MESON Chess Problem Database

Problem Display
PID: 138217 (4Q2B/2pp1K2/2Pbpp1p/1B1P3N/1P2kpR1/6R1/4NP2/8 w - - 0 1)

Wrobel, Marian

1st HM., Shakhmaty v SSSR, 1947

4Q2B/2pp1K2/2Pbpp1p/1B1P3N/1P2kpR1/6R1/4NP2/8

#2

12 + 8

14752 Soviet Chess Compositions (1945-1947) 1949

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Sc3#
  • Tries
    • 1.Re3+?
      • 1...Kxd5
        • 2.Sxf6#
      • 1...Kf5!
    • 1.Qxe6+?
      • 1...Be5
        • 2.Sxf6#
        • 2.Bd3#
        • 2.Re3#
        • 2.Rxf4#
      • 1...dxe6!
  • Keys
    • 1.Qxd7!
      • 1...Kxd5
        • 2.Qxe6#
      • 1...Ke5
        • 2.Qxe6#
      • 1...Kf5
        • 2.Qxe6#
      • 1...Bxb4
        • 2.Qxe6#
      • 1...exd5
        • 2.Re3#
      • 1...Bc5
        • 2.Qxe6#
      • 1...Be5
        • 2.Bd3#
      • 1...Be7
        • 2.Qxe6#
      • 1...Bf8
        • 2.Qxe6#
      • 1...e5
        • 2.Sxf6#
      • 1...f5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK::S(A)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT,XP(G)::S(H),XP(e)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • Q(K);CHECK,XP(d)
      • Refutation
        • P(h);XQ(K)
  • Actual
    • Q(K);XP(h)
    • Vars
      • K(a);N_SPINP(b),P_SPINB(c),S_FLIGHT,XP(G)::QAB1(K),XP(d)
      • K(a);N_SPINP(b),P-FLIGHT,P_SPINP(e)::QAR1(K),XP(d)
      • K(a);N_SPINP(b),P_SPINP(d),S_FLIGHT::QAB1(K),XP(d)
      • B(c);N_GUARD,XP(D)::QAR2(K),XP(d)
      • P(d);SBLOCK,XP(G)::R1(C)
      • B(c);N_GUARD::QAR2(K),XP(d)
      • B(c);SBLOCK::B(F)
      • P(d);SBLOCK::S(H),XP(e)
      • P(e);SBLOCK::S(A)
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