MESON Chess Problem Database
Problem Display
PID: 114166 (nQ6/1Rrkpp2/4b2R/3P4/4B1n1/BN1N4/8/1K6 w - - 0 1)
Stocchi, Ottavio
La Marseillaise, 1946
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxb7
- 2.Sc5#
- 1...Bxd5
- 2.Sbc5#
- 2.Sdc5#
- 1...Bf5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se5#
- 1...Sxh6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...f5
- 2.dxe6#
- 1...Rxb7
- Tries
- 1.Ka1?
- 1...Rxb7
- 2.Sbc5#
- 2.Sdc5#
- 1...Bxd5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sxh6
- 2.Se5#
- 1...Bf5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...f5
- 2.dxe6#
- 1...f6!
- 1...Rxb7
- 1.Ka2?
- 1...Rxb7
- 2.Sbc5#
- 2.Sdc5#
- 1...Bxd5
- 2.Sc5#
- 1...Sxh6
- 2.Se5#
- 1...Bf5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...f5
- 2.dxe6#
- 1...f6!
- 1...Rxb7
- 1.Kb2?
- 1...Rxb7
- 2.Sc5#
- 1...Bxd5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sxh6
- 2.Se5#
- 1...Bf5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...f5
- 2.dxe6#
- 1...f6!
- 1...Rxb7
- 1.Sd4?
- 1...Bxd5
- 2.Sc5#
- 1...Sxh6
- 2.Se5#
- 1...f6
- 2.dxe6#
- 1...Bf5
- 2.Sc5#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...f5
- 2.dxe6#
- 1...Rxb7+!
- 1...Bxd5
- 1.Bb4?
- 1...Rxb7
- 2.Sbc5#
- 2.Sdc5#
- 1...Bxd5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sxh6
- 2.Se5#
- 1...Bf5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...f5
- 2.dxe6#
- 1...f6!
- 1...Rxb7
- 1.Bh1?
- 1...Rxb7
- 2.Sc5#
- 1...Bxd5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sxh6
- 2.Se5#
- 1...Bf5
- 2.Sc5#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...f5
- 2.dxe6#
- 1...f6!
- 1...Rxb7
- 1.Bg2?
- 1...Rxb7
- 2.Sc5#
- 1...Bxd5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sxh6
- 2.Se5#
- 1...Bf5
- 2.Sc5#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...f5
- 2.dxe6#
- 1...f6!
- 1...Rxb7
- 1.Bf3?
- 1...Rxb7
- 2.Sc5#
- 1...Bxd5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sxh6
- 2.Se5#
- 1...Bf5
- 2.Sc5#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...f5
- 2.dxe6#
- 1...f6!
- 1...Rxb7
- 1.Rxe6?
- threat
- 2.Sbc5#
- 2.Sdc5#
- 2.Rxe7#
- 1...Rxb7
- 2.Sc5#
- 2.Rxe7#
- 1...fxe6!
- threat
- 1.Rf6?
- 1...Rxb7
- 2.Sc5#
- 1...Bxd5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sxf6
- 2.Se5#
- 1...Bf5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sh6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...exf6!
- 1...Rxb7
- 1.Rh8?
- threat
- 2.Rd8#
- 2.Qc8#
- 2.Qd8#
- 2.Qe8#
- 1...Rxb7
- 2.Sc5#
- 2.Rd8#
- 2.Qc8#
- 2.Qd8#
- 1...Sf6
- 2.Se5#
- 2.Rd8#
- 2.Qc8#
- 2.Qd8#
- 1...Sb6
- 2.Rxc7#
- 2.Rd8#
- 2.Qxc7#
- 2.Qd8#
- 2.Qe8#
- 1...Bxd5!
- threat
- 1.Ra7?
- 1...Rxa7
- 2.Sbc5#
- 2.Sdc5#
- 1...Bxd5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sxh6
- 2.Se5#
- 1...Rb7
- 2.Sc5#
- 1...Bf5
- 2.Sbc5#
- 2.Sdc5#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...f5
- 2.dxe6#
- 1...f6!
- 1...Rxa7
- 1.Qxc7+?
- 1...Ke8
- 2.Rh8#
- 2.Qxe7#
- 1...Sxc7!
- 1...Ke8
- 1.Ka1?
- Keys
- 1.Bf5!
- 1...Rxb7
- 2.Sc5#
- 1...Bxf5
- 2.Sc5#
- 1...Sxh6
- 2.Se5#
- 1...f6
- 2.Bxe6#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se5#
- 1...Sb6
- 2.Rxc7#
- 1...Rxb7
- 1.Bf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(c);N_SPINR(c),P_PINS(C),XR(H)::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(a);N_GUARD,XR(G)::S(D)
- S(g);N_GUARD::R1(H),XR(c)
- P(f);N_GUARD::P(F),XB(b)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(a);N_GUARD,XR(G)::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(g);N_GUARD::R1(H),XR(c)
- P(f);N_GUARD::P(F),XB(b)
- Refutation
- P(f);
- Try
- K(A);S_FLIGHT
- Vars
- B(b);P_PINS(C),XP(F)::S(D)
- S(a);N_GUARD,XR(G)::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(g);N_GUARD::R1(H),XR(c)
- P(f);N_GUARD::P(F),XB(b)
- Refutation
- P(f);
- Try
- K(A);P-FLIGHT
- Vars
- R(c);N_SPINR(c),P_PINS(C),XR(H)::S(D)
- S(a);N_GUARD,XR(G)::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(g);N_GUARD::R1(H),XR(c)
- P(f);N_GUARD::P(F),XB(b)
- Refutation
- P(f);
- Try
- S(C);
- Vars
- B(b);XP(F)::S(D)
- S(a);N_GUARD,XR(G)::S(D)
- P(f);N_GUARD::P(F),XB(b)
- B(b);::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(g);N_GUARD::R1(H),XR(c)
- Refutation
- R(c);CHECK,N_SPINR(c),XR(H)
- Try
- B(B);
- Vars
- S(a);N_GUARD,XR(G)::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(g);N_GUARD::R1(H),XR(c)
- P(f);N_GUARD::P(F),XB(b)
- Refutation
- P(f);
- Try
- B(E);
- Vars
- R(c);N_SPINR(c),P_PINS(C),XR(H)::S(D)
- S(a);N_GUARD,XR(G)::S(D)
- B(b);P_PINS(D)::S(C)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(g);N_GUARD::R1(H),XR(c)
- P(f);N_GUARD::P(F),XB(b)
- Refutation
- P(f);
- Try
- B(E);
- Vars
- R(c);N_SPINR(c),P_PINS(C),XR(H)::S(D)
- S(a);N_GUARD,XR(G)::S(D)
- B(b);P_PINS(D)::S(C)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(g);N_GUARD::R1(H),XR(c)
- P(f);N_GUARD::P(F),XB(b)
- Refutation
- P(f);
- Try
- B(E);
- Vars
- R(c);N_SPINR(c),P_PINS(C),XR(H)::S(D)
- S(a);N_GUARD,XR(G)::S(D)
- B(b);P_PINS(D)::S(C)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(g);N_GUARD::R1(H),XR(c)
- P(f);N_GUARD::P(F),XB(b)
- Refutation
- P(f);
- Try
- R(G);XB(b)
- Threat
- DUALS(3)
- Refutation
- P(f);XR(G)
- Try
- R(G);
- Vars
- R(c);N_SPINR(c),P_PINS(C),XR(H)::S(D)
- S(a);N_GUARD,XR(G)::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(g);N_GUARD::R1(H),XR(c)
- Refutation
- P(e);XR(G)
- Try
- R(G);
- Threat
- DUALS(4)
- Refutation
- B(b);XP(F)
- Try
- R(H);
- Vars
- S(a);N_GUARD,XR(G)::S(D)
- R(c);P_PINS(C)::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(g);N_GUARD::R1(H),XR(c)
- P(f);N_GUARD::P(F),XB(b)
- Refutation
- P(f);
- Try
- Q(I);CHECK,XR(c)
- Refutation
- S(g);P_SPINS(g),XQ(I)
- Try
- Actual
- B(E);P_PINB(b)
- Vars
- R(c);N_SPINR(c),P_PINS(C),XR(H)::S(D)
- B(b);N_SPINB(b),P_PINS(D),XB(E)::S(C)
- S(a);N_GUARD,XR(G)::S(D)
- P(f);N_GUARD::B(E),XB(b)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(g);N_GUARD::R1(H),XR(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).