MESON Chess Problem Database
Problem Display
PID: 109352 (1n2N3/2bPQpr1/2p1pPPp/r1p1kPpR/4pNK1/3BB3/5P2/4R3 w - - 0 1)
Segers, Marcel
Torre & Cavallo - Scacco!, 2000
#2
13 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxc5#
- 1...Ra2
- 2.Qxc5#
- 1...Ra3
- 2.Qxc5#
- 1...Ra4
- 2.Qxc5#
- 1...Ra6
- 2.Qxc5#
- 1...Ra7
- 2.Qxc5#
- 1...Ra8
- 2.Qxc5#
- 1...Bb6
- 2.Qd6#
- 1...Bd6
- 2.Qxd6#
- 1...Bd8
- 2.Qd6#
- 1...exd3
- 2.Bxc5#
- 1...gxf4
- 2.fxe6#
- 1...fxg6
- 2.Qxe6#
- 1...Ra1
- Tries
- 1.Sxe6?
- threat
- 2.Sf4#
- 2.S6xc7#
- 1...Kd5
- 2.S6xc7#
- 1...fxe6
- 2.Qxe6#
- 1...Bb6
- 2.Sf4#
- 2.S6c7#
- 2.Qd6#
- 1...Bd6
- 2.Qxd6#
- 1...Bd8
- 2.Qd6#
- 1...fxg6!
- threat
- 1.Bc1?
- threat
- 2.Bb2#
- 2.Rxe4#
- 1...Kd4
- 2.Bb2#
- 1...Ra2
- 2.Rxe4#
- 2.Qxc5#
- 1...Ra3
- 2.Rxe4#
- 2.Qxc5#
- 1...Ra4
- 2.Qxc5#
- 1...Rb5
- 2.Rxe4#
- 1...e3
- 2.Bb2#
- 1...c4
- 2.Rxe4#
- 1...gxf4!
- threat
- 1.Bd2?
- threat
- 2.Bc3#
- 2.Rxe4#
- 1...Kd4
- 2.Rxe4#
- 1...Ra3
- 2.Rxe4#
- 2.Qxc5#
- 1...Ra4
- 2.Qxc5#
- 1...e3
- 2.Bc3#
- 1...gxf4!
- threat
- 1.Bd4+?
- 1...cxd4
- 2.Rxe4#
- 1...Kxd4!
- 1...cxd4
- 1.Bxc5?
- threat
- 2.Rxe4#
- 1...gxf4
- 2.fxe6#
- 1...e3
- 2.Rxe3#
- 1...Ra4!
- threat
- 1.fxe6?
- threat
- 2.exf7#
- 1...fxe6
- 2.Qxe6#
- 1...Bd6
- 2.Qxd6#
- 1...Bd8
- 2.Qd6#
- 1...fxg6!
- threat
- 1.fxg7?
- threat
- 2.Qf6#
- 1...exd3
- 2.Bxc5#
- 1...gxf4
- 2.f6#
- 1...Bd8
- 2.Qd6#
- 1...f6
- 2.Qxf6#
- 2.Qxe6#
- 1...Sxd7!
- threat
- 1.d8Q?
- threat
- 2.Qdxc7#
- 2.Qexc7#
- 1...Bxd8
- 2.Qd6#
- 1...exd3
- 2.Bc1#
- 2.Bd2#
- 2.Bd4#
- 2.Bxc5#
- 1...gxf4
- 2.Bxf4#
- 2.Qexc7#
- 2.fxe6#
- 1...fxg6
- 2.Qdxc7#
- 2.Qxe6#
- 1...Ra7
- 2.Qxc5#
- 1...Bb6
- 2.Qed6#
- 2.Qdd6#
- 1...Bd6
- 2.Qexd6#
- 2.Qdxd6#
- 1...Sd7
- 2.Qxc7#
- 1...Sa6!
- threat
- 1.d8B?
- threat
- 2.Bxc7#
- 2.Qxc7#
- 1...Bxd8
- 2.Qd6#
- 1...exd3
- 2.Bxc5#
- 1...gxf4
- 2.fxe6#
- 1...fxg6
- 2.Bxc7#
- 2.Qxe6#
- 1...Ra7
- 2.Qxc5#
- 1...Bb6
- 2.Qd6#
- 1...Bd6
- 2.Qxd6#
- 1...Sd7
- 2.Bxc7#
- 1...Sa6!
- threat
- 1.Sxe6?
- Keys
- 1.d8S!
- threat
- 2.Qxc7#
- 1...Bxd8
- 2.Qd6#
- 1...exd3
- 2.Bxc5#
- 1...gxf4
- 2.fxe6#
- 1...fxg6
- 2.Qxe6#
- 1...Ra7
- 2.Qxc5#
- 1...Bb6
- 2.Qd6#
- 1...Bd6
- 2.Qxd6#
- 1...Sa6
- 2.Sxc6#
- 1...Sd7
- 2.Sxc6#
- threat
- 1.d8S!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(b);N_GUARD::QAR2(L),XP(c)
- B(i);N_GUARD::QAB1(L)
- B(i);N_GUARD::QAB1(L),XB(i)
- P(a);OGATEB,XB(C)::R(A)+B(D),XP(c)
- P(e);P_PINP(J),XS(E)::R(H)+P(G),XP(g)
- P(j);N_GUARD,XP(J)::QAR1(L),XP(g)
- Tries
- Try
- S(E);XP(g)
- Threat
- DUALS(2)
- Vars
- K(d);P-FLIGHT::S(E),XB(i)
- P(j);OGATE,P_SPINP(j),XS(E)::QAR1(L),XP(j)
- B(i);N_GUARD::QAB1(L),XB(i)
- B(i);N_GUARD::QAB1(L)
- Refutation
- P(j);XP(J)
- Try
- B(D);N_PINP(g),P_PINP(a)
- Threat
- DUALS(2)
- Vars
- K(d);N_SPINP(a),S_FLIGHT::B(D)
- R(b);N_GUARD::QAR2(L),XP(c)
- R(b);::R1(A),XP(a)
- P(a);::B(D)
- P(c);::R1(A),XP(a)
- Refutation
- P(e);P_PINP(J),XS(E)
- Try
- B(D);N_PINP(g),P_PINP(a)
- Threat
- DUALS(2)
- Vars
- K(d);N_SPINP(a),S_FLIGHT::R1(A),XP(a)
- R(b);N_GUARD::QAR2(L),XP(c)
- P(a);::B(D)
- Refutation
- P(e);P_PINP(J),XS(E)
- Try
- B(D);CHECK,N_PINP(g),P_PINP(a)
- Vars
- P(c);XB(D)::R1(A),XP(a)
- Refutation
- K(d);N_SPINP(a),S_FLIGHT,XB(D)
- Try
- B(D);N_PINP(g),P_PINP(a),XP(c)
- Threat
- R1(A),XP(a)
- Vars
- P(e);P_PINP(J),XS(E)::R(H)+P(G),XP(g)
- P(a);OGATEB::R(A),XP(a)
- Refutation
- R(b);
- Try
- P(G);P_PINP(e),XP(g)
- Threat
- QAR(L)+P(G),XP(j)
- Vars
- P(j);OGATE,XP(G)::QAR1(L),XP(j)
- B(i);N_GUARD::QAB1(L),XB(i)
- B(i);N_GUARD::QAB1(L)
- Refutation
- P(j);XP(J)
- Try
- P(I);XR(k)
- Threat
- QAB1(L)
- Vars
- P(a);OGATEB,XB(C)::R(A)+B(D),XP(c)
- P(e);XS(E)::R(H)+P(G)
- B(i);N_GUARD::QAB1(L)
- Refutation
- S(l);XP(K)
- Try
- P(K);
- Threat
- DUALS(2)
- Vars
- B(i);N_GUARD,XQ(K)::QAB1(L)
- R(b);N_GUARD::QAR2(L),XP(c)
- S(l);::QAB(K),XB(i)
- Refutation
- S(l);
- Try
- P(K);
- Threat
- DUALS(2)
- Vars
- B(i);N_GUARD,XB(K)::QAB1(L)
- P(a);OGATEB,XB(C)::R(A)+B(D),XP(c)
- P(e);P_PINP(J),XS(E)::R(H)+P(G),XP(g)
- R(b);N_GUARD::QAR2(L),XP(c)
- B(i);N_GUARD::QAB1(L)
- B(i);N_GUARD::QAB1(L),XB(i)
- S(l);::B(K),XB(i)
- Refutation
- S(l);
- Try
- Actual
- P(K);
- Threat
- QAB(L),XB(i)
- Vars
- B(i);N_GUARD,XS(K)::QAB1(L)
- P(a);OGATEB,XB(C)::R(A)+B(D),XP(c)
- P(e);P_PINP(J),XS(E)::R(H)+P(G),XP(g)
- P(j);N_GUARD,XP(J)::QAR1(L),XP(g)
- R(b);N_GUARD::QAR2(L),XP(c)
- B(i);N_GUARD::QAB1(L)
- B(i);N_GUARD::QAB1(L),XB(i)
- S(l);N_GUARD::S(K),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).