MESON Chess Problem Database

Problem Display
PID: 276499 (7b/1K1Q4/B7/2P5/3pk2p/5n1R/4NPP1/4n3 w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Mat, 1981

7b/1K1Q4/B7/2P5/3pk2p/5n1R/4NPP1/4n3

#2

8 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Sg3+?
      • 1...Kf4
        • 2.Qf5#
      • 1...Ke5
        • 2.Qf5#
        • 2.Qd6#
      • 1...hxg3!
    • 1.Rxf3?
      • threat
        • 2.Qf5#
      • 1...Ke5
        • 2.Qf5#
      • 1...Be5
        • 2.Qc6#
      • 1...Sxf3!
    • 1.Qe6+?
      • 1...Se5
        • 2.Rxh4#
      • 1...Be5!
    • 1.g4?
      • threat
        • 2.Qf5#
      • 1...Ke5
        • 2.Qf5#
      • 1...Be5
        • 2.Qc6#
      • 1...Se5
        • 2.Qxd4#
      • 1...hxg4 ep!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Qd5#
      • 1...Ke5
        • 2.Qe6#
      • 1...Be5
        • 2.Qh7#
      • 1...Se5
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR1(H)
      • Refutation
        • P(e);XS(A)
    • Try
      • R(D);XS(b)
      • Threat
        • QAB1(H)
      • Vars
        • K(d);P-FLIGHT::QAR1(H)
        • B(f);SBLOCK::QAB(H)
      • Refutation
        • S(a);XR(D)
    • Try
      • Q(H);CHECK
      • Vars
        • S(b);P_SPINS(b)::R(D),XP(e)
      • Refutation
        • B(f);P_SPINB(f)
    • Try
      • P(C);
      • Threat
        • QAB1(H)
      • Vars
        • K(d);P-FLIGHT::QAR1(H)
        • B(f);SBLOCK::QAB(H)
        • S(b);N_GUARD,S_CUTB(f)::QAR1(H),XP(c)
      • Refutation
        • P(e);EP,XP(C)
  • Actual
    • B(F);
    • Threat
      • QAB1(H)
    • Vars
      • K(d);P-FLIGHT,S_CUTB(f),S_CUTS(b)::QAR1(H)
      • B(f);SBLOCK::QAB(H)
      • S(b);SBLOCK::B(F)
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