MESON Chess Problem Database
Problem Display
PID: 107916 (4R3/1K1Qnp2/3Bp3/5RPP/2N1k1pP/2r4n/2P1N3/1B6 w - - 0 1)
Clark, WA
1st Prize, Bristol Mercury, 1891
#2
12 + 7
| 14789 | Cheltenham Examiner | 1891 |
| 6490 | yacpdb | 2009 |
| 15239 | Valois Notebooks | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Rxc2
- 2.Bxc2#
- 1...Ra3
- 2.c3#
- 1...Rb3+
- 2.cxb3#
- 1...Rf3
- 2.Re5#
- 1...Sxf5
- 2.Qc6#
- 1...exf5
- 2.Qc6#
- 1...f6
- 2.Qxe6#
- 1...Rxc2
- Tries
- 1.Sxc3+?
- 1...Kxf5
- 2.Se3#
- 1...Kd4!
- 1...Kxf5
- 1.Sd2+?
- 1...Kxf5
- 2.Sd4#
- 1...Ke3!
- 1...Kxf5
- 1.Bh2?
- 1...Rb3+
- 2.cxb3#
- 1...Kxf5
- 2.Sd6#
- 1...Rxc2
- 2.Sg3#
- 2.Bxc2#
- 1...Rxc4
- 2.Qd3#
- 1...Sxg5
- 2.Rf4#
- 1...Sxf5
- 2.Qc6#
- 1...exf5
- 2.Qc6#
- 1...Sf4
- 2.Rxf4#
- 1...Ra3
- 2.c3#
- 1...Rd3
- 2.Qxd3#
- 1...Re3
- 2.Sd6#
- 1...Rf3
- 2.Re5#
- 1...Rg3
- 2.Sxg3#
- 1...Sg1
- 2.Rf4#
- 1...Sf2
- 2.Rf4#
- 1...Sd5
- 2.Qxd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...e5
- 2.Sxc3#
- 1...f6
- 2.Qxe6#
- 1...g3!
- 1...Rb3+
- 1.Bc5?
- threat
- 2.Sd6#
- 1...Rb3+
- 2.cxb3#
- 1...Rxc2
- 2.Sg3#
- 2.Bxc2#
- 1...Rxc4
- 2.Sg3#
- 2.Qd3#
- 2.c3#
- 1...Sxf5
- 2.Qc6#
- 1...exf5
- 2.Qc6#
- 1...Sf4
- 2.Rxf4#
- 1...Rd3
- 2.Qxd3#
- 1...Sc8
- 2.Qd5#
- 1...e5
- 2.Sxc3#
- 2.Sd2#
- 1...Kxf5!
- threat
- 1.Rf4+?
- 1...Kd5
- 2.Sxc3#
- 2.Sb6#
- 2.Ba3#
- 2.Bb4#
- 2.Bxe7#
- 2.Rd4#
- 2.Qb5#
- 1...Sxf4!
- 1...Kd5
- 1.Qb5?
- threat
- 2.Qe5#
- 1...Rxc2
- 2.Bxc2#
- 1...Sxf5
- 2.Qc6#
- 1...exf5
- 2.Qc6#
- 1...Sf4
- 2.Rxf4#
- 1...Sd5
- 2.Qxd5#
- 1...e5
- 2.Qxe5#
- 1...Rb3
- 2.cxb3#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...f6!
- threat
- 1.Qc6+?
- 1...Kxf5
- 2.Sd4#
- 1...Sd5
- 2.Qxd5#
- 1...Sxc6!
- 1...Kxf5
- 1.Sxc3+?
- Keys
- 1.Bg3!
- 1...Rb3+
- 2.cxb3#
- 1...Kxf5
- 2.Sd6#
- 1...Rxc2
- 2.Bxc2#
- 1...Rxg3
- 2.Sxg3#
- 1...Rxc4
- 2.Qd3#
- 1...Sxg5
- 2.Rf4#
- 1...Sxf5
- 2.Qc6#
- 1...exf5
- 2.Qc6#
- 1...Sf4
- 2.Rxf4#
- 1...Ra3
- 2.c3#
- 1...Rd3
- 2.Qxd3#
- 1...Re3
- 2.Sd6#
- 1...Rf3
- 2.Re5#
- 1...Sg1
- 2.Rf4#
- 1...Sf2
- 2.Rf4#
- 1...Sd5
- 2.Qxd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...e5
- 2.Sxc3#
- 1...f6
- 2.Qxe6#
- 1...Rb3+
- 1.Bg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 0
- Sets
- R(a);OGATE,P_SPINR(a),XP(B)::B(A),XR(a)
- R(a);OGATE::B(A)+P(B)
- R(a);CHECK,OGATE::B(A)+P(B),XR(a)
- R(a);SBLOCK::R1(F)
- S(f);N_GUARD,P_SPINP(e),SBLOCK,XR(F)::QAB(K)
- P(e);P_SPINS(f),SBLOCK,XR(F)::QAB(K)
- P(g);N_GUARD::QAR2(K),XP(e)
- Tries
- Try
- S(C);CHECK,XR(a)
- Vars
- K(c);P_SPINP(e),S_FLIGHT,XR(F)::S(D)
- Refutation
- K(c);P-FLIGHT
- Try
- S(D);CHECK
- Vars
- K(c);P_SPINP(e),S_FLIGHT,XR(F)::S(C)
- Refutation
- K(c);P-FLIGHT
- Try
- B(I);
- Vars
- R(a);CHECK,OGATE::B(A)+P(B),XR(a)
- K(c);P_SPINP(e),S_FLIGHT,XR(F)::S(D)
- R(a);N_GUARD,XS(D)::QAB1(K)
- S(b);N_GUARD,XP(G)::R1(F)
- S(f);N_GUARD,P_SPINP(e),SBLOCK,XR(F)::QAB(K)
- P(e);P_SPINS(f),SBLOCK,XR(F)::QAB(K)
- S(b);N_GUARD::R1(F),XS(b)
- R(a);OGATE::B(A)+P(B)
- R(a);N_GUARD::QAB1(K),XR(a)
- R(a);SBLOCK::S(D)
- R(a);SBLOCK::R1(F)
- R(a);N_GUARD::S(C),XR(a)
- S(b);N_GUARD::R1(F)
- S(f);N_GUARD,P_SPINP(e)::QAB1(K),XS(f)
- S(f);N_GUARD,P_SPINP(e)::QAB1(K)
- P(e);::S(C),XR(a)
- P(g);N_GUARD::QAR2(K),XP(e)
- Refutation
- P(d);
- Try
- B(I);
- Threat
- S(D)
- Vars
- R(a);CHECK,OGATE::B(A)+P(B),XR(a)
- S(f);N_GUARD,P_SPINP(e),SBLOCK,XR(F)::QAB(K)
- P(e);P_SPINS(f),SBLOCK,XR(F)::QAB(K)
- S(b);N_GUARD::R1(F),XS(b)
- R(a);N_GUARD::QAB1(K),XR(a)
- S(f);N_GUARD,P_SPINP(e)::QAB1(K)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT,XR(F)
- Try
- R(F);CHECK
- Refutation
- S(b);XR(F)
- Try
- Q(K);
- Threat
- QAR1(K)
- Vars
- R(a);OGATE,P_SPINR(a),XP(B)::B(A),XR(a)
- S(f);N_GUARD,P_SPINP(e),SBLOCK,XR(F)::QAB(K)
- P(e);P_SPINS(f),SBLOCK,XR(F)::QAB(K)
- S(b);N_GUARD::R1(F),XS(b)
- S(f);N_GUARD,P_SPINP(e)::QAB1(K),XS(f)
- P(e);::QAR1(K),XP(e)
- R(a);OGATE,P_PINQ(K)::B(A)+P(B),XR(a)
- S(f);N_GUARD,P_SPINP(e)::QAB1(K)
- Refutation
- P(g);
- Try
- Q(K);CHECK
- Vars
- K(c);S_FLIGHT,XR(F)::S(C)
- S(f);N_GUARD,P_SPINP(e),P_SPINS(f)::QAB1(K),XS(f)
- Refutation
- S(f);P_SPINP(e),XQ(K)
- Try
- Actual
- B(I);
- Vars
- R(a);CHECK,OGATE::B(A)+P(B),XR(a)
- K(c);P_SPINP(e),S_FLIGHT,XR(F)::S(D)
- R(a);OGATE,P_SPINR(a),XP(B)::B(A),XR(a)
- R(a);XB(I)::S(C),XR(a)
- R(a);N_GUARD,XS(D)::QAB1(K)
- S(b);N_GUARD,XP(G)::R1(F)
- S(f);N_GUARD,P_SPINP(e),SBLOCK,XR(F)::QAB(K)
- P(e);P_SPINS(f),SBLOCK,XR(F)::QAB(K)
- S(b);N_GUARD::R1(F),XS(b)
- R(a);OGATE::B(A)+P(B)
- R(a);N_GUARD::QAB1(K),XR(a)
- R(a);SBLOCK::S(D)
- R(a);SBLOCK::R1(F)
- S(b);N_GUARD::R1(F)
- S(f);N_GUARD,P_SPINP(e)::QAB1(K),XS(f)
- S(f);N_GUARD,P_SPINP(e)::QAB1(K)
- P(e);::S(C),XR(a)
- P(g);N_GUARD::QAR2(K),XP(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).