MESON Chess Problem Database
Problem Display
PID: 71945 (8/1R1K1p2/p4Bp1/P1kP2P1/pNrN1n1R/4b3/B2r2P1/7Q w - - 0 1)
Anonymous
Source?, 0000
#2
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Rdxd4
- 2.Be7#
- 1...Rc1
- 2.Sxa6#
- 1...Rc2
- 2.Sxa6#
- 1...Rc3
- 2.Sxa6#
- 1...Rxb4
- 2.Rc7#
- 1...Rcxd4
- 2.Sxa6#
- 2.Be7#
- 1...Bxd4
- 2.Be7#
- 1...Se2
- 2.Be7#
- 1...Sxg2
- 2.Be7#
- 1...Sd3
- 2.Be7#
- 1...Sh3
- 2.Be7#
- 1...Sxd5
- 2.Sxa6#
- 1...Sh5
- 2.Be7#
- 1...Se6
- 2.Be7#
- 1...a3
- 2.Sb3#
- 1...Rdxd4
- Tries
- 1.Sf3?
- threat
- 2.Be7#
- 1...Sxd5
- 2.Sxa6#
- 2.Rxc4#
- 1...Re4
- 2.Sxa6#
- 1...Rxd5+!
- threat
- 1.Sdc6?
- threat
- 2.Be7#
- 1...Sxd5
- 2.Sxa6#
- 2.Rxc4#
- 1...Re4
- 2.Sxa6#
- 1...Rxd5+!
- threat
- 1.Se6+?
- 1...Sxe6
- 2.Be7#
- 2.Rxc4#
- 1...fxe6!
- 1...Sxe6
- 1.Rh8?
- threat
- 2.Rc8#
- 1...Sxd5
- 2.Sxa6#
- 1...Se6!
- threat
- 1.Qa1?
- threat
- 2.Be7#
- 1...Sxd5
- 2.Sxa6#
- 1...Rc3
- 2.Sxa6#
- 2.Qxc3#
- 1...Rb2!
- threat
- 1.Qb1?
- threat
- 2.Rc7#
- 1...Rdxd4
- 2.Be7#
- 1...Rcxd4
- 2.Sxa6#
- 2.Be7#
- 1...Bxd4
- 2.Be7#
- 1...Sxd5
- 2.Sxa6#
- 1...Se6
- 2.Be7#
- 1...Rb2!
- threat
- 1.g3?
- threat
- 2.Sxa6#
- 1...Rxb4
- 2.Rc7#
- 1...Sg2
- 2.Be7#
- 1...Rg2!
- threat
- 1.Sf3?
- Keys
- 1.Qe1!
- 1...Rxa2
- 2.Rc7#
- 1...Rxg2
- 2.Rc7#
- 1...Rdxd4
- 2.Be7#
- 1...Rxb4
- 2.Rc7#
- 1...Rcxd4
- 2.Sxa6#
- 2.Be7#
- 1...Bxd4
- 2.Be7#
- 2.Qe7#
- 1...Sxg2
- 2.Be7#
- 1...Sxd5
- 2.Sxa6#
- 1...Rb2
- 2.Rc7#
- 1...Rd1
- 2.Rc7#
- 1...Rdc2
- 2.Rc7#
- 1...Re2
- 2.Rc7#
- 1...Rf2
- 2.Rc7#
- 1...Rd3
- 2.Rc7#
- 1...Rc1
- 2.Sxa6#
- 1...Rcc2
- 2.Sxa6#
- 1...Rc3
- 2.Sxa6#
- 1...Bg1
- 2.Qe7#
- 1...Bf2
- 2.Qe7#
- 1...Se2
- 2.Be7#
- 1...Sd3
- 2.Be7#
- 1...Sh3
- 2.Be7#
- 1...Sh5
- 2.Be7#
- 1...Se6
- 2.Be7#
- 1...a3
- 2.Sb3#
- 1...Rxa2
- 1.Qe1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 1
- Sets
- R(a);P_PINP(H),SBLOCK,XS(E)::B(J)
- R(d);::S(D),XP(g)
- R(d);SBLOCK,XS(D)::R(K)
- B(b);SBLOCK,XS(E)::B(J)
- S(e);::B(J)
- S(e);XP(C)::B(J)
- S(e);SBLOCK,XP(H)::S(D),XP(g)
- P(c);N_GUARD::S(E)
- Tries
- Try
- S(E);P_SPINP(H)
- Threat
- B(J)
- Vars
- R(d);::S(D),XP(g)
- Refutation
- R(a);CHECK,XP(H)
- Try
- S(E);P_SPINP(H)
- Threat
- B(J)
- Vars
- R(d);::S(D),XP(g)
- Refutation
- R(a);CHECK,XP(H)
- Try
- S(E);CHECK,P_SPINP(H)
- Refutation
- P(i);XS(E)
- Try
- R(F);
- Threat
- R(F)
- Vars
- S(e);SBLOCK,XP(H)::S(D),XP(g)
- Refutation
- S(e);
- Try
- Q(A);
- Threat
- B(J)
- Vars
- S(e);SBLOCK,XP(H)::S(D),XP(g)
- Refutation
- R(a);
- Try
- Q(A);
- Threat
- R(K)
- Vars
- R(a);P_PINP(H),SBLOCK,XS(E)::B(J)
- B(b);SBLOCK,XS(E)::B(J)
- S(e);SBLOCK,XP(H)::S(D),XP(g)
- S(e);::B(J)
- Refutation
- R(a);
- Try
- P(C);
- Threat
- S(D),XP(g)
- Vars
- R(d);SBLOCK,XS(D)::R(K)
- S(e);::B(J)
- Refutation
- R(a);
- Try
- Actual
- Q(A);
- Vars
- R(a);XB(B)::R(K)
- R(a);XP(C)::R(K)
- R(a);P_PINP(H),SBLOCK,XS(E)::B(J)
- R(d);SBLOCK,XS(D)::R(K)
- S(e);XP(C)::B(J)
- S(e);SBLOCK,XP(H)::S(D),XP(g)
- R(a);::R(K)
- R(d);::S(D),XP(g)
- B(b);OGATE::QAB(A)
- S(e);::B(J)
- P(c);N_GUARD::S(E)
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).