MESON Chess Problem Database
Problem Display
PID: 18767 (3B1N2/3p2pn/1K4Qr/2n1R3/p2N1kbP/P2p1Pp1/5PP1/6R1 w - - 0 1)
Morse, Christopher Jeremy
Correspondence Chess, 1958
#2
12 + 10
| 6388 | ChessMoves | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Rxg6+
- 2.Sxg6#
- 1...Bf5
- 2.Rxf5#
- 1...Bh5
- 2.Rf5#
- 1...Be6
- 2.Qxg3#
- 1...Sb3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sa6
- 2.Re4#
- 1...Se6
- 2.Re4#
- 2.Qe4#
- 1...Sb7
- 2.Re4#
- 1...Sf6
- 2.Qg5#
- 1...Rxg6+
- Tries
- 1.Bc7?
- threat
- 2.Re4#
- 2.Rf5#
- 1...Rxg6+
- 2.Sxg6#
- 1...Bxf3
- 2.Re4#
- 2.fxg3#
- 1...gxf2
- 2.Re4#
- 2.g3#
- 1...Bf5
- 2.Re4#
- 2.Rxf5#
- 2.fxg3#
- 1...Se4
- 2.Rxe4#
- 2.Rf5#
- 1...d6!
- threat
- 1.Ree1?
- 1...Rxg6+
- 2.Sxg6#
- 1...Rxh4
- 2.Qd6#
- 1...Bxf3
- 2.fxg3#
- 1...Sxf8
- 2.Bg5#
- 1...gxf2
- 2.g3#
- 1...Se4
- 2.Rxe4#
- 1...Rh5
- 2.Qxg4#
- 1...Bh3
- 2.fxg3#
- 1...Bf5
- 2.fxg3#
- 1...Bh5
- 2.fxg3#
- 1...Be6
- 2.Qxg3#
- 2.fxg3#
- 1...Sb3
- 2.Re4#
- 1...Sa6
- 2.Re4#
- 1...Se6
- 2.Re4#
- 2.Qe4#
- 2.Qxg4#
- 1...Sb7
- 2.Re4#
- 1...Sg5
- 2.Bxg5#
- 1...Sf6
- 2.Qg5#
- 1...d5
- 2.Bc7#
- 1...d6
- 2.Qxg4#
- 1...d2!
- 1...Rxg6+
- 1.Qxh6+?
- 1...Sg5
- 2.Sg6#
- 2.Qxg5#
- 1...gxh6
- 2.Sg6#
- 1...g5
- 2.Sg6#
- 1...Kxe5!
- 1...Sg5
- 1.Bc7?
- Keys
- 1.Re8!
- 1...Rxg6+
- 2.Sxg6#
- 1...Rxh4
- 2.Qd6#
- 1...Bxf3
- 2.fxg3#
- 1...Sxf8
- 2.Bg5#
- 1...gxf2
- 2.g3#
- 1...Be6
- 2.Qxg3#
- 1...Se6
- 2.Qe4#
- 1...d2
- 2.Se2#
- 1...Rh5
- 2.Qxg4#
- 1...Bh3
- 2.fxg3#
- 1...Bf5
- 2.fxg3#
- 1...Bh5
- 2.fxg3#
- 1...Sb3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sa6
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sg5
- 2.Bxg5#
- 1...Sf6
- 2.Qg5#
- 1...d5
- 2.Bc7#
- 1...d6
- 2.Qxg4#
- 1...Rxg6+
- 1.Re8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- R(g);CHECK,XQ(J)::S(L),XR(g)
- B(e);N_GUARD::R1(H),XB(e)
- B(e);N_GUARD::R1(H)
- B(e);N_PINQ(J)::QAB1(J),XP(b)
- S(f);N_GUARD::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- S(j);N_PINQ(J)::QAB1(J)
- Tries
- Try
- B(K);
- Threat
- DUALS(2)
- Vars
- R(g);CHECK,XQ(J)::S(L),XR(g)
- Refutation
- P(h);N_PINQ(J)
- Try
- R(H);
- Vars
- R(g);CHECK,XQ(J)::S(L),XR(g)
- R(g);N_GUARD,N_PINQ(J),XP(G)::QAB(J)
- B(e);XP(E)::P(B),XP(b)
- S(j);N_GUARD,XS(L)::B(K)
- P(b);OGATE,XP(B)::P(C)
- S(f);N_GUARD::R1(H),XS(f)
- R(g);N_PINQ(J)::QAR1(J),XB(e)
- B(e);::P(B),XP(b)
- S(f);N_GUARD::R1(H)
- S(j);N_GUARD::B(K),XS(j)
- S(j);N_PINQ(J)::QAB1(J)
- P(h);N_GUARD::B(K)
- P(h);N_PINQ(J)::QAR1(J),XB(e)
- Refutation
- P(a);
- Try
- Q(J);CHECK,N_SPINQ(J),XR(g)
- Vars
- P(i);XQ(J)::S(L)
- P(i);P_SPINP(i)::S(L)
- Refutation
- K(d);S_FLIGHT,XR(H)
- Try
- Actual
- R(H);
- Vars
- R(g);CHECK,XQ(J)::S(L),XR(g)
- R(g);N_GUARD,N_PINQ(J),XP(G)::QAB(J)
- B(e);XP(E)::P(B),XP(b)
- S(j);N_GUARD,XS(L)::B(K)
- P(b);OGATE,XP(B)::P(C)
- B(e);N_PINQ(J)::QAB1(J),XP(b)
- S(f);N_PINQ(J)::QAR1(J)
- P(a);N_GUARD::S(F)
- R(g);N_PINQ(J)::QAR1(J),XB(e)
- B(e);::P(B),XP(b)
- S(f);N_GUARD::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- S(j);N_GUARD::B(K),XS(j)
- S(j);N_PINQ(J)::QAB1(J)
- P(h);N_GUARD::B(K)
- P(h);N_PINQ(J)::QAR1(J),XB(e)
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).