MESON Chess Problem Database

Problem Display
PID: 110316 (4K1N1/1p2P2p/1Rn1k1nR/p3B3/P1N3P1/4P3/8/4Q2B w - - 0 1)

Mlynka, Karol

3rd HM., UV CSTV, 1975

4K1N1/1p2P2p/1Rn1k1nR/p3B3/P1N3P1/4P3/8/4Q2B

#2

12 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bd6?
      • 1...Sxe7
        • 2.Bxe7#
      • 1...Sb4
        • 2.Bxb4#
      • 1...Sd4
        • 2.exd4#
      • 1...Se5
        • 2.Bxe5#
      • 1...Sb8
        • 2.Bxb8#
      • 1...Sd8
        • 2.exd8S#
      • 1...Sa7!
  • Keys
    • 1.Bf6!
      • 1...Sxe7
        • 2.Bxe7#
      • 1...Sf4
        • 2.exf4#
      • 1...Sh4
        • 2.Bxh4#
      • 1...Se5
        • 2.Bxe5#
      • 1...Sf8
        • 2.exf8S#
      • 1...Sh8
        • 2.Bxh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);N_PINS(b),P_PINS(d)
      • Vars
        • S(b);OGATE,XP(J)::R(H)+B(G),XS(b)
        • S(b);OGATEB::R(H)+B(G),XS(b)
        • S(b);OGATE::QAR(A)+P(C),XS(b)
        • S(b);OGATE::PXS(b)=S
      • Refutation
        • S(b);
  • Actual
    • B(G);
    • Vars
      • S(d);OGATE,XP(J)::R(I)+B(G),XS(d)
      • S(d);OGATE::QAR(A)+P(C),XS(d)
      • S(d);OGATEB::R(I)+B(G),XS(d)
      • S(d);OGATE::PXS(d)=S
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