MESON Chess Problem Database

Problem Display
PID: 87404 (8/8/1B2pk1K/8/4B3/3Q4/8/8 w - - 0 1)

Vovan, Nguyen

Kudesnik, 2000

8/8/1B2pk1K/8/4B3/3Q4/8/8

#2

4 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qd7?
      • threat
        • 2.Qg7#
      • 1...e5
        • 2.Bd8#
      • 1...Ke5!
    • 1.Qd8+?
      • 1...Kf7
        • 2.Bg6#
      • 1...Ke5!
  • Keys
    • 1.Bg6!
      • 1...Ke5
        • 2.Qd4#
      • 1...Ke7
        • 2.Qd8#
      • 1...e5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • P(a);SBLOCK::B(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • P(a);OGATEB::QAR2(A)
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