MESON Chess Problem Database
Problem Display
PID: 137672 (8/2p1p1Q1/1NBbp2n/2pPPN1r/2RPk1p1/2P3Rn/2P4P/2B1K3 w - - 0 1)
Onkoud, Abdelaziz
Probleemblad, 2010
#2
14 + 10
SOLUTION
- SOUND
- Sets
- 1...Kxf5
- 2.Qh7#
- 1...Rxf5
- 2.dxc5#
- 2.dxe6#
- 1...Bxe5
- 2.Qxe5#
- 1...Sxf5
- 2.dxe6#
- 1...exf5
- 2.dxc5#
- 1...Kxf5
- Tries
- 1.Se3?
- threat
- 2.dxc5#
- 1...Kf4
- 2.dxc5#
- 1...Bxe5
- 2.dxe5#
- 1...cxd4
- 2.Rxd4#
- 1...Sf5!
- threat
- 1.Sh4?
- threat
- 2.dxc5#
- 2.dxe6#
- 1...Rxe5
- 2.dxc5#
- 2.dxe5#
- 1...Bxe5
- 2.dxe5#
- 2.dxe6#
- 2.d6#
- 1...cxd4
- 2.Rxd4#
- 2.dxe6#
- 1...exd5
- 2.Bxd5#
- 2.dxc5#
- 1...Sf4
- 2.Re3#
- 2.dxc5#
- 1...Sf5
- 2.dxe6#
- 1...Rxh4!
- threat
- 1.Sxh6?
- threat
- 2.dxc5#
- 2.dxe6#
- 1...Rxe5
- 2.dxc5#
- 2.dxe5#
- 1...Bxe5
- 2.dxe5#
- 2.dxe6#
- 2.d6#
- 1...cxd4
- 2.Rxd4#
- 2.dxe6#
- 1...exd5
- 2.Bxd5#
- 2.dxc5#
- 1...Sf4
- 2.Re3#
- 2.dxc5#
- 1...Rxh6!
- threat
- 1.Sxe7?
- threat
- 2.dxc5#
- 2.dxe6#
- 1...Rxe5
- 2.dxc5#
- 2.dxe5#
- 1...Bxe5
- 2.dxe5#
- 2.dxe6#
- 2.d6#
- 1...cxd4
- 2.Rxd4#
- 2.dxe6#
- 1...exd5
- 2.Bxd5#
- 2.dxc5#
- 1...Sf4
- 2.Re3#
- 2.dxc5#
- 1...Sf5
- 2.dxe6#
- 1...Bxe7!
- threat
- 1.Rf3?
- threat
- 2.dxe6#
- 1...Kxf3
- 2.dxe6#
- 1...gxf3
- 2.Sg3#
- 1...exd5
- 2.Bxd5#
- 1...Sf4
- 2.Rxf4#
- 1...exf5!
- threat
- 1.Rxg4+?
- 1...Kf3
- 2.dxe6#
- 1...Kxf5
- 2.Qg6#
- 1...Sf4
- 2.Rxf4#
- 1...Sxg4!
- 1...Kf3
- 1.Qf6?
- threat
- 2.dxc5#
- 2.dxe6#
- 1...Bxe5
- 2.Qxe5#
- 2.dxe5#
- 2.dxe6#
- 2.d6#
- 1...Sxf5
- 2.dxe6#
- 1...cxd4
- 2.Rxd4#
- 2.dxe6#
- 1...exd5
- 2.Bxd5#
- 2.dxc5#
- 1...exf5
- 2.dxc5#
- 1...Sf4
- 2.Re3#
- 2.dxc5#
- 1...exf6!
- threat
- 1.Qxg4+?
- 1...Sf4
- 2.Re3#
- 2.Qxf4#
- 2.dxe6#
- 1...Sxg4!
- 1...Sf4
- 1.Se3?
- Keys
- 1.Rd3!
- threat
- 2.Sg3#
- 1...Kxf5
- 2.Qh7#
- 1...Rxf5
- 2.dxc5#
- 2.dxe6#
- 1...Bxe5
- 2.Qxe5#
- 1...Sxf5
- 2.dxe6#
- 1...exf5
- 2.dxc5#
- 1...g3
- 2.Sxg3#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(b);OGATEB,S_FLIGHT,XS(K)::QAB(N)
- B(f);OGATE,XP(J)::QAR1(N),XB(f)
- S(h);SBLOCK,XS(K)::B(M)+P(I),XP(g)
- P(g);SBLOCK,XS(K)::R(G)+P(H),XP(d)
- Tries
- Try
- S(K);
- Threat
- R(G)+P(H),XP(d)
- Vars
- K(b);P-FLIGHT::R(G)+P(H),XP(d)
- B(f);OGATE,XP(J)::R(G)+P(H),XB(f)
- P(d);OGATE,P_SPINP(d),XP(H)::R1(G),XP(d)
- Refutation
- S(h);
- Try
- S(K);
- Threat
- DUALS(2)
- Vars
- S(h);::B(M)+P(I),XP(g)
- Refutation
- R(e);XS(K)
- Try
- S(K);XS(h)
- Threat
- DUALS(2)
- Refutation
- R(e);XS(K)
- Try
- S(K);XP(j)
- Threat
- DUALS(2)
- Vars
- S(h);::B(M)+P(I),XP(g)
- Refutation
- B(f);XS(K)
- Try
- R(F);
- Threat
- B(M)+P(I),XP(g)
- Vars
- K(b);S_FLIGHT,XR(F)::B(M)+P(I),XP(g)
- P(c);SBLOCK,XR(F)::S(K)
- P(g);OGATE,P_SPINP(g),XP(I)::B(M),XP(g)
- S(a);N_GUARD::R1(F),XS(a)
- Refutation
- P(g);XS(K)
- Try
- R(F);CHECK,XP(c)
- Vars
- K(b);S_FLIGHT::B(M)+P(I),XP(g)
- K(b);S_FLIGHT,XS(K)::QAB1(N)
- S(a);N_GUARD,P_SPINS(a)::R1(F),XS(a)
- Refutation
- S(h);XR(F)
- Try
- Q(N);
- Threat
- DUALS(2)
- Vars
- S(h);XS(K)::B(M)+P(I),XP(g)
- P(g);XS(K)::R(G)+P(H),XP(d)
- Refutation
- P(j);XQ(N)
- Try
- Q(N);CHECK,XP(c)
- Refutation
- S(h);XQ(N)
- Try
- Actual
- R(F);
- Threat
- S(K)
- Vars
- K(b);OGATEB,S_FLIGHT,XS(K)::QAB(N)
- B(f);OGATE,XP(J)::QAR1(N),XB(f)
- S(h);SBLOCK,XS(K)::B(M)+P(I),XP(g)
- P(g);SBLOCK,XS(K)::R(G)+P(H),XP(d)
- P(c);::S(K),XP(c)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).