MESON Chess Problem Database

Problem Display
PID: 99485 (7K/4p3/4P3/8/n2k1N2/B2P1R2/2BR3Q/8 w - - 0 1)

Bakcsi, Gyorgy

HM., Magyar Sakkszovetseg, 1966

7K/4p3/4P3/8/n2k1N2/B2P1R2/2BR3Q/8

#2

9 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Bb2#
  • Tries
    • 1.Bb3?
      • threat
        • 2.Se2#
      • 1...Kc3
        • 2.d4#
      • 1...Ke5
        • 2.Se2#
      • 1...Sc3!
    • 1.Qf2+?
      • 1...Kc3
        • 2.Sd5#
      • 1...Ke5!
    • 1.Qh5?
      • threat
        • 2.Se2#
      • 1...Sc3
        • 2.Bc5#
        • 2.Qc5#
      • 1...Kc3!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qg7#
      • 1...Kc3
        • 2.Se2#
      • 1...Ke5
        • 2.d4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD,SBLOCK::B(D)
  • Tries
    • Try
      • B(A);
      • Threat
        • S(G)
      • Vars
        • K(b);OGATE,S_FLIGHT::R(F)+P(E)
        • K(b);S_FLIGHT::QAB(C)+S(G)
      • Refutation
        • S(a);
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);S_FLIGHT::S(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • S(G)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAB(C)
    • Vars
      • K(b);S_FLIGHT::S(G)
      • K(b);OGATE,S_FLIGHT::P(E)
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