MESON Chess Problem Database
Problem Display
PID: 137559 (8/pN1B4/n2Np2p/1ppk2bQ/1PR2P2/2P2P2/3K4/3n4 w - - 0 1)
Evans, TC
The Field, 1928
(First published on Thu Nov 8 1928)
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Sxb4
- 2.Rxc5#
- 1...Sc7
- 2.Rxc5#
- 1...Sb8
- 2.Rxc5#
- 1...cxb4
- 2.Bc6#
- 2.Rd4#
- 1...e5
- 2.Qf7#
- 1...Sxb4
- Tries
- 1.Kxd1?
- 1...Sxb4
- 2.Rxc5#
- 1...cxb4
- 2.Bc6#
- 2.Rd4#
- 1...Sc7
- 2.Rxc5#
- 1...Sb8
- 2.Rxc5#
- 1...e5
- 2.Qf7#
- 1...bxc4!
- 1...Sxb4
- 1.Bxe6+?
- 1...Kxe6
- 2.Qf7#
- 1...Kc6!
- 1...Kxe6
- 1.Re4?
- threat
- 2.Re5#
- 1...e5
- 2.Rxe5#
- 2.Qf7#
- 1...Sxc3!
- threat
- 1.Qg4?
- threat
- 2.Qxe6#
- 1...Sc7
- 2.Rxc5#
- 1...e5
- 2.Qe6#
- 1...Bxf4+!
- threat
- 1.Qg6?
- threat
- 2.Qd3#
- 2.Qe4#
- 2.Qxe6#
- 1...Sxc3
- 2.Qd3#
- 2.Qxe6#
- 1...Sxb4
- 2.Rxc5#
- 2.Qe4#
- 2.Qxe6#
- 1...bxc4
- 2.Qe4#
- 2.Qxe6#
- 1...Sb2
- 2.Qe4#
- 2.Qxe6#
- 1...Bf6
- 2.Qe4#
- 1...Sf2
- 2.Qxe6#
- 1...Sc7
- 2.Rxc5#
- 2.Qd3#
- 2.Qe4#
- 1...e5
- 2.Qd3#
- 2.Qe4#
- 2.Qf7#
- 2.Qe6#
- 2.Qg8#
- 1...Bxf4+!
- threat
- 1.Qf7?
- threat
- 2.Qxe6#
- 1...Sc7
- 2.Rxc5#
- 1...Bxf4+!
- threat
- 1.Qe8?
- threat
- 2.Bc6#
- 2.Bxe6#
- 2.Qxe6#
- 1...Sxb4
- 2.Bxe6#
- 2.Rxc5#
- 2.Qxe6#
- 1...Be7
- 2.Bc6#
- 1...Sc7
- 2.Bc6#
- 2.Rxc5#
- 1...Sb8
- 2.Bxe6#
- 2.Rxc5#
- 2.Qxe6#
- 1...e5
- 2.Bc6#
- 2.Be6#
- 2.Qf7#
- 2.Qxe5#
- 2.Qe6#
- 2.Qg8#
- 1...Bxf4+!
- threat
- 1.Qh3?
- threat
- 2.Qxe6#
- 1...Sc7
- 2.Rxc5#
- 1...e5
- 2.Qe6#
- 1...Bxf4+!
- threat
- 1.Qxg5+?
- 1...e5
- 2.Qxe5#
- 2.Qg8#
- 1...hxg5!
- 1...e5
- 1.Kxd1?
- Keys
- 1.Sf5!
- 1...Bxf4+
- 2.Se3#
- 1...Kxc4
- 2.Bxe6#
- 1...Sxc3
- 2.Se3#
- 1...Sxb4
- 2.Rxc5#
- 1...bxc4
- 2.Se7#
- 1...cxb4
- 2.Rd4#
- 1...exf5
- 2.Qf7#
- 1...Bh4
- 2.Se3#
- 1...Bf6
- 2.Se3#
- 1...Be7
- 2.Se3#
- 1...Bd8
- 2.Se3#
- 1...Sb2
- 2.Se3#
- 1...Sf2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sc7
- 2.Rxc5#
- 1...Sb8
- 2.Rxc5#
- 1...e5
- 2.Qf7#
- 1...Bxf4+
- 1.Sf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 0
- Sets
- S(f);N_GUARD,XP(D)::R1(E),XP(c)
- S(f);N_GUARD::R1(E),XP(c)
- P(g);N_SPINB(e),OGATEB::QAB(G)
- Tries
- Try
- K(A);N_SPINP(F),P-FLIGHT,XS(a)
- Vars
- S(f);N_GUARD,XP(D)::R1(E),XP(c)
- S(f);N_GUARD::R1(E),XP(c)
- P(g);N_SPINB(e),OGATEB::QAB(G)
- Refutation
- P(b);XR(E)
- Try
- B(J);CHECK,XP(g)
- Vars
- K(d);N_SPINB(e),S_FLIGHT,XB(J)::QAB1(G)
- Refutation
- K(d);N_SPINB(e),P_SPINP(c),S_FLIGHT
- Try
- R(E);
- Threat
- R1(E)
- Refutation
- S(a);XP(B)
- Try
- Q(G);N_PINB(e)
- Threat
- QAB1(G),XP(g)
- Vars
- S(f);N_GUARD::R1(E),XP(c)
- P(g);::QAB1(G)
- Refutation
- B(e);CHECK,XP(F)
- Try
- Q(G);N_PINB(e)
- Threat
- DUALS(3)
- Vars
- B(e);N_PINP(F)::QAB1(G)
- S(a);::QAB1(G),XP(g)
- Refutation
- B(e);CHECK,XP(F)
- Try
- Q(G);N_PINB(e),P_PINP(g)
- Threat
- QAB1(G),XP(g)
- Vars
- S(f);N_GUARD::R1(E),XP(c)
- Refutation
- B(e);CHECK,XP(F)
- Try
- Q(G);N_PINB(e)
- Threat
- DUALS(3)
- Vars
- B(e);N_PINP(F)::B(J)
- Refutation
- B(e);CHECK,XP(F)
- Try
- Q(G);N_PINB(e)
- Threat
- QAB1(G),XP(g)
- Vars
- S(f);N_GUARD::R1(E),XP(c)
- P(g);::QAB1(G)
- Refutation
- B(e);CHECK,XP(F)
- Try
- Q(G);CHECK,N_SPINP(F),XB(e)
- Refutation
- P(h);XQ(G)
- Try
- Actual
- S(H);N_PINB(e)
- Vars
- B(e);CHECK,XP(F)::QAR(G)+S(H),DCHECK
- K(d);S_FLIGHT,XR(E)::B(J),XP(g)
- S(a);N_GUARD,XP(B)::S(H)
- S(f);N_GUARD,XP(D)::R1(E),XP(c)
- P(b);SBLOCK,XR(E)::S(H)
- P(c);N_GUARD,XP(D)::R1(E)
- P(g);OGATEB,XS(H)::QAB(G)
- B(e);N_PINP(F)::QAR(G)+S(H),DCHECK
- S(a);N_GUARD::S(H)
- S(a);N_GUARD,N_PINP(F)::S(H),XS(a)
- S(f);N_GUARD::R1(E),XP(c)
- P(g);OGATEB::QAB(G)
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).