MESON Chess Problem Database
Problem Display
PID: 186033 (2B5/p1R2p2/Pbpp2p1/3kP1Q1/NR5K/4P3/2P2n2/5N2 w - - 0 1)
Fox, Matthew
Sussex Chess Problem Fraternity, 1918
#2
11 + 8
| 15 | British Chess Magazine | 1918 |
SOLUTION
- SOUND
- Sets
- 1...Bxe3
- 2.Sxe3#
- 1...Bd4
- 2.Rxd4#
- 1...Ba5
- 2.Rd4#
- 1...Bc5
- 2.Sc3#
- 1...Bxc7
- 2.Rd4#
- 1...Sd1
- 2.e4#
- 1...Sh1
- 2.e4#
- 1...Sd3
- 2.e4#
- 1...Sh3
- 2.e4#
- 1...Se4
- 2.c4#
- 1...Sg4
- 2.e4#
- 1...c5
- 2.Sc3#
- 1...dxe5
- 2.Qd8#
- 1...f5
- 2.exf5 ep#
- 1...f6
- 2.exf6#
- 1...Bxe3
- Tries
- 1.Sd2?
- threat
- 2.c4#
- 1...dxe5
- 2.Qd8#
- 1...f5
- 2.exf5 ep#
- 1...Bxe3!
- threat
- 1.Sh2?
- 1...Bxc7
- 2.Rd4#
- 1...dxe5
- 2.Qd8#
- 1...Bd4
- 2.Rxd4#
- 1...f5
- 2.exf5 ep#
- 1...Ba5
- 2.Rd4#
- 1...Bc5
- 2.Sc3#
- 1...Sd1
- 2.e4#
- 1...Sh1
- 2.e4#
- 1...Sd3
- 2.e4#
- 1...Sh3
- 2.e4#
- 1...Se4
- 2.c4#
- 1...Sg4
- 2.e4#
- 1...c5
- 2.Sc3#
- 1...f6
- 2.exf6#
- 1...Bxe3!
- 1...Bxc7
- 1.Sg3?
- threat
- 2.c4#
- 1...dxe5
- 2.Qd8#
- 1...f5
- 2.exf5 ep#
- 1...Bxe3!
- threat
- 1.Bg4?
- 1...Bxe3
- 2.Sxe3#
- 1...Bxc7
- 2.Rd4#
- 1...dxe5
- 2.Rd7#
- 2.Qd8#
- 1...Bd4
- 2.Rxd4#
- 1...f5
- 2.exf5 ep#
- 1...Ba5
- 2.Rd4#
- 1...Bc5
- 2.Sc3#
- 1...Sd1
- 2.e4#
- 1...Sh1
- 2.e4#
- 1...Sd3
- 2.e4#
- 1...Sh3
- 2.e4#
- 1...Se4
- 2.c4#
- 1...c5
- 2.Sc3#
- 1...f6
- 2.exf6#
- 1...Sxg4!
- 1...Bxe3
- 1.Bd7?
- 1...Bxe3
- 2.Sxe3#
- 1...Bxc7
- 2.Rd4#
- 1...Bd4
- 2.Rxd4#
- 1...f5
- 2.exf5 ep#
- 1...Ba5
- 2.Rd4#
- 1...Bc5
- 2.Sc3#
- 1...Sd1
- 2.e4#
- 1...Sh1
- 2.e4#
- 1...Sd3
- 2.e4#
- 1...Sh3
- 2.e4#
- 1...Se4
- 2.c4#
- 1...Sg4
- 2.e4#
- 1...c5
- 2.Sc3#
- 1...f6
- 2.exf6#
- 1...dxe5!
- 1...Bxe3
- 1.Rf4?
- threat
- 2.c4#
- 1...dxe5
- 2.Qd8#
- 1...Bd4
- 2.Rxd4#
- 1...f5
- 2.exf5 ep#
- 1...Se4!
- threat
- 1.Qf6?
- threat
- 2.Qxd6#
- 1...Bxc7
- 2.Rd4#
- 1...dxe5
- 2.Rd7#
- 2.Qd8#
- 2.Qxc6#
- 1...Bd4
- 2.Rxd4#
- 1...Bc5
- 2.Sc3#
- 1...Se4
- 2.c4#
- 1...g5+!
- threat
- 1.Qe7?
- threat
- 2.Qxd6#
- 1...Bxc7
- 2.Rd4#
- 1...dxe5
- 2.Sc3#
- 2.Rd7#
- 2.Qd8#
- 2.Qd7#
- 1...Bd4
- 2.Rxd4#
- 1...Bc5
- 2.Sc3#
- 1...Se4
- 2.c4#
- 1...g5+!
- threat
- 1.Qg2+?
- 1...Se4
- 2.Qxe4#
- 1...Kxe5!
- 1...Se4
- 1.Sd2?
- Keys
- 1.Re7!
- 1...Bxe3
- 2.Sxe3#
- 1...dxe5
- 2.Qxe5#
- 1...Bd4
- 2.Rxd4#
- 1...c5
- 2.Bb7#
- 1...Ba5
- 2.Rd4#
- 1...Bc5
- 2.Sc3#
- 1...Bc7
- 2.Rd4#
- 1...Bd8
- 2.Rd4#
- 1...Sd1
- 2.Qg2#
- 2.e4#
- 1...Sh1
- 2.Qg2#
- 2.e4#
- 1...Sd3
- 2.Qg2#
- 2.e4#
- 1...Sh3
- 2.Qg2#
- 2.e4#
- 1...Se4
- 2.c4#
- 1...Sg4
- 2.e4#
- 1...f5
- 2.exf5 ep#
- 1...f6
- 2.Be6#
- 2.exf6#
- 1...Bxe3
- 1.Re7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- B(c);XP(C)::S(A),XB(c)
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD::R1(E)
- B(c);SBLOCK::S(D)
- B(c);N_GUARD,XR(J)::R1(E)
- S(a);N_GUARD::P(C)
- S(a);SBLOCK::P(B)
- P(d);::S(D)
- P(e);OGATEB,P_SPINP(e),SBLOCK,XP(G)::QAR(H)
- P(h);OGATE::QAR(H)+P(G),XP(h),EP
- P(h);OGATE::QAR(H)+P(G),XP(h)
- Tries
- Try
- S(A);
- Threat
- P(B)
- Vars
- P(e);OGATEB,P_SPINP(e),SBLOCK,XP(G)::QAR(H)
- P(h);OGATE::QAR(H)+P(G),XP(h),EP
- Refutation
- B(c);XP(C)
- Try
- S(A);
- Vars
- B(c);N_GUARD,XR(J)::R1(E)
- P(e);OGATEB,P_SPINP(e),SBLOCK,XP(G)::QAR(H)
- B(c);N_GUARD::R1(E),XB(c)
- P(h);OGATE::QAR(H)+P(G),XP(h),EP
- B(c);N_GUARD::R1(E)
- B(c);SBLOCK::S(D)
- S(a);N_GUARD::P(C)
- S(a);SBLOCK::P(B)
- P(d);::S(D)
- P(h);OGATE::QAR(H)+P(G),XP(h)
- Refutation
- B(c);XP(C)
- Try
- S(A);
- Threat
- P(B)
- Vars
- P(e);OGATEB,P_SPINP(e),SBLOCK,XP(G)::QAR(H)
- P(h);OGATE::QAR(H)+P(G),XP(h),EP
- Refutation
- B(c);XP(C)
- Try
- B(K);
- Vars
- B(c);XP(C)::S(A),XB(c)
- B(c);N_GUARD,XR(J)::R1(E)
- B(c);N_GUARD::R1(E),XB(c)
- P(h);OGATE::QAR(H)+P(G),XP(h),EP
- B(c);N_GUARD::R1(E)
- B(c);SBLOCK::S(D)
- S(a);N_GUARD::P(C)
- S(a);SBLOCK::P(B)
- P(d);::S(D)
- P(h);OGATE::QAR(H)+P(G),XP(h)
- Refutation
- S(a);XB(K)
- Try
- B(K);
- Vars
- B(c);XP(C)::S(A),XB(c)
- B(c);N_GUARD,XR(J)::R1(E)
- B(c);N_GUARD::R1(E),XB(c)
- P(h);OGATE::QAR(H)+P(G),XP(h),EP
- B(c);N_GUARD::R1(E)
- B(c);SBLOCK::S(D)
- S(a);N_GUARD::P(C)
- S(a);SBLOCK::P(B)
- P(d);::S(D)
- P(h);OGATE::QAR(H)+P(G),XP(h)
- Refutation
- P(e);P_SPINP(e),XP(G)
- Try
- R(E);
- Threat
- P(B)
- Vars
- P(e);OGATEB,P_SPINP(e),SBLOCK,XP(G)::QAR(H)
- B(c);N_GUARD::R1(E),XB(c)
- P(h);OGATE::QAR(H)+P(G),XP(h),EP
- Refutation
- S(a);
- Try
- Q(H);
- Threat
- QAR1(H),XP(e)
- Vars
- B(c);N_GUARD,XR(J)::R1(E)
- B(c);N_GUARD::R1(E),XB(c)
- B(c);SBLOCK::S(D)
- S(a);SBLOCK::P(B)
- Refutation
- P(f);CHECK
- Try
- Q(H);
- Threat
- QAR1(H),XP(e)
- Vars
- B(c);N_GUARD,XR(J)::R1(E)
- B(c);N_GUARD::R1(E),XB(c)
- B(c);SBLOCK::S(D)
- S(a);SBLOCK::P(B)
- Refutation
- P(f);CHECK
- Try
- Q(H);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(H),XS(a)
- Refutation
- K(b);P-FLIGHT,XP(G)
- Try
- Actual
- R(J);
- Vars
- B(c);XP(C)::S(A),XB(c)
- P(e);OGATE,P_SPINP(e),XP(G)::QAR1(H),XP(e)
- B(c);N_GUARD::R1(E),XB(c)
- P(d);OGATEB::B(K)
- B(c);N_GUARD::R1(E)
- B(c);SBLOCK::S(D)
- S(a);SBLOCK::P(B)
- S(a);N_GUARD::P(C)
- P(h);OGATE::QAR(H)+P(G),XP(h),EP
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).