MESON Chess Problem Database
Problem Display
PID: 23231 (4bN2/3B1p2/2pPp1pQ/K1kP4/1Np1RB2/2p1p3/2P5/8 w - - 0 1)
Chandrasekaran, KR
The Problemist, 1996
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Bxd7
- 2.Sxd7#
- 1...cxd5
- 2.Sa6#
- 1...exd5
- 2.Sa6#
- 1...f5
- 2.Sxe6#
- 1...f6
- 2.Sxe6#
- 1...Bxd7
- Tries
- 1.Be5?
- threat
- 2.Qxe3#
- 1...cxd5
- 2.Sa6#
- 1...exd5
- 2.Sa6#
- 1...e2
- 2.Qe3#
- 1...g5!
- threat
- 1.Bxe6?
- threat
- 2.Sa6#
- 1...fxe6
- 2.Sxe6#
- 1...cxd5!
- threat
- 1.Rxe6?
- threat
- 2.Bxe3#
- 1...Kd4
- 2.Bxe3#
- 1...fxe6
- 2.Sxe6#
- 1...e2
- 2.Be3#
- 1...cxd5!
- threat
- 1.Qg5?
- threat
- 2.Sa6#
- 1...f5
- 2.Sxe6#
- 1...e5!
- threat
- 1.Qg7?
- threat
- 2.Qd4#
- 1...f6
- 2.Sxe6#
- 1...e5!
- threat
- 1.Qh2?
- threat
- 2.Bxe3#
- 1...cxd5
- 2.Sa6#
- 1...exd5
- 2.Sa6#
- 1...e2
- 2.Be3#
- 2.Qg1#
- 2.Qf2#
- 1...e5!
- threat
- 1.Qh3?
- threat
- 2.Qxe3#
- 1...cxd5
- 2.Sa6#
- 1...exd5
- 2.Sa6#
- 1...e2
- 2.Qe3#
- 1...e5!
- threat
- 1.Qh8?
- threat
- 2.Qd4#
- 1...f6
- 2.Sxe6#
- 1...e5!
- threat
- 1.Be5?
- Keys
- 1.Qxg6!
- 1...Bxd7
- 2.Sxd7#
- 1...cxd5
- 2.Sa6#
- 1...exd5
- 2.Sa6#
- 1...fxg6
- 2.Sxe6#
- 1...e2
- 2.Qg1#
- 1...e5
- 2.Bxe3#
- 1...f5
- 2.Sxe6#
- 1...f6
- 2.Sxe6#
- 1...Bxd7
- 1.Qxg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(i);XB(I)::S(J),XB(i)
- P(e);SBLOCK,XP(F)::S(B)
- P(f);SBLOCK,XP(F)::S(B)
- P(h);N_GUARD::S(J),XP(f)
- Tries
- Try
- B(D);
- Threat
- QAB(H),XP(b)
- Vars
- P(e);SBLOCK,XP(F)::S(B)
- P(f);SBLOCK,XP(F)::S(B)
- P(b);::QAB(H)
- Refutation
- P(g);
- Try
- B(I);XP(f)
- Threat
- S(B)
- Vars
- P(h);XB(I)::S(J),XP(h)
- Refutation
- P(e);XP(F)
- Try
- R(C);XP(f)
- Threat
- B(D),XP(b)
- Vars
- K(d);S_FLIGHT::B(D),XP(b)
- P(h);XR(C)::S(J),XP(h)
- P(b);::B(D)
- Refutation
- P(e);XP(F)
- Try
- Q(H);
- Threat
- S(B)
- Vars
- P(h);N_GUARD::S(J),XP(f)
- Refutation
- P(f);
- Try
- Q(H);
- Threat
- QAB1(H)
- Vars
- P(h);N_GUARD::S(J),XP(f)
- Refutation
- P(f);
- Try
- Q(H);
- Threat
- B(D),XP(b)
- Vars
- P(e);SBLOCK,XP(F)::S(B)
- P(f);SBLOCK,XP(F)::S(B)
- Refutation
- P(f);
- Try
- Q(H);
- Threat
- QAB(H),XP(b)
- Vars
- P(e);SBLOCK,XP(F)::S(B)
- P(f);SBLOCK,XP(F)::S(B)
- P(b);::QAB(H)
- Refutation
- P(f);
- Try
- Q(H);
- Threat
- QAB1(H)
- Vars
- P(h);N_GUARD::S(J),XP(f)
- Refutation
- P(f);
- Try
- Actual
- Q(H);XP(g)
- Vars
- B(i);XB(I)::S(J),XB(i)
- P(e);SBLOCK,XP(F)::S(B)
- P(f);SBLOCK,XP(F)::S(B)
- P(h);N_GUARD,XQ(H)::S(J),XP(f)
- P(b);OGATEB::QAB(H)
- P(f);::B(D),XP(b)
- P(h);N_GUARD::S(J),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).