MESON Chess Problem Database

Problem Display
PID: 86569 (2K4B/7B/1Pkp4/8/1Q6/8/8/8 w - - 0 1)

Melnichenko, Viktor Oleksandrovich

Smena, 1996

2K4B/7B/1Pkp4/8/1Q6/8/8/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bc2?
      • 1...d5
        • 2.Ba4#
      • 1...Kd5!
    • 1.Bd3?
      • threat
        • 2.Qb5#
      • 1...Kd5
        • 2.Qc4#
      • 1...d5!
    • 1.Bg6?
      • 1...d5
        • 2.Be8#
      • 1...Kd5!
    • 1.Bd4?
      • threat
        • 2.Qc4#
      • 1...d5
        • 2.Qc5#
      • 1...Kd5!
    • 1.b7?
      • 1...d5
        • 2.b8S#
      • 1...Kd5!
  • Keys
    • 1.Bf5!
      • 1...Kd5
        • 2.Qb5#
      • 1...d5
        • 2.Bd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • P(b);SBLOCK::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • P(b);SBLOCK::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Threat
        • QAR2(A)
      • Vars
        • P(b);N_GUARD::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(B);
      • Vars
        • P(b);SBLOCK::P=S
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
      • P(b);SBLOCK::B(C)
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