MESON Chess Problem Database
Problem Display
PID: 264938 (8/3R2B1/2Pp1P1p/1P1kppN1/1Kp1R2P/1P2P3/5PN1/2r4B w - - 0 1)
Murashev, Pavel Aleksandrovich
The Problemist, 2022
#2
14 + 7
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.bxc4#
- 1...Rd1
- 2.bxc4#
- 1...Re1
- 2.bxc4#
- 1...Rf1
- 2.bxc4#
- 1...Rg1
- 2.bxc4#
- 1...Rxh1
- 2.bxc4#
- 1...Ra1
- Tries
- 1.Se1?
- threat
- 2.Rd4#
- 1...fxe4
- 2.Bxe4#
- 1...hxg5!
- threat
- 1.Rxc4?
- threat
- 2.Sf4#
- 1...Rxc4+
- 2.bxc4#
- 1...Rxh1
- 2.Rc5#
- 1...f4
- 2.Sxf4#
- 2.e4#
- 1...e4!
- threat
- 1.Rg4?
- threat
- 2.Sf4#
- 1...Rxh1
- 2.bxc4#
- 1...f4
- 2.Sxf4#
- 1...e4!
- threat
- 1.f4?
- threat
- 2.Rxe5#
- 1...exf4
- 2.Sxf4#
- 1...fxe4!
- threat
- 1.Se1?
- Keys
- 1.Sf7!
- threat
- 2.Rxe5#
- 1...Kxe4
- 2.Se1#
- 1...Ke6
- 2.Sf4#
- 1...fxe4
- 2.Rxd6#
- threat
- 1.Sf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD::P(D),XP(b)
- R(a);N_GUARD,XB(A)::P(D),XP(b)
- Tries
- Try
- S(C);
- Threat
- B(A)+R(G),DCHECK
- Vars
- P(e);N_SPINP(f),OGATE,P_SPINP(e),XR(G)::B(A),XP(e)
- Refutation
- P(g);XS(J)
- Try
- R(G);XP(b)
- Threat
- B(A)+S(C),DCHECK
- Vars
- R(a);CHECK,OGATE,XR(G)::P(D),XR(a)
- R(a);N_GUARD,XB(A)::R1(G)
- Refutation
- P(d);
- Try
- R(G);
- Threat
- B(A)+S(C),DCHECK
- Vars
- R(a);N_GUARD,XB(A)::P(D),XP(b)
- P(e);::B(A)+S(C),DCHECK,XP(e)
- Refutation
- P(d);
- Try
- P(B);
- Threat
- R1(G),XP(d)
- Vars
- P(d);XP(B)::S(C),XP(d)
- Refutation
- P(e);XR(G)
- Try
- Actual
- S(J);
- Threat
- R1(G),XP(d)
- Vars
- K(c);N_SPINP(f),S_FLIGHT,XR(G)::B(A)+S(C)
- K(c);N_SPINP(f),P_SPINP(d),S_FLIGHT::S(C)
- P(e);SBLOCK,XR(G)::R1(M),XP(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).