MESON Chess Problem Database
Problem Display
PID: 153573 (5b2/3Pr1N1/5PRn/2QPRp2/1N2Bkp1/K1P2p2/2Pr1PPP/8 w - - 0 1)
Guida, Marco
diagrammes, 2006
#2
15 + 8
| 15323 | FIDE Album (2004-2006) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Rxc2
- 2.Sd3#
- 1...Re2
- 2.Sd3#
- 1...Rxf2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rxe5
- 2.Qe3#
- 1...Rxc2
- Tries
- 1.Sc6?
- threat
- 2.Sh5#
- 2.Qe3#
- 2.g3#
- 1...Rxf2
- 2.Sh5#
- 2.g3#
- 1...Rxd7
- 2.Sh5#
- 2.Se6#
- 2.g3#
- 1...Rxg7
- 2.g3#
- 1...Bxg7
- 2.Qe3#
- 2.g3#
- 1...fxg2
- 2.Sh5#
- 2.Qe3#
- 1...Re2
- 2.Sh5#
- 2.g3#
- 1...Rd3
- 2.Sh5#
- 2.g3#
- 1...Rd4
- 2.Sh5#
- 2.g3#
- 1...Re6
- 2.Sh5#
- 2.Sxe6#
- 2.g3#
- 1...Rf7
- 2.Sh5#
- 2.Se6#
- 2.g3#
- 1...Re8
- 2.Sh5#
- 2.g3#
- 1...g3
- 2.Sh5#
- 2.Qe3#
- 2.fxg3#
- 2.hxg3#
- 1...Rxe5!
- threat
- 1.Bd3?
- threat
- 2.Qe3#
- 2.Qd4#
- 1...Kxe5
- 2.Qc7#
- 1...Rxd3
- 2.Sxd3#
- 1...Rxe5
- 2.Sh5#
- 2.g3#
- 1...fxg2
- 2.Qe3#
- 1...Re2!
- threat
- 1.Bxf5?
- threat
- 2.Qe3#
- 1...Kxe5
- 2.Qc7#
- 1...Rxe5
- 2.g3#
- 1...Re2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Qxd4#
- 1...Sxf5!
- threat
- 1.Rxf5+?
- 1...Kxe4
- 2.Qe3#
- 1...Sxf5!
- 1...Kxe4
- 1.Re6?
- threat
- 2.Sh5#
- 2.Qe3#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...Rxf2
- 2.Sd3#
- 2.Sh5#
- 2.g3#
- 1...Rxd5
- 2.Sxd5#
- 2.Sh5#
- 2.Qe3#
- 2.g3#
- 1...Rxd7
- 2.Sh5#
- 2.Qe3#
- 2.g3#
- 1...Rxg7
- 2.Qe3#
- 2.g3#
- 1...Bxg7
- 2.Qe3#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...fxg2
- 2.Sh5#
- 2.Qe3#
- 2.Qd6#
- 2.Qc7#
- 1...fxe4
- 2.Qe3#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...Re2
- 2.Sd3#
- 2.Sh5#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...Rd3
- 2.Sxd3#
- 2.Sh5#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...Rd4
- 2.Sh5#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...Rf7
- 2.Sh5#
- 2.Qe3#
- 2.g3#
- 1...Re8
- 2.Sh5#
- 2.Qe3#
- 2.g3#
- 1...Sf7
- 2.Sh5#
- 2.Qe3#
- 2.g3#
- 1...g3
- 2.Sh5#
- 2.Qe3#
- 2.Qd6#
- 2.Qc7#
- 2.fxg3#
- 2.hxg3#
- 1...Rxe6!
- threat
- 1.Rxe7?
- threat
- 2.Sh5#
- 2.Qe3#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...Rxf2
- 2.Sd3#
- 2.Sh5#
- 2.g3#
- 1...Rxd5
- 2.Sxd5#
- 2.Sh5#
- 2.Qe3#
- 2.g3#
- 1...Bxg7
- 2.Qe3#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...fxg2
- 2.Sh5#
- 2.Qe3#
- 2.Qd6#
- 2.Qc7#
- 1...fxe4
- 2.Qe3#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...Re2
- 2.Sd3#
- 2.Sh5#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...Rd3
- 2.Sxd3#
- 2.Sh5#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...Rd4
- 2.Sh5#
- 2.Qd6#
- 2.Qc7#
- 2.g3#
- 1...Sf7
- 2.Sh5#
- 2.Qe3#
- 2.g3#
- 1...g3
- 2.Sh5#
- 2.Qe3#
- 2.Qd6#
- 2.Qc7#
- 2.fxg3#
- 2.hxg3#
- 1...Bxe7!
- threat
- 1.Qd4?
- threat
- 2.Sh5#
- 2.Bd3#
- 2.g3#
- 1...Rxe5
- 2.Sh5#
- 2.Qe3#
- 2.g3#
- 1...Rxg7
- 2.Bd3#
- 2.g3#
- 1...Bxg7
- 2.Bd3#
- 2.g3#
- 1...fxg2
- 2.Sh5#
- 1...fxe4
- 2.Sh5#
- 2.Qxe4#
- 2.g3#
- 1...Re2
- 2.Sd3#
- 2.Sh5#
- 2.g3#
- 1...Rd3
- 2.Sxd3#
- 2.Sh5#
- 2.Bxd3#
- 2.g3#
- 1...g3
- 2.Sh5#
- 2.Bd3#
- 2.fxg3#
- 2.hxg3#
- 1...Rxd4!
- threat
- 1.d6?
- threat
- 2.Sh5#
- 2.g3#
- 1...Rxe5
- 2.Qe3#
- 1...Rxg7
- 2.g3#
- 1...Bxg7
- 2.g3#
- 1...fxg2
- 2.Sh5#
- 1...g3
- 2.Sh5#
- 2.fxg3#
- 2.hxg3#
- 1...Rd5!
- threat
- 1.Sc6?
- Keys
- 1.Bxf3!
- threat
- 2.Qe3#
- 1...Kxe5
- 2.Qc7#
- 1...Rxe5
- 2.Sh5#
- 1...Re2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Qxd4#
- threat
- 1.Bxf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD,XP(A)::S(G)
- R(a);N_GUARD::S(G)
- R(a);N_GUARD,XP(B)::S(G)
- R(a);N_GUARD,P_PINP(F)::S(G),XR(a)
- R(g);SBLOCK,XR(K)::QAB1(I)
- Tries
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- R(g);P_PINQ(I),XS(O)::P(C)
- Refutation
- R(g);P_PINQ(I),XR(K)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- K(c);OGATEB,S_FLIGHT,XR(K)::QAB(I)
- R(a);P_PINP(F),XB(H)::S(G),XR(a)
- P(b);XP(C)::QAB1(I)
- Refutation
- R(a);
- Try
- B(H);XP(e)
- Threat
- QAB1(I)
- Vars
- K(c);OGATEB,S_FLIGHT,XR(K)::QAB(I)
- R(g);SBLOCK,XR(K)::P(C)
- R(a);N_GUARD::S(G)
- R(a);N_GUARD,P_PINP(F)::S(G),XR(a)
- R(a);N_GUARD::QAR2(I),XR(a)
- Refutation
- S(f);XB(H)
- Try
- R(K);CHECK,XP(e)
- Vars
- K(c);P-FLIGHT,XB(H)::QAR1(I)
- Refutation
- S(f);XR(K)
- Try
- R(K);
- Threat
- DUALS(5)
- Refutation
- R(g);XR(K)
- Try
- R(K);XR(g)
- Threat
- DUALS(5)
- Refutation
- B(h);XR(K)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- P(b);XP(C)::S(O)
- Refutation
- R(a);XQ(I)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- R(g);SBLOCK,XR(K)::QAB1(I)
- R(g);XS(O)::P(C)
- B(h);XS(O)::P(C)
- P(b);XP(C)::S(O)
- Refutation
- R(a);
- Try
- Actual
- B(H);XP(b)
- Threat
- QAB1(I)
- Vars
- K(c);OGATEB,S_FLIGHT,XR(K)::QAB(I)
- R(g);SBLOCK,XR(K)::S(O)
- R(a);N_GUARD::S(G)
- R(a);N_GUARD,P_PINP(F)::S(G),XR(a)
- R(a);N_GUARD::QAR2(I),XR(a)
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).