MESON Chess Problem Database
Problem Display
PID: 101626 (3Q3b/1pp5/4p2p/1RPNk3/3Np3/1nB1K2b/Br1P4/8 w - - 0 1)
Guida, Marco
diagrammes, 2003
#2
9 + 10
| 3486 | French Solving Championship | 2003 |
| 14639 | Promotion | 2004 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf5
- 2.Sxb3#
- 2.Sf3#
- 2.Sc6#
- 1...Sa1
- 2.Qxc7#
- 2.Qxh8#
- 1...Sc1
- 2.Qxc7#
- 2.Qxh8#
- 1...Sxd2
- 2.Qxc7#
- 2.Qxh8#
- 1...Sa5
- 2.Qxc7#
- 2.Qxh8#
- 1...Sxc5
- 2.Qxc7#
- 1...exd5
- 2.Qxh8#
- 1...c6
- 2.Qd6#
- 1...Bf5
- Tries
- 1.Sb4?
- threat
- 2.Qxh8#
- 1...Sxd4
- 2.c6#
- 1...Sxc5
- 2.Rxc5#
- 1...Bf6
- 2.Qxc7#
- 1...Bg7!
- threat
- 1.Sf4?
- threat
- 2.Sg6#
- 2.Qxh8#
- 1...Sxc5
- 2.Sg6#
- 2.Rxc5#
- 1...Bf5
- 2.Sxb3#
- 2.Sf3#
- 2.Sc6#
- 2.Qxh8#
- 1...Bf6
- 2.Sg6#
- 2.Qxc7#
- 1...Bg7
- 2.Sg6#
- 1...Sxd4!
- threat
- 1.Se7?
- threat
- 2.Sxb3#
- 2.Sf3#
- 2.Sdc6#
- 2.Sg6#
- 2.Qxh8#
- 1...Rxd2
- 2.Sf3#
- 2.Sdc6#
- 2.Sg6#
- 2.Qxh8#
- 1...Sxd2
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sdf5#
- 2.Sdc6#
- 2.Sxe6#
- 2.Sg6#
- 2.Qxh8#
- 1...Sxd4
- 2.Bxd4#
- 2.Qxd4#
- 2.Qxh8#
- 1...Sxc5
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sdf5#
- 2.Sdc6#
- 2.Sxe6#
- 2.Sg6#
- 1...Rc2
- 2.Sf3#
- 2.Sdc6#
- 2.Sg6#
- 2.Qxh8#
- 1...Bf5
- 2.Sxb3#
- 2.Sf3#
- 2.Sdc6#
- 2.Qxh8#
- 1...Bf6
- 2.Sxb3#
- 2.Sf3#
- 2.Sdc6#
- 2.Sg6#
- 2.Qxc7#
- 1...Bg7
- 2.Sxb3#
- 2.Sf3#
- 2.Sdc6#
- 2.Sg6#
- 1...Sa1
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sdf5#
- 2.Sdc6#
- 2.Sxe6#
- 2.Sg6#
- 2.Qxh8#
- 1...Sc1
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sdf5#
- 2.Sdc6#
- 2.Sxe6#
- 2.Sg6#
- 2.Qxh8#
- 1...Sa5
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sdf5#
- 2.Sdc6#
- 2.Sxe6#
- 2.Sg6#
- 2.Qxh8#
- 1...c6
- 2.Sxb3#
- 2.Sf3#
- 2.Sdxc6#
- 2.Sg6#
- 2.Qxh8#
- 1...Kf6!
- threat
- 1.Bxb3?
- threat
- 2.Qxc7#
- 2.Qxh8#
- 1...exd5
- 2.Qxh8#
- 1...Bf6
- 2.Qxf6#
- 2.Qxc7#
- 1...Bg7
- 2.Qxc7#
- 1...c6
- 2.Qc7#
- 2.Qd6#
- 2.Qb8#
- 2.Qxh8#
- 1...Rxb3!
- threat
- 1.Sb4?
- Keys
- 1.c6!
- threat
- 2.Qxc7#
- 1...Sxd4
- 2.Sb4#
- 1...exd5
- 2.Rxd5#
- threat
- 1.c6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- S(b);XP(G)::QAB(I),XP(i)
- P(f);SBLOCK,XS(H)::QAB(I),XB(j)
- P(i);N_GUARD::QAB1(I)
- Tries
- Try
- S(H);
- Threat
- QAB(I),XB(j)
- Vars
- S(b);N_GUARD,P_SPINS(b),XS(E)::R(F)+P(G)
- S(b);OGATE,P_SPINS(b),XP(G)::R(F),XS(b)
- B(j);SBLOCK::QAB(I),XP(i)
- Refutation
- B(j);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- B(j);::S(H)
- Refutation
- S(b);P_SPINS(b),XS(E)
- Try
- S(H);
- Threat
- DUALS(5)
- Refutation
- K(e);S_FLIGHT
- Try
- B(A);XS(b)
- Threat
- DUALS(2)
- Vars
- P(f);XS(H)::QAB(I),XB(j)
- B(j);::QAB(I),XP(i)
- Refutation
- R(a);P_PINB(C),XB(A)
- Try
- Actual
- P(G);
- Threat
- QAB(I),XP(i)
- Vars
- S(b);N_GUARD,P_SPINS(b),XS(E)::R(F)+S(H)
- P(f);OGATE,P_SPINP(f),XS(H)::R1(F),XP(f)
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).