MESON Chess Problem Database

Problem Display
PID: 105383 (4K3/8/p7/1kP5/3Q4/8/1N6/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Torre & Cavallo - Scacco!, 2000

4K3/8/p7/1kP5/3Q4/8/1N6/8

#2

4 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Qa4#
  • Tries
    • 1.Sd3?
      • 1...Ka5
        • 2.Qb4#
      • 1...Kc6
        • 2.Qd7#
      • 1...a5!
    • 1.Qc4+?
      • 1...Ka5
        • 2.Qa4#
      • 1...Kc6!
    • 1.Qd6?
      • threat
        • 2.Qb6#
      • 1...Ka5
        • 2.Qb6#
      • 1...Kb4!
  • Keys
    • 1.Kd7!
      • 1...Ka5
        • 2.Qa4#
      • 1...a5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR1(B)
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(D);S_FLIGHT
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
      • P(b);SBLOCK::QAB1(B)
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