MESON Chess Problem Database

Problem Display
PID: 110493 (8/6p1/6Bb/8/QB3N1k/7P/4PN2/5K2 w - - 0 1)

Szugyi, Gyula

Dunaujvarosi TS, 1964-1965

8/6p1/6Bb/8/QB3N1k/7P/4PN2/5K2

#2

8 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kg5
      • 2.Be7#
  • Tries
    • 1.Kg2?
      • 1...Kg5
        • 2.Be7#
      • 1...Bxf4
        • 2.Be7#
      • 1...Bg5!
    • 1.Sh1?
      • 1...Kg5
        • 2.Be7#
      • 1...Bg5
        • 2.Be1#
      • 1...Bxf4!
    • 1.Sg4?
      • 1...Kg3
        • 2.Be1#
      • 1...Kg5
        • 2.Be7#
      • 1...Bg5
        • 2.Be1#
      • 1...Bxf4!
    • 1.Be1?
      • threat
        • 2.Se4#
      • 1...Kg3
        • 2.Sg4#
      • 1...Bxf4
        • 2.Qxf4#
      • 1...Kg5!
    • 1.Be7+?
      • 1...Bg5
        • 2.Sh5#
      • 1...Kg3!
  • Keys
    • 1.Bd6!
      • 1...Kg3
        • 2.Sh5#
      • 1...Kg5
        • 2.Be7#
      • 1...Bxf4
        • 2.Qxf4#
      • 1...Bg5
        • 2.Sg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(F)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(F)
        • B(b);N_GUARD,XS(G)::B(F)
      • Refutation
        • B(b);
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(F)
        • B(b);SBLOCK::B(F)
      • Refutation
        • B(b);XS(G)
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(F)
        • B(b);SBLOCK::B(F)
      • Refutation
        • B(b);XS(G)
    • Try
      • B(F);
      • Threat
        • B(F)+S(C)
      • Vars
        • K(a);S_FLIGHT::B(F)+S(C)
        • B(b);OGATE,P_SPINB(b),XS(G)::QAR2(E),XB(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);CHECK
      • Vars
        • B(b);P_SPINB(b)::QAR(E)+S(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(F);
    • Vars
      • K(a);S_FLIGHT::B(F)+S(G),DCHECK
      • K(a);S_FLIGHT::B(F)
      • B(b);OGATE,P_SPINB(b),XS(G)::QAR2(E),XB(b)
      • B(b);SBLOCK::QAR(E)+S(G),DCHECK
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