MESON Chess Problem Database

Problem Display
PID: 107291 (6B1/8/1bp1p3/6P1/3k4/PQ4BR/5PP1/2K2b2 w - - 0 1)

Grudzinski, Henryk

Pituk-90 JT, 1994

6B1/8/1bp1p3/6P1/3k4/PQ4BR/5PP1/2K2b2

#2

9 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Rh4#
    • 1...c5
      • 2.Rh4#
    • 1...e5
      • 2.Qe3#
  • Tries
    • 1.Bxe6?
      • threat
        • 2.Qe3#
      • 1...Ke4
        • 2.Rh4#
      • 1...Kc5
        • 2.Qb4#
      • 1...Bd3!
    • 1.Qe3+?
      • 1...Kd5
        • 2.Bxe6#
      • 1...Kc4!
  • Keys
    • 1.Qxe6!
      • threat
        • 2.Qe3#
      • 1...Kc3
        • 2.Be5#
      • 1...Kd3
        • 2.Qc4#
      • 1...Kc5
        • 2.Qe5#
      • 1...Bd3
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • B(c);SBLOCK::R(G)
    • P(d);SBLOCK::R(G)
    • P(e);::QAB1(E)
  • Tries
    • Try
      • B(I);XP(e)
      • Threat
        • QAB1(E)
      • Vars
        • K(b);P-FLIGHT::R(G)
        • K(b);S_FLIGHT::QAB1(E)
      • Refutation
        • B(a);
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);P-FLIGHT,P_SPINP(e)::B(I),XP(e)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(e)
  • Actual
    • Q(E);XP(e)
    • Threat
      • QAB1(E)
    • Vars
      • K(b);S_FLIGHT::R(G)+B(F),DCHECK
      • K(b);P-FLIGHT::QAB1(E)
      • K(b);S_FLIGHT::QAR2(E)
      • B(a);SBLOCK::QAB1(E)
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