

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


a)
White Mates in 7. Antonio vs Li Zunian, Jakarta, 1987
1r5k/1q3pbp/p2R1p2/4pN1Q/5r2/2P4P/5PP1/3R2K1 w - - 0 1
[ Rd8+ if Bf8 Qh6 ]

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

c)
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)
Antonio vs Daniel Summermatter, Biel, 1991
3q1rk1/1p1bbppp/r1n5/p2N4/P7/4BN2/1P2QPPP/R2R2K1 w - - 0 1
[ Bb6 ]

e)
Black to move and win. PDS Girinath vs Antonio, Penang, 1991
3rr1k1/pp3p2/1q4pb/3B3p/2Q1P1n1/6P1/PP4KP/R2NR3 b - - 0 1
[ ...Rxd5 Qxd5 Rd8 if Qc4 Rxd1or if Qb3 Rd2+ mates ]



Antonio Puzzles, Part II. White to move and win except where noted.
a)
Antonio vs Darryl Jahansen, Sydney, 1991
2k5/ppprr1pp/3n1p2/2RP1b2/8/3B2B1/qPQ2PPP/4R1K1 w - - 0 1
[ Rxe7 ]

b)
Black to move and win. Chuah Heng Meng vs Antonio, Kuala Lumpur, 1993
8/5k2/8/1pr1pp2/p1n3p1/P1PrN1P1/1P2RPK1/4R3 b - - 0 1
[ ...f4 ]

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

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

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

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2,817 Checkmates !

Antonio Puzzles, Part III. White to move and win except where noted.
a)
Antonio vs Gaurav Bakliwal, Calcutta, 1996
2r2r2/p4kp1/1np5/3pPB2/1b1P3q/7p/P3N2P/R1B3QK w - - 0 1
[ Qg6+ Kg8 Bg5 if Qh8 Be6+ mates ]

b)
Antonio vs Fernie Donguines, Manila, 2001
r3r1k1/p1pp1ppp/bp2nq2/4n3/1PP2N2/2P2PP1/P3B2P/R1BQR1K1 w - - 0 1
[ Nd5 if Qd8 b5 Bb7 f4 ]



c) White Mates in 4. Antonio vs Reggie Olay, Quezon City, 2001
2b3k1/r3q2p/4p1pB/p4r2/4N3/P1Q5/1P4PP/2R2R1K w - - 0 1

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

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

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

g)
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 ]

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