MESON Chess Problem Database

Problem Display
PID: 117074 (8/6p1/4P2p/4P1k1/3P3p/2B1K1pP/1p2B1P1/1Q6 w - - 0 1)

Krizhanivsky, Vasil Viktorovich

Koster, 1990

8/6p1/4P2p/4P1k1/3P3p/2B1K1pP/1p2B1P1/1Q6

#2

9 + 6

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Kf3?
      • 1...Kh5
        • 2.Kf4#
      • 1...h5
        • 2.Bd2#
      • 1...g6!
    • 1.Ke4?
      • 1...Kg6
        • 2.Kf4#
      • 1...g6
        • 2.Bd2#
      • 1...h5!
    • 1.Bh5?
      • threat
        • 2.Qg6#
      • 1...g6
        • 2.Qxg6#
      • 1...Kxh5!
  • Keys
    • 1.Bd2!
      • 1...h5
        • 2.Kf3#
      • 1...g6
        • 2.Ke4#

Anticipated by 147312(1984)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(d);P-FLIGHT::B(B)+K(E)
        • P(e);SBLOCK::B(D)
      • Refutation
        • P(f);
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(d);P-FLIGHT::QAB(A)+K(E)
        • P(f);SBLOCK::B(D)
      • Refutation
        • P(e);
    • Try
      • B(B);
      • Threat
        • QAR1(A)
      • Vars
        • P(f);::QAR1(A),XP(f)
      • Refutation
        • K(d);P-FLIGHT,XB(B)
  • Actual
    • B(D);
    • Vars
      • P(e);SBLOCK::B(D)+K(E)
      • P(f);SBLOCK::B(D)+K(E)
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