MESON Chess Problem Database

Problem Display
PID: 7655 (8/8/8/1B6/1pP1PBPp/bP5R/bpk2NKQ/1N4R1 w - - 0 1)

Gavriliv, Evgeni M

1st Prize, Prioskaya Pravda, 1992-1993

8/8/8/1B6/1pP1PBPp/bP5R/bpk2NKQ/1N4R1

#2

12 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Sd1?
      • 1...Kxb1
        • 2.Se3#
      • 1...Bxb1
        • 2.Kh1#
      • 1...Bxb3!
    • 1.Sd3?
      • 1...Kxb3
        • 2.Se1#
      • 1...Bxb3
        • 2.Kh1#
      • 1...Bxb1!
    • 1.Ba4?
      • 1...Bxb3
        • 2.Bxb3#
      • 1...Bxb1!
    • 1.Re1?
      • 1...Bxb1
        • 2.Re2#
      • 1...Bxb3!
    • 1.c5?
      • 1...Bxb3
        • 2.Bd3#
      • 1...Bxb1!
  • Keys
    • 1.Kh1!
      • 1...Bxb1
        • 2.Sd1#
      • 1...Bxb3
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(c);S_FLIGHT,XS(A)::R(B)+S(C)
        • B(a);SBLOCK,XS(A)::QAR(E)+K(D)
      • Refutation
        • B(a);XP(F)
    • Try
      • S(C);
      • Vars
        • K(c);S_FLIGHT,XP(F)::R(G)+S(C)
        • B(a);SBLOCK,XP(F)::QAR(E)+K(D)
      • Refutation
        • B(a);XS(A)
    • Try
      • B(L);
      • Vars
        • B(a);OGATE,P_SPINB(a),XP(F)::B(L),XB(a)
      • Refutation
        • B(a);XS(A)
    • Try
      • R(B);
      • Vars
        • B(a);SBLOCK,XS(A)::R(B)
      • Refutation
        • B(a);XP(F)
    • Try
      • P(H);
      • Vars
        • B(a);SBLOCK,XP(F)::B(L)
      • Refutation
        • B(a);XS(A)
  • Actual
    • K(D);S_FLIGHT
    • Vars
      • B(a);SBLOCK,XS(A)::QAR(E)+S(C)
      • B(a);SBLOCK,XP(F)::QAR(E)+S(C)
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