MESON Chess Problem Database
Problem Display
PID: 143775 (5RRr/5B1p/5N1k/4BKpP/5pP1/7b/5NP1/8 w - g5 0 1)
Gruber, Lutz-Dieter
Troll, 2011
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxg8
- 2.Sxg8#
- 1...Bxg4+
- 2.S2xg4#
- 2.S6xg4#
- 1...Rxg8
- Tries
- 1.Sxh3?
- 1...Rxg8
- 2.Sxg8#
- 1...f3!
- 1...Rxg8
- 1.S6e4?
- threat
- 2.Bg7#
- 1...Bxg4+
- 2.Sxg4#
- 1...Rxg8!
- threat
- 1.Sd5?
- threat
- 2.Bg7#
- 1...Bxg4+
- 2.Sxg4#
- 1...Rxg8!
- threat
- 1.Sd7?
- threat
- 2.Bg7#
- 1...Bxg4+
- 2.Sxg4#
- 1...Rxg8!
- threat
- 1.Se8?
- threat
- 2.Bg7#
- 1...Bxg4+
- 2.Sxg4#
- 1...Rxg8!
- threat
- 1.Rxh8?
- threat
- 2.Sg8#
- 2.Rxh7#
- 1...Bxg4+
- 2.S6xg4#
- 1...Kg7!
- threat
- 1.gxh3?
- 1...Rxg8
- 2.Sxg8#
- 1...f3!
- 1...Rxg8
- 1.Sxh3?
- Keys
- 1.hxg5 ep!
- threat
- 2.Bxf4#
- 1...Bxg4+
- 2.S2xg4#
- 1...hxg6+
- 2.Rxg6#
- 1...Rxg8
- 2.Sxg8#
- 1...f3
- 2.Bf4#
- threat
- 1.hxg5 ep!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(f);XR(J)::S(G),XR(f)
- Tries
- Try
- S(A);N_SPINP(C),XB(a)
- Vars
- R(f);XR(J)::S(G),XR(f)
- Refutation
- P(b);
- Try
- S(G);
- Threat
- B(D)
- Vars
- B(a);CHECK,XP(C)::S(A),XB(a)
- Refutation
- R(f);XR(J)
- Try
- S(G);
- Threat
- B(D)
- Vars
- B(a);CHECK,XP(C)::S(A),XB(a)
- Refutation
- R(f);XR(J)
- Try
- S(G);
- Threat
- B(D)
- Vars
- B(a);CHECK,XP(C)::S(A),XB(a)
- Refutation
- R(f);XR(J)
- Try
- S(G);
- Threat
- B(D)
- Vars
- B(a);CHECK,XP(C)::S(A),XB(a)
- Refutation
- R(f);XR(J)
- Try
- R(J);P_PINP(e),XR(f)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,XP(C)::S(G),XB(a)
- Refutation
- K(d);N_SPINP(e),S_FLIGHT
- Try
- P(B);N_SPINP(C),XB(a)
- Vars
- R(f);XR(J)::S(G),XR(f)
- Refutation
- P(b);
- Try
- Actual
- P(F);EP,XP(c)
- Threat
- B(D),XP(b)
- Vars
- B(a);CHECK,XP(C)::S(A),XB(a)
- P(e);CHECK,OGATE,XP(F)::R1(J),XP(e)
- R(f);XR(J)::S(G),XR(f)
- P(b);::B(D)
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).