MESON Chess Problem Database
Problem Display
PID: 199355 (R7/1N3B1p/1K6/q1RP4/2p1k1P1/1NBpP1rn/Q4PP1/8 w - - 0 1)
Witt, Andreas
The Problemist, 2019
#2
13 + 7
SOLUTION
- SOUND
- Tries
- 1.S3xa5?
- threat
- 2.Sd6#
- 2.Rxc4#
- 2.Re8#
- 2.Qxc4#
- 1...Rxe3
- 2.Rxc4#
- 2.Qxc4#
- 1...Rxg4
- 2.Sd6#
- 1...Sxf2
- 2.Re8#
- 1...d2
- 2.Qb1#
- 2.Qxc4#
- 2.Qc2#
- 1...Sf4
- 2.Sd6#
- 2.Rxc4#
- 2.Qxc4#
- 1...Sg5
- 2.Sd6#
- 2.Rxc4#
- 2.Qxc4#
- 1...Rxg2!
- threat
- 1.S7xa5?
- threat
- 2.Sd2#
- 2.Rxc4#
- 2.Re8#
- 1...Rxg2
- 2.Sd2#
- 1...Rxe3
- 2.Rxc4#
- 1...Sxf2
- 2.Re8#
- 1...cxb3
- 2.Rc4#
- 2.Re8#
- 2.Qa4#
- 1...d2
- 2.Qb1#
- 2.Qc2#
- 1...Sf4
- 2.Sd2#
- 2.Rxc4#
- 1...Sg5
- 2.Sd2#
- 2.Rxc4#
- 1...Rxg4!
- threat
- 1.Rcxa5?
- threat
- 2.Sd2#
- 2.S3c5#
- 2.S7c5#
- 2.Sd6#
- 2.Re8#
- 1...Rxg2
- 2.Sd2#
- 1...Rxg4
- 2.Sd6#
- 1...Sxf2
- 2.Re8#
- 1...cxb3
- 2.Sc5#
- 2.Sd6#
- 2.Ra4#
- 2.Re8#
- 2.Qa4#
- 1...d2
- 2.S3c5#
- 2.S7c5#
- 2.Qb1#
- 2.Qc2#
- 1...Sf4
- 2.Sd2#
- 2.S3c5#
- 2.S7c5#
- 2.Sd6#
- 1...Sg5
- 2.Sd2#
- 2.S3c5#
- 2.S7c5#
- 2.Sd6#
- 1...Rxe3!
- threat
- 1.Raxa5?
- threat
- 2.Sd2#
- 2.Sd6#
- 2.Rxc4#
- 1...Rxg2
- 2.Sd2#
- 1...Rxe3
- 2.Rxc4#
- 1...Rxg4
- 2.Sd6#
- 1...cxb3
- 2.Sd6#
- 2.Ra4#
- 2.Rc4#
- 2.Qa4#
- 1...d2
- 2.Qb1#
- 2.Qc2#
- 1...Sxf2!
- threat
- 1.Qxa5?
- threat
- 2.Sd2#
- 2.Sd6#
- 2.Rxc4#
- 2.Re8#
- 1...Rxg2
- 2.Sd2#
- 1...Rxe3
- 2.Rxc4#
- 1...Rxg4
- 2.Sd6#
- 1...Sxf2
- 2.Re8#
- 1...cxb3
- 2.Sd6#
- 2.Rc4#
- 2.Re8#
- 2.Qb4#
- 2.Qa4#
- 1...Sf4
- 2.Sd2#
- 2.Sd6#
- 2.Rxc4#
- 1...Sg5
- 2.Sd2#
- 2.Sd6#
- 2.Rxc4#
- 1...d2!
- threat
- 1.S3xa5?
- Keys
- 1.Kxa5!
- threat
- 2.Sd2#
- 2.Sd6#
- 2.Rxc4#
- 2.Re8#
- 1...Rxg2
- 2.Sd2#
- 1...Rxe3
- 2.Rxc4#
- 1...Rxg4
- 2.Sd6#
- 1...Sxf2
- 2.Re8#
- 1...cxb3
- 2.Sd6#
- 2.Rc4#
- 2.Re8#
- 2.Qa4#
- 1...d2
- 2.Qb1#
- 2.Qc2#
- 1...Sf4
- 2.Sd2#
- 2.Sd6#
- 2.Rxc4#
- 1...Sg5
- 2.Sd2#
- 2.Sd6#
- 2.Rxc4#
- threat
- 1.Kxa5!
FEATURES
- Static
- TYPE = WHITE_IN_CHECK
- Tries
- Try
- S(D);XQ(f)
- Threat
- DUALS(4)
- Vars
- R(b);XP(G)::S(K)
- S(c);XP(B)::R(M)
- Refutation
- R(b);XP(C)
- Try
- S(K);XQ(f)
- Threat
- DUALS(3)
- Vars
- R(b);XP(C)::S(D)
- R(b);XP(F)::R(H),XP(d)
- S(c);XP(B)::R(M)
- Refutation
- R(b);XP(G)
- Try
- R(H);XQ(f)
- Threat
- DUALS(5)
- Vars
- R(b);XP(C)::S(D)
- R(b);XP(G)::S(K)
- S(c);XP(B)::R(M)
- Refutation
- R(b);XP(F)
- Try
- R(M);XQ(f)
- Threat
- DUALS(3)
- Vars
- R(b);XP(C)::S(D)
- R(b);XP(F)::R(H),XP(d)
- R(b);XP(G)::S(K)
- Refutation
- S(c);XP(B)
- Try
- Q(A);XQ(f)
- Threat
- DUALS(4)
- Vars
- R(b);XP(C)::S(D)
- R(b);XP(F)::R(H),XP(d)
- R(b);XP(G)::S(K)
- S(c);XP(B)::R(M)
- Refutation
- P(a);
- Try
- Actual
- K(J);S_FLIGHT,XQ(f)
- Threat
- DUALS(4)
- Vars
- R(b);XP(C)::S(D)
- R(b);XP(F)::R(H),XP(d)
- R(b);XP(G)::S(K)
- S(c);XP(B)::R(M)
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).