MESON Chess Problem Database

Problem Display
PID: 172424 (5Q1n/8/6kp/8/5PB1/7K/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1997

5Q1n/8/6kp/8/5PB1/7K/8/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...h5
      • 2.Bf5#
  • Tries
    • 1.Bh5+?
      • 1...Kxh5
        • 2.Qf5#
      • 1...Kh7!
  • Keys
    • 1.Be6!
      • 1...Kh5
        • 2.Qf5#
      • 1...Kh7
        • 2.Qg8#
      • 1...Sf7
        • 2.Qxf7#
      • 1...h5
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT,XB(C)::QAR2(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::QAR2(D)
      • K(a);S_FLIGHT::QAB1(D)
      • S(c);N_GUARD::QAB1(D),XS(c)
      • P(b);SBLOCK::B(C)
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