MESON Chess Problem Database
Problem Display
PID: 8129 (8/P1bNp2B/2p3qp/1Q2Pnr1/4k1r1/1p4PN/1n1R2P1/2Kb1RB1 w - - 0 1)
Caillaud, Michel
1st Prize, Spisska Borovicka, 1995
#2
12 + 12
| 5417 | FIDE Album (1995-1997) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qh5
- 2.Rd4#
- 2.Qxc6#
- 1...Qf7
- 2.Rd4#
- 1...Qxh7
- 2.Qxc6#
- 1...Qe8
- 2.Rd4#
- 2.Qxc6#
- 1...Qe6
- 2.Rd4#
- 1...Qf6
- 2.Rd4#
- 1...Qg7
- 2.Rd4#
- 2.Qxc6#
- 1...Qg8
- 2.Rd4#
- 1...Rxg3
- 2.Rf4#
- 1...Rf4
- 2.Rxf4#
- 1...Bf3
- 2.gxf3#
- 1...Bxe5
- 2.Sc5#
- 2.Qxe5#
- 1...Bd6
- 2.Qxc6#
- 1...Sd3+
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Sxg3
- 2.Rd4#
- 2.Qxc6#
- 1...Sd4
- 2.Rxd4#
- 1...Sh4
- 2.Rd4#
- 2.Qxc6#
- 1...Sd6
- 2.Rd4#
- 2.Qxc6#
- 1...Sg7
- 2.Rd4#
- 2.Qxc6#
- 1...e6
- 2.Qxc6#
- 1...Qh5
- Tries
- 1.Sxg5+?
- 1...Qxg5
- 2.Qxc6#
- 1...Rxg5
- 2.Rf4#
- 1...hxg5!
- 1...Qxg5
- 1.Sf6+?
- 1...Qxf6
- 2.Rd4#
- 1...exf6!
- 1...Qxf6
- 1.Bc5?
- threat
- 2.Sf2#
- 1...Sd3+
- 2.Qxd3#
- 1...Rxg3
- 2.Rf4#
- 1...Sxg3
- 2.Qxc6#
- 1...Rf4
- 2.Rxf4#
- 1...Se3
- 2.Rd4#
- 1...Sh4
- 2.Qxc6#
- 1...Sd6
- 2.Qxc6#
- 1...Sg7
- 2.Qxc6#
- 1...Sd4!
- threat
- 1.Bxg6?
- threat
- 2.Rd4#
- 2.Qxc6#
- 1...Sd3+
- 2.Qxd3#
- 1...Bxe5
- 2.Sc5#
- 2.Qxc6#
- 2.Qxe5#
- 1...cxb5
- 2.Rd4#
- 2.a8Q#
- 2.a8B#
- 1...Bb6
- 2.Qxc6#
- 1...c5
- 2.Qc6#
- 2.Qb7#
- 2.a8Q#
- 2.a8B#
- 1...Rxg6!
- threat
- 1.Qe2+?
- 1...Se3
- 2.Qxe3#
- 1...Bxe2!
- 1...Se3
- 1.Qc4+?
- 1...Sd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sxc4!
- 1...Sd4
- 1.Qb4+?
- 1...Sd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sc4!
- 1...Sd4
- 1.Qc5?
- threat
- 2.Sf2#
- 1...Rxg3
- 2.Rf4#
- 1...Sxg3
- 2.Rd4#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc6#
- 1...Se3
- 2.Rd4#
- 2.Qxe3#
- 2.Qd4#
- 1...Rf4
- 2.Rxf4#
- 1...Sd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sh4
- 2.Rd4#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc6#
- 1...Sd6
- 2.Rd4#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc6#
- 1...Sg7
- 2.Rd4#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc6#
- 1...Sd3+!
- threat
- 1.Sxg5+?
- Keys
- 1.e6!
- threat
- 2.Qxc6#
- 1...Sd3+
- 2.Qxd3#
- 1...Qxe6
- 2.Rd4#
- 1...Sxg3
- 2.Rd4#
- 1...cxb5
- 2.a8Q#
- 2.a8B#
- 1...Se3
- 2.Sf2#
- 1...Sd4
- 2.Rxd4#
- 1...Sh4
- 2.Rd4#
- 1...Sd6
- 2.Rd4#
- 1...Sg7
- 2.Rd4#
- 1...c5
- 2.Qc6#
- 2.Qb7#
- 2.a8Q#
- 2.a8B#
- threat
- 1.e6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 10
- Sets
- Q(i);P_SPINS(f)::R1(D)
- Q(i);N_GUARD,XB(L)::QAB(H),XP(h)
- R(e);N_GUARD,XP(F)::R1(B)
- R(e);N_GUARD::R1(B),XR(e)
- B(a);OGATE::P(E),XB(a)
- B(k);S_CUTQ(i)::QAB(H),XP(h)
- S(b);CHECK,N_GUARD::QAB1(H),XS(b)
- S(b);N_GUARD::QAB1(H)
- S(f);N_GUARD,P_SPINQ(i)::R1(D),XS(f)
- P(l);S_CUTQ(i)::QAB(H),XP(h)
- Tries
- Try
- S(G);CHECK,XR(g)
- Vars
- Q(i);P_PINR(D),P_SPINS(f),XS(G)::QAB(H),XP(h)
- R(e);XS(G)::R1(B)
- Refutation
- P(j);XS(G)
- Try
- S(K);CHECK
- Vars
- Q(i);P_SPINS(f),XS(K)::R1(D)
- Refutation
- P(l);XS(K)
- Try
- B(C);
- Threat
- S(G)
- Vars
- S(b);CHECK,N_GUARD::QAB1(H),XS(b)
- R(e);N_GUARD,XP(F)::R1(B)
- S(f);P_SPINQ(i),XP(F)::QAB(H),XP(h)
- R(e);N_GUARD::R1(B),XR(e)
- S(f);N_GUARD,P_SPINQ(i),SBLOCK::R1(D)
- S(f);P_SPINQ(i)::QAB(H),XP(h)
- Refutation
- S(f);P_SPINQ(i)
- Try
- B(L);P_PINS(f),XQ(i)
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAB1(H),XS(b)
- B(k);::QAB(H),XP(h)
- Refutation
- R(g);N_SPINS(f),XB(L)
- Try
- Q(H);CHECK
- Vars
- S(f);N_GUARD,P_SPINQ(i),P_SPINS(f)::QAR1(H),XS(f)
- Refutation
- B(a);XQ(H)
- Try
- Q(H);CHECK
- Refutation
- S(b);XQ(H)
- Try
- Q(H);CHECK
- Refutation
- S(b);P_SPINS(b)
- Try
- Q(H);
- Threat
- S(G)
- Vars
- R(e);N_GUARD,XP(F)::R1(B)
- R(e);N_GUARD::R1(B),XR(e)
- Refutation
- S(b);CHECK
- Try
- Actual
- P(I);
- Threat
- QAB(H),XP(h)
- Vars
- S(b);CHECK,N_GUARD::QAB1(H),XS(b)
- Q(i);P_SPINS(f),XP(I)::R1(D)
- S(f);N_GUARD,P_SPINQ(i),XP(F)::R1(D)
- P(h);XQ(H)::P=Q
- S(f);P_SPINQ(i),SBLOCK::S(G)
- S(f);N_GUARD,P_SPINQ(i)::R1(D),XS(f)
- S(f);N_GUARD,P_SPINQ(i)::R1(D)
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).