MESON Chess Problem Database
Problem Display
PID: 263645 (1r6/6Bq/1P1PPR2/1NR1N1p1/2P1kb1p/2pb1pP1/Qn1p1PP1/4nBK1 w - - 0 1)
Onkoud, Abdelaziz
Schweizerische Schachzeitung, 2010
#3
15 + 12
SOLUTION
- SOUND
- Sets
- 1...Rxb6
- 2.Qa8+
- 2...Rc6
- 3.Qxc6#
- 2...Rb7
- 3.Qxb7#
- 2...Rc6
- 2.Qa8+
- 1...Ra8
- 2.Qxa8#
- 1...Bxc4
- 2.Bd3+
- 2...Bxd3
- 3.Qd5#
- 2...Sexd3
- 3.gxf3#
- 2...Sbxd3
- 3.Qxc4#
- 2...Bxd3
- 2.Bd3+
- 1...Bxe5
- 2.Rf4+
- 2...Bxf4
- 3.Sxc3#
- 2...gxf4
- 3.Rxe5#
- 2...Bxf4
- 2.Rf4+
- 1...Sc2
- 2.gxf3#
- 1...Sd1
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...Sa4
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...Sxc4
- 2.Bxd3+
- 2...Sxd3
- 3.Qxc4#
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...g4
- 2.Rxf4#
- 1...Rxb6
- Tries
- 1.Sxd3?
- threat
- 2.Sxc3+
- 2...Kd4
- 3.Rxf4#
- 2...Kd4
- 2.Re5+
- 2...Bxe5
- 3.Sc5#
- 2...Bxe5
- 2.Rxf4+
- 2...gxf4
- 3.Sxc3#
- 3.Re5#
- 2...gxf4
- 2.Sxc3+
- 1...Qxg7
- 2.Re5+
- 2...Bxe5
- 3.Sc5#
- 2...Bxe5
- 2.Re5+
- 1...Bxg3
- 2.Sxc3+
- 2...Kd4
- 3.Rf4#
- 2...Kd4
- 2.Re5+
- 2...Bxe5
- 3.Sc5#
- 2...Bxe5
- 2.Rf4+
- 2...Bxf4
- 3.Sxc3#
- 2...gxf4
- 3.Sxc3#
- 3.Re5#
- 2...Bxf4
- 2.Sxc3+
- 1...Bxd6
- 2.Sxc3+
- 2...Kd4
- 3.Rf4#
- 2...Kd4
- 2.Sxd6+
- 2...Kd4
- 3.Rd5#
- 3.Rf4#
- 2...Kd4
- 2.Rd5
- threat
- 3.Sxc3#
- 3.Sxd6#
- 3.Rd4#
- 2...Be5
- 3.Sc5#
- 3.Rxe5#
- threat
- 2.Re5+
- 2...Bxe5
- 3.Sc5#
- 2...Bxe5
- 2.Rf4+
- 2...Bxf4
- 3.Sxc3#
- 2...gxf4
- 3.Sxc3#
- 3.Sxd6#
- 2...Bxf4
- 2.Sxc3+
- 1...Sxg2
- 2.Sxc3+
- 2...Kd4
- 3.Rxf4#
- 2...Kd4
- 2.Rd5
- threat
- 3.Sc5#
- 3.Sxc3#
- 3.Rd4#
- threat
- 2.Re5+
- 2...Bxe5
- 3.Sc5#
- 2...Bxe5
- 2.Rxf4+
- 2...Sxf4
- 3.Sxc3#
- 3.Re5#
- 2...gxf4
- 3.Sxc3#
- 3.Re5#
- 2...Sxf4
- 2.Sxc3+
- 1...Sexd3
- 2.Rxf4+
- 2...Sxf4
- 3.Sxc3#
- 3.Re5#
- 2...gxf4
- 3.Sxc3#
- 2...Sxf4
- 2.Rxf4+
- 1...Sbxd3
- 2.Rxf4+
- 2...Sxf4
- 3.Sxc3#
- 3.Re5#
- 2...gxf4
- 3.Sxc3#
- 2...Sxf4
- 2.Rxf4+
- 1...fxg2
- 2.Sxc3+
- 2...Kf3
- 3.Se5#
- 3.Be2#
- 2...Kd4
- 3.Rxf4#
- 2...Kf3
- 2.Re5+
- 2...Kf3
- 3.Be2#
- 2...Bxe5
- 3.Sc5#
- 2...Kf3
- 2.Sxc3+
- 1...d1S
- 2.Re5+
- 2...Bxe5
- 3.Sc5#
- 2...Bxe5
- 2.Rxf4+
- 2...gxf4
- 3.Re5#
- 2...gxf4
- 2.Re5+
- 1...Qh5
- 2.Sxc3+
- 2...Kd4
- 3.Rxf4#
- 2...Kd4
- 2.Re5+
- 2...Bxe5
- 3.Sc5#
- 2...Bxe5
- 2.Rxf4+
- 2...gxf4
- 3.Sxc3#
- 2...gxf4
- 2.Sxc3+
- 1...Rc8
- 2.Sxc3+
- 2...Kd4
- 3.Rxf4#
- 2...Kd4
- 2.Rxf4+
- 2...gxf4
- 3.Sxc3#
- 3.Re5#
- 2...gxf4
- 2.Sxc3+
- 1...Rf8
- 2.Sxc3+
- 2...Kd4
- 3.Rxf4#
- 2...Kd4
- 2.Re5+
- 2...Bxe5
- 3.Sc5#
- 2...Bxe5
- 2.Rxf4+
- 2...Rxf4
- 3.Sxc3#
- 3.Re5#
- 3.Qa8#
- 2...gxf4
- 3.Sxc3#
- 3.Re5#
- 2...Rxf4
- 2.Sxc3+
- 1...Sc2
- 2.Sxc3+
- 2...Kd4
- 3.Rxf4#
- 2...Kd4
- 2.Re5+
- 2...Bxe5
- 3.Sc5#
- 3.gxf3#
- 2...Bxe5
- 2.Rxf4+
- 2...gxf4
- 3.Sxc3#
- 3.Re5#
- 2...gxf4
- 2.Sxc3+
- 1...Sd1
- 2.Re5+
- 2...Bxe5
- 3.Sc5#
- 2...Bxe5
- 2.Rxf4+
- 2...gxf4
- 3.Re5#
- 2...gxf4
- 2.Re5+
- 1...Sa4
- 2.Rxf4+
- 2...gxf4
- 3.Re5#
- 2...gxf4
- 2.Rxf4+
- 1...c2
- 2.Sc3+
- 2...Kd4
- 3.Rxf4#
- 2...Kd4
- 2.Re5+
- 2...Bxe5
- 3.Sc5#
- 2...Bxe5
- 2.Rxf4+
- 2...gxf4
- 3.Sc3#
- 3.Re5#
- 2...gxf4
- 2.Sc3+
- 1...Qf5!
- threat
- 1.Bxd3+?
- 1...Sexd3
- 2.gxf3#
- 1...Sbxd3!
- 1...Sexd3
- 1.Rd5?
- threat
- 2.Sxc3#
- 1...Bxe5
- 2.Rf4+
- 2...Bxf4
- 3.Sxc3#
- 2...gxf4
- 3.Rxe5#
- 2...Bxf4
- 2.Rf4+
- 1...Sd1
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...Sa4
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...d1S!
- threat
- 1.Qb3?
- threat
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Bxc4
- 2.Bd3+
- 2...Bxd3
- 3.Qd5#
- 2...Sexd3
- 3.gxf3#
- 2...Sbxd3
- 3.Qxc4#
- 2...Bxd3
- 2.Bd3+
- 1...Bxe5
- 2.Rf4+
- 2...Bxf4
- 3.Sxc3#
- 2...gxf4
- 3.Rxe5#
- 2...Bxf4
- 2.Rf4+
- 1...Sd1
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...Sa4
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...c2
- 2.Sc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sc3+
- 1...d1S!
- threat
- 1.Qxb2?
- threat
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Sxc3+
- 1...Bxf1
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Bxe5
- 2.Rf4+
- 2...Bxf4
- 3.Sxc3#
- 2...gxf4
- 3.Rxe5#
- 2...Bxf4
- 2.Rf4+
- 1...cxb2
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...fxg2
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...d1Q
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...d1S
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...d1B
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...d1R
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Qh5
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Bb1
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Bc2
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Qxc2+
- 2...Sxc2
- 3.Bd3#
- 3.gxf3#
- 2...Sd3
- 3.Bxd3#
- 3.Qxd3#
- 3.gxf3#
- 2...Sxc2
- 2.Sxc3+
- 1...Be2
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Bxc4!
- threat
- 1.Qa3?
- threat
- 2.Sxc3+
- 2...Kd4
- 3.Sc6#
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Rxb6
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Qa8+
- 2...Rc6
- 3.Qxc6#
- 2...Rb7
- 3.Qxb7#
- 2...Rc6
- 2.Sxc3+
- 1...Bxf1
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Bxc4
- 2.Sxc3+
- 2...Kd4
- 3.Sc6#
- 2...Kd4
- 2.Sxc3+
- 1...Bxe5
- 2.Rf4+
- 2...Bxf4
- 3.Sxc3#
- 2...gxf4
- 3.Rxe5#
- 2...Bxf4
- 2.Rf4+
- 1...Sxg2
- 2.Sxc3+
- 2...Kd4
- 3.Sxf3#
- 3.Sc6#
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Rc8
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Be2
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Sd1
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...Sa4
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...c2
- 2.Sc3+
- 2...Kd4
- 3.Sc6#
- 3.Rd5#
- 2...Kd4
- 2.Sc3+
- 1...d1S!
- threat
- 1.Qa5?
- threat
- 2.Sxc3+
- 2...Kd4
- 3.Sc6#
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Rxb6
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Qa8+
- 2...Rc6
- 3.Qxc6#
- 2...Rb7
- 3.Qxb7#
- 2...Rc6
- 2.Sxc3+
- 1...Bxf1
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Bxc4
- 2.Sxc3+
- 2...Kd4
- 3.Sc6#
- 2...Kd4
- 2.Sxc3+
- 1...Bxe5
- 2.Rf4+
- 2...Bxf4
- 3.Sxc3#
- 2...gxf4
- 3.Rxe5#
- 2...Bxf4
- 2.Rf4+
- 1...Sxg2
- 2.Sxc3+
- 2...Kd4
- 3.Sxf3#
- 3.Sc6#
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Rc8
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Be2
- 2.Sxc3+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sxc3+
- 1...Sd1
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...Sa4
- 2.Bxd3+
- 2...Sxd3
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...c2
- 2.Sc3+
- 2...Kd4
- 3.Sc6#
- 3.Rd5#
- 2...Kd4
- 2.Sc3+
- 1...d1S!
- threat
- 1.Qa8+?
- 1...Rb7
- 2.Qxb7#
- 1...Rxa8!
- 1...Rb7
- 1.Sxd3?
- Keys
- 1.d7!
- threat
- 2.Sd6+
- 2...Kd4
- 3.Rd5#
- 2...Kd4
- 2.Sd6+
- 1...Rxb6
- 2.Qa8+
- 2...Rc6
- 3.Qxc6#
- 2...Rb7
- 3.Qxb7#
- 2...Rc6
- 2.Qa8+
- 1...Bxc4
- 2.Bd3+
- 2...Bxd3
- 3.Qd5#
- 2...Sexd3
- 3.gxf3#
- 2...Sbxd3
- 3.Qxc4#
- 2...Bxd3
- 2.Bd3+
- 1...Bxe5
- 2.Rf4+
- 2...Bxf4
- 3.Sxc3#
- 2...gxf4
- 3.Rxe5#
- 2...Bxf4
- 2.Rf4+
- 1...Sxc4
- 2.Bxd3+
- 2...Sxd3
- 3.Qxc4#
- 3.gxf3#
- 2...Sxd3
- 2.Bxd3+
- 1...c2
- 2.Qxb2
- threat
- 3.Sd6#
- 3.Qd4#
- 2...Bxe5
- 3.Rxe5#
- 3.Qxe5#
- threat
- 2.Qxb2
- threat
- 1.d7!
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