MESON Chess Problem Database
Problem Display
PID: 54635 (2B5/1KQ1R3/3PN3/3pbrP1/n3kp2/3ppN2/4n1P1/4R3 w - - 0 1)
Saunders, Denis M
The Problemist Supplement, 2003
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxg5
- 2.Sexg5#
- 1...Ba1
- 2.Sc5#
- 1...Bb2
- 2.Sc5#
- 1...Bc3
- 2.Sc5#
- 1...Bd4
- 2.Sc5#
- 1...Bxd6
- 2.Sc5#
- 1...Bf6
- 2.Sc5#
- 1...Bg7
- 2.Sc5#
- 1...Bh8
- 2.Sc5#
- 1...Sc1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sec3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Sb2
- 2.Sc5#
- 1...Sac3
- 2.Sc5#
- 1...Sc5+
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...d2
- 2.Qc2#
- 1...d4
- 2.Qc6#
- 1...Rxg5
- Tries
- 1.Qc4+?
- 1...Bd4
- 2.Sc5#
- 1...Sd4
- 2.Sd2#
- 1...d4
- 2.Qc6#
- 1...dxc4!
- 1...Bd4
- 1.g6?
- 1...Sc5+
- 2.Sxc5#
- 1...Bxd6
- 2.Sc5#
- 2.Seg5#
- 1...Rg5
- 2.Sexg5#
- 1...Rf6
- 2.Seg5#
- 1...Rf7
- 2.Seg5#
- 1...Rf8
- 2.Seg5#
- 1...d2
- 2.Qc2#
- 1...d4
- 2.Qc6#
- 1...Ba1
- 2.Sc5#
- 2.Seg5#
- 1...Bb2
- 2.Sc5#
- 2.Seg5#
- 1...Bc3
- 2.Sc5#
- 2.Seg5#
- 1...Bd4
- 2.Sc5#
- 2.Seg5#
- 1...Bf6
- 2.Sc5#
- 2.Seg5#
- 1...Bg7
- 2.Sc5#
- 2.Seg5#
- 1...Bh8
- 2.Sc5#
- 2.Seg5#
- 1...Sc1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sec3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Sb2
- 2.Sc5#
- 1...Sac3
- 2.Sc5#
- 1...Sb6
- 2.Sc5#
- 1...Rh5!
- 1...Sc5+
- 1.d7?
- 1...Sc5+
- 2.Sxc5#
- 1...Bxc7
- 2.Sc5#
- 1...Rf6
- 2.Qxe5#
- 1...Rf7
- 2.Qxe5#
- 1...Rf8
- 2.Qxe5#
- 1...d2
- 2.Qc2#
- 1...d4
- 2.Qc6#
- 1...Ba1
- 2.Sc5#
- 1...Bb2
- 2.Sc5#
- 1...Bc3
- 2.Sc5#
- 1...Bd4
- 2.Sc5#
- 1...Bd6
- 2.Sc5#
- 1...Bf6
- 2.Sc5#
- 1...Bg7
- 2.Sc5#
- 1...Bh8
- 2.Sc5#
- 1...Sc1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sec3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Sb2
- 2.Sc5#
- 1...Sac3
- 2.Sc5#
- 1...Sb6
- 2.Sc5#
- 1...Rxg5!
- 1...Sc5+
- 1.Qc4+?
- Keys
- 1.Qc3!
- 1...Sc5+
- 2.Sxc5#
- 1...Rxg5
- 2.Sexg5#
- 1...Bxc3
- 2.Sc5#
- 1...Bxd6
- 2.Sc5#
- 1...Sexc3
- 2.Sd2#
- 1...Saxc3
- 2.Sc5#
- 1...Rf6
- 2.Qxe5#
- 1...Rf7
- 2.Qxe5#
- 1...Rf8
- 2.Qxe5#
- 1...d4
- 2.Qc6#
- 1...Bd4
- 2.Sc5#
- 1...Bf6
- 2.Sc5#
- 1...Bg7
- 2.Sc5#
- 1...Bh8
- 2.Sc5#
- 1...Sc1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Sb2
- 2.Sc5#
- 1...Sb6
- 2.Sc5#
- 1...d2
- 2.Qc2#
- 1...Sc5+
- 1.Qc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(i);XP(D)::S(F),XR(i)
- B(h);::R(I)+S(F),DCHECK
- B(h);XP(E)::R(I)+S(F),DCHECK
- S(a);P_SPINP(c)::S(C)
- S(d);N_GUARD::S(F)
- S(d);CHECK,N_GUARD::S(F),XS(d)
- P(b);OGATEB::QAB(H)
- P(g);OGATEB::QAB(H)
- Tries
- Try
- Q(H);CHECK
- Vars
- B(h);P_SPINB(h)::R(I)+S(F),DCHECK
- S(a);P_SPINP(c),P_SPINS(a)::S(C)
- P(g);OGATEB,P_SPINP(g)::QAB(H)
- Refutation
- P(g);XQ(H)
- Try
- P(D);
- Vars
- S(d);CHECK,N_GUARD::S(F),XS(d)
- R(i);N_GUARD::S(F),XR(i)
- R(i);N_GUARD::S(F)
- P(b);OGATEB::QAB(H)
- P(g);OGATEB::QAB(H)
- S(a);P_SPINP(c)::S(C)
- S(d);N_GUARD::S(F)
- Refutation
- R(i);
- Try
- P(E);
- Vars
- S(d);CHECK,N_GUARD::S(F),XS(d)
- B(h);XQ(H)::R(I)+S(F),DCHECK
- R(i);N_GUARD::QAR1(H),XB(h)
- P(b);OGATEB::QAB(H)
- P(g);OGATEB::QAB(H)
- B(h);::R(I)+S(F),DCHECK
- S(a);P_SPINP(c)::S(C)
- S(d);N_GUARD::S(F)
- Refutation
- R(i);XP(D)
- Try
- Actual
- Q(H);
- Vars
- S(d);CHECK,N_GUARD::S(F),XS(d)
- R(i);XP(D)::S(F),XR(i)
- B(h);XQ(H)::R(I)+S(F),DCHECK
- B(h);XP(E)::R(I)+S(F),DCHECK
- S(a);P_SPINP(c),XQ(H)::S(C)
- S(d);N_GUARD,XQ(H)::S(F)
- R(i);N_GUARD::QAR1(H),XB(h)
- R(i);N_GUARD,P_PINR(I)::QAR1(H),XB(h)
- P(g);OGATEB::QAB(H)
- B(h);::R(I)+S(F),DCHECK
- S(a);P_SPINP(c)::S(C)
- S(d);N_GUARD::S(F)
- P(b);OGATEB::QAB(H)
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).