MESON Chess Problem Database

Problem Display
PID: 55150 (b1B3Q1/6PK/8/4N3/1R1PkP1R/2pp1p2/2qpnP2/8 w - - 0 1)

Zigman, Matyaz

5th Prize=, Problem TT, 1971

b1B3Q1/6PK/8/4N3/1R1PkP1R/2pp1p2/2qpnP2/8

#2

10 + 8

56 The Problemist 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.d5#
      • 2.f5#
    • 1...Sg1
      • 2.d5#
      • 2.f5#
    • 1...Sg3
      • 2.d5#
      • 2.f5#
  • Tries
    • 1.Kg6?
      • threat
        • 2.Bf5#
      • 1...Sg3
        • 2.d5#
        • 2.f5#
      • 1...Sxf4+!
    • 1.Sxd3?
      • threat
        • 2.Sc5#
      • 1...Qxd3
        • 2.Qe6#
      • 1...Kxd3!
    • 1.Sd7?
      • threat
        • 2.Sc5#
        • 2.Sf6#
        • 2.Qe6#
      • 1...Qb3
        • 2.Sc5#
        • 2.Sf6#
      • 1...Qa2
        • 2.Sc5#
        • 2.Sf6#
      • 1...Bd5
        • 2.Sc5#
        • 2.Sf6#
      • 1...Kf5!
    • 1.Bb7+?
      • 1...Kf5
        • 2.Qf7#
      • 1...Bxb7!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Bf5#
      • 1...Sg3
        • 2.d5#
        • 2.f5#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Threat
        • B(I)
      • Refutation
        • S(c);CHECK,P_SPINS(c),XP(D)
    • Try
      • S(F);XP(e)
      • Threat
        • S(F)
      • Vars
        • Q(a);SBLOCK,XS(F)::QAR2(J)
      • Refutation
        • K(g);S_FLIGHT,XS(F)
    • Try
      • S(F);
      • Threat
        • DUALS(3)
      • Refutation
        • K(g);S_FLIGHT
    • Try
      • B(I);CHECK
      • Vars
        • K(g);S_FLIGHT::QAR2(J)
      • Refutation
        • B(h);XB(I)
  • Actual
    • Q(J);
    • Threat
      • B(I)
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