MESON Chess Problem Database

Problem Display
PID: 154922 (brN5/1kP5/1P2P3/4P3/8/5RP1/3P2RK/5BBQ w - - 0 1)

Stojnic, Dragan

1st HM., Wola Gulowska, 2000

brN5/1kP5/1P2P3/4P3/8/5RP1/3P2RK/5BBQ

#2

13 + 3

15345 Wola Gulowska Award 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Ba6+?
      • 1...Kc6
        • 2.Se7#
      • 1...Kxa6!
    • 1.Re2?
      • 1...Kc6
        • 2.Rb3#
      • 1...Kxc8
        • 2.Rf8#
      • 1...Rxc8
        • 2.Ra3#
      • 1...Ka6!
    • 1.Rb3?
      • 1...Kc6
        • 2.Re2#
      • 1...Rxc8
        • 2.Rf2#
      • 1...Kxc8!
    • 1.cxb8Q+?
      • 1...Kc6
        • 2.Se7#
        • 2.Qxa8#
      • 1...Kxb8!
    • 1.cxb8R+?
      • 1...Kc6
        • 2.Se7#
      • 1...Kxb8!
  • Keys
    • 1.Rgf2!
      • threat
        • 2.Rf8#
      • 1...Kc6
        • 2.Rc3#
      • 1...Kxc8
        • 2.Rf8#
      • 1...Rxc8
        • 2.Rb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(a);S_FLIGHT::S(M)
      • Refutation
        • K(a);S_FLIGHT,XB(A)
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT::QAB(C)+R(G)
        • K(a);S_FLIGHT,XS(M)::R(G)
        • R(c);SBLOCK,XS(M)::QAB(C)+R(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(G);
      • Vars
        • K(a);S_FLIGHT::QAB(C)+R(E)
        • R(c);SBLOCK,XS(M)::QAB(C)+R(E)
      • Refutation
        • K(a);S_FLIGHT,XS(M)
    • Try
      • P(L);CHECK,XR(c)
      • Refutation
        • K(a);P-FLIGHT,XQ(L)
    • Try
      • P(L);CHECK,XR(c)
      • Vars
        • K(a);S_FLIGHT::S(M)
      • Refutation
        • K(a);P-FLIGHT,XR(L)
  • Actual
    • R(E);
    • Threat
      • QAB(C)+R(G)
    • Vars
      • K(a);S_FLIGHT::QAB(C)+R(G),DCHECK
      • K(a);S_FLIGHT,XS(M)::R(G)
      • R(c);SBLOCK,XS(M)::QAB(C)+R(G)
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