MESON Chess Problem Database

Problem Display
PID: 237441 (1B2rQ2/4p2r/R2Pp1N1/2N5/pRpkP3/P1b1pP2/4n3/1K3B2 w - - 0 1)

Labai, Zoltan

2nd Comm., Pat a Mat, 2003

1B2rQ2/4p2r/R2Pp1N1/2N5/pRpkP3/P1b1pP2/4n3/1K3B2

#2

12 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Ba7#
    • 1...Sc1
      • 2.Sxe6#
      • 2.Rxc4#
    • 1...Sg1
      • 2.Sxe6#
      • 2.Rxc4#
    • 1...Sg3
      • 2.Sxe6#
      • 2.Rxc4#
    • 1...Sf4
      • 2.Rxc4#
    • 1...exd6
      • 2.Qxd6#
  • Tries
    • 1.Sb3+?
      • 1...Kd3
        • 2.Sf4#
      • 1...axb3!
    • 1.Qg7+?
      • 1...Kxc5
        • 2.Ba7#
      • 1...e5
        • 2.Qxe5#
      • 1...Rxg7!
    • 1.Qf4?
      • threat
        • 2.Qe5#
      • 1...Kxc5
        • 2.Ba7#
      • 1...Sxf4
        • 2.Rxc4#
      • 1...exd6
        • 2.Qxd6#
      • 1...e5
        • 2.Qxe5#
      • 1...Rh5!
    • 1.Qf6+?
      • 1...Kxc5
        • 2.Ba7#
      • 1...e5
        • 2.Qxe5#
      • 1...exf6!
  • Keys
    • 1.Kc2!
      • threat
        • 2.Sxe6#
      • 1...Kxc5
        • 2.Ba7#
      • 1...exd6
        • 2.Qxd6#
      • 1...Sf4
        • 2.Rxc4#
      • 1...e5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(f);N_SPINP(e),OGATEB,S_FLIGHT,XS(G)::B(K)
    • S(a);::R1(E),XP(e)
    • P(h);OGATE,XP(I)::QAR2(L),XP(h)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(f);N_SPINP(e),P-FLIGHT,P_SPINS(a)::S(J)
      • Refutation
        • P(d);XS(G)
    • Try
      • Q(L);CHECK
      • Vars
        • K(f);N_SPINP(e),S_FLIGHT,XS(G)::B(K)
        • P(g);::QAB1(L),XP(g)
      • Refutation
        • R(i);XQ(L)
    • Try
      • Q(L);
      • Threat
        • QAB1(L)
      • Vars
        • K(f);N_SPINP(e),OGATEB,S_FLIGHT,XS(G)::B(K)
        • S(a);XQ(L)::R1(E),XP(e)
        • P(h);OGATE,XP(I)::QAR2(L),XP(h)
        • P(g);::QAB1(L),XP(g)
      • Refutation
        • R(i);
    • Try
      • Q(L);CHECK
      • Vars
        • K(f);N_SPINP(e),S_FLIGHT,XS(G)::B(K)
        • P(g);::QAB1(L),XP(g)
      • Refutation
        • P(h);XQ(L)
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • S(G),XP(g)
    • Vars
      • K(f);N_SPINP(e),OGATEB,S_FLIGHT,XS(G)::B(K)
      • P(h);OGATE,XP(I)::QAR2(L),XP(h)
      • S(a);::R1(E),XP(e)
      • P(g);::S(G)
HTML5 logo

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).