MESON Chess Problem Database
Problem Display
PID: 54324 (4r3/p6p/1B4nK/2P1R1N1/3k1pP1/1Bpp3R/3p4/Q6b w - - 0 1)
Foster, Geoffrey R
The Problemist, 2004
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Kxe5
- 2.Qxc3#
- 1...Rxe5
- 2.Qa4#
- 1...Bf3
- 2.Sxf3#
- 1...Bd5
- 2.Rxd5#
- 1...Sxe5
- 2.Qg1#
- 1...Kxe5
- Tries
- 1.Sf7?
- threat
- 2.Qg1#
- 2.Qa4#
- 1...Rxe5
- 2.Qa4#
- 1...d1Q
- 2.Qa4#
- 1...d1S
- 2.Qa4#
- 1...d1B
- 2.Qa4#
- 1...d1R
- 2.Qa4#
- 1...Bd5
- 2.Qg1#
- 1...Bc6
- 2.Qg1#
- 1...f3
- 2.Qa4#
- 1...Sxe5!
- threat
- 1.Ba5?
- threat
- 2.Bxc3#
- 2.Qxc3#
- 1...Kxe5
- 2.Bxc3#
- 2.Qxc3#
- 1...Rxe5
- 2.Qxc3#
- 1...Sxe5
- 2.Qxc3#
- 2.Qg1#
- 1...Bd5
- 2.Rxd5#
- 2.Qxc3#
- 1...d1S!
- threat
- 1.Bc7?
- threat
- 2.Qg1#
- 2.Qa4#
- 1...Sxe5
- 2.Qg1#
- 1...Bd5
- 2.Rxd5#
- 2.Qg1#
- 1...d1Q
- 2.Qa4#
- 1...d1S
- 2.Qa4#
- 1...d1B
- 2.Qa4#
- 1...d1R
- 2.Qa4#
- 1...Rb8
- 2.Se6#
- 2.Qg1#
- 1...Bc6
- 2.Qg1#
- 1...f3
- 2.Qa4#
- 1...Rxe5!
- threat
- 1.Rxd3+?
- 1...Kxe5
- 2.Qxc3#
- 1...Kxd3!
- 1...Kxe5
- 1.Re6?
- threat
- 2.Qg1#
- 2.Qa4#
- 1...axb6
- 2.Qg1#
- 1...d1Q
- 2.Qa4#
- 1...d1S
- 2.Qa4#
- 1...d1B
- 2.Qa4#
- 1...d1R
- 2.Qa4#
- 1...Bd5
- 2.Qg1#
- 1...Bc6
- 2.Qg1#
- 1...Se5
- 2.Qg1#
- 1...f3
- 2.Qa4#
- 1...Rxe6!
- threat
- 1.Rxe8?
- threat
- 2.Qg1#
- 2.Qa4#
- 1...axb6
- 2.Qg1#
- 1...d1Q
- 2.Qa4#
- 1...d1S
- 2.Qa4#
- 1...d1B
- 2.Qa4#
- 1...d1R
- 2.Qa4#
- 1...Bd5
- 2.Qg1#
- 1...Bc6
- 2.Qg1#
- 1...Se5
- 2.Qg1#
- 1...f3
- 2.Re4#
- 2.Qa4#
- 1...Se7!
- threat
- 1.Sf7?
- Keys
- 1.Rf3!
- threat
- 2.Rd5#
- 1...Kxe5
- 2.Qxc3#
- 1...Rxe5
- 2.Qa4#
- 1...Bxf3
- 2.Sxf3#
- 1...Sxe5
- 2.Qg1#
- 1...Rd8
- 2.Re4#
- 1...Se7
- 2.Re4#
- threat
- 1.Rf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- K(e);S_FLIGHT,XR(F)::QAB(A),XP(c)
- R(j);SBLOCK,XR(F)::QAR(A)
- B(a);N_GUARD::S(G),XB(a)
- B(a);N_GUARD::R1(F),XB(a)
- S(g);SBLOCK,XR(F)::QAB(A)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(j);XR(F)::QAR(A)
- P(b);::QAR(A)
- B(a);::QAB(A)
- P(f);::QAR(A)
- Refutation
- S(g);XR(F)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(j);SBLOCK,XR(F)::QAB1(A),XP(c)
- Refutation
- P(b);
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- S(g);XR(F)::QAB(A)
- P(b);::QAR(A)
- B(a);::QAB(A)
- P(f);::QAR(A)
- Refutation
- R(j);XR(F)
- Try
- R(C);CHECK,XP(d)
- Vars
- K(e);S_FLIGHT,XR(F)::QAB(A),XP(c)
- Refutation
- K(e);N_SPINP(c),P-FLIGHT,XR(C)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- P(h);XB(H)::QAB(A)
- P(b);::QAR(A)
- B(a);::QAB(A)
- S(g);::QAB(A)
- P(f);::QAR(A)
- Refutation
- R(j);XR(F)
- Try
- R(F);XR(j)
- Threat
- DUALS(2)
- Vars
- P(h);XB(H)::QAB(A)
- P(b);::QAR(A)
- B(a);::QAB(A)
- S(g);::QAB(A)
- Refutation
- S(g);
- Try
- Actual
- R(C);
- Threat
- R1(F)
- Vars
- K(e);S_FLIGHT,XR(F)::QAB(A),XP(c)
- R(j);SBLOCK,XR(F)::QAR(A)
- B(a);XR(C)::S(G),XB(a)
- S(g);SBLOCK,XR(F)::QAB(A)
- R(j);N_GUARD::R1(F)
- S(g);S_CUTR(j)::R1(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).