MESON Chess Problem Database
Problem Display
PID: 62353 (Q3RK2/b1p4b/1pBkP3/1pr1rp2/2pPp3/8/3B4/3R4 w - - 0 1)
Knuppert, Hugo
Thema Danicum, 1994
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Rxc6
- 2.Qd8#
- 1...Rxe6
- 2.Rd8#
- 1...Rxc6
- Tries
- 1.Bb4?
- threat
- 2.dxc5#
- 1...Rxe6
- 2.Rd8#
- 1...Rd5!
- threat
- 1.Bf4?
- threat
- 2.dxe5#
- 1...Rxc6
- 2.Qd8#
- 1...Rd5!
- threat
- 1.dxc5+?
- 1...Rxc5
- 2.Bf4#
- 1...bxc5
- 2.Bf4#
- 1...Kxc5!
- 1...Rxc5
- 1.dxe5+?
- 1...Rxe5
- 2.Bb4#
- 1...Kxe5!
- 1...Rxe5
- 1.Bb4?
- Keys
- 1.d5!
- threat
- 2.Rd8#
- 2.Qd8#
- 1...Rcxd5
- 2.Bb4#
- 1...Rxc6
- 2.Qxc6#
- 1...Rexd5
- 2.Bf4#
- 1...Rxe6
- 2.Rxe6#
- 1...Bb8
- 2.Rd8#
- threat
- 1.d5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(d);SBLOCK,XB(D)::QAR2(F)
- R(e);SBLOCK,XP(E)::R(G)
- Tries
- Try
- B(B);P_PINR(d)
- Threat
- R(A)+P(C)DCHECK,XR(d)
- Vars
- R(e);SBLOCK,XP(E)::R(G)
- Refutation
- R(e);
- Try
- B(B);P_PINR(e)
- Threat
- R(A)+P(C)DCHECK,XR(e)
- Vars
- R(d);SBLOCK,XB(D)::QAR2(F)
- Refutation
- R(d);
- Try
- P(C);CHECK,XR(d)
- Vars
- R(e);SBLOCK,XP(C)::R(A)+B(B),DCHECK
- P(g);SBLOCK,XP(C)::R(A)+B(B)
- Refutation
- K(h);S_FLIGHT,XP(C)
- Try
- P(C);CHECK,XR(e)
- Vars
- R(d);SBLOCK,XP(C)::R(A)+B(B),DCHECK
- Refutation
- K(h);S_FLIGHT,XP(C)
- Try
- Actual
- P(C);
- Threat
- DUALS(2)
- Vars
- R(d);OGATEB,XP(C)::B(B)
- R(d);OGATE,XB(D)::QAR1(F),XR(d)
- R(e);OGATEB,XP(C)::B(B)
- R(e);OGATE,XP(E)::R1(G),XR(e)
- B(i);::R(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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