MESON Chess Problem Database

Problem Display
PID: 274583 (KQ6/3p4/p4p2/P2k1p2/PB1p1P1N/R2p2R1/3p4/3B4 w - - 0 1)

Oltean, Gligor

Buletin Problemistic, 1998

KQ6/3p4/p4p2/P2k1p2/PB1p1P1N/R2p2R1/3p4/3B4

#2

10 + 8

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Bb3#
    • 1...Kc6
      • 2.Qd6#
      • 2.Qb7#
    • 1...Ke6
      • 2.Qg8#
  • Tries
    • 1.Sg2?
      • 1...Kc4
        • 2.Bb3#
      • 1...Ke4
        • 2.Bf3#
      • 1...Kc6
        • 2.Qd6#
        • 2.Qb7#
      • 1...Ke6
        • 2.Qg8#
      • 1...d6!
    • 1.Bb3+?
      • 1...Kc6
        • 2.Qd6#
        • 2.Qb6#
        • 2.Qb7#
        • 2.Qc8#
      • 1...Ke4!
    • 1.Bf3+?
      • 1...Ke6
        • 2.Qe8#
        • 2.Qg8#
      • 1...Kc4!
    • 1.Qe5+?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qd6#
        • 2.Qc5#
      • 1...fxe5!
    • 1.Qd6+?
      • 1...Kc4
        • 2.Bb3#
        • 2.Qc5#
      • 1...Ke4!
    • 1.Qb7+?
      • 1...Kc4
        • 2.Bb3#
      • 1...Ke6!
    • 1.Qc8?
      • 1...Ke6
        • 2.Bb3#
        • 2.Qg8#
      • 1...d6
        • 2.Bf3#
      • 1...Ke4!
    • 1.Qg8+?
      • 1...Kc6
        • 2.Qc4#
      • 1...Ke4!
  • Keys
    • 1.Bd6!
      • 1...Kc4
        • 2.Qb3#
        • 2.Qg8#
      • 1...Ke4
        • 2.Qb7#
      • 1...Kc6
        • 2.Bf3#
      • 1...Ke6
        • 2.Bb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(d);N_GUARD,S_FLIGHT::B(A)
    • K(d);N_GUARD,S_FLIGHT::QAB(J)
  • Tries
    • Try
      • S(G);
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(A)
        • K(d);N_GUARD,S_FLIGHT::QAB(J)
      • Refutation
        • P(h);
    • Try
      • B(A);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(A);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(J);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::QAR1(J)
      • Refutation
        • P(g);XQ(J)
    • Try
      • Q(J);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(J);CHECK
      • Vars
        • K(d);S_FLIGHT::B(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(J);
      • Vars
        • P(h);::B(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(J);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::QAR2(J)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(d);N_GUARD,S_FLIGHT::QAB(J)
      • K(d);N_GUARD,S_FLIGHT::B(A)
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