MESON Chess Problem Database

Problem Display
PID: 233014 (K1B1Q3/8/3k4/1Pp1N3/8/8/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2009

K1B1Q3/8/3k4/1Pp1N3/8/8/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sf3?
      • threat
        • 2.Qd7#
        • 2.Qe5#
        • 2.Qd8#
      • 1...Kd5
        • 2.Qe6#
      • 1...c4
        • 2.Qe5#
      • 1...Kc7!
    • 1.Sc4+?
      • 1...Kc7
        • 2.Qd7#
        • 2.b6#
      • 1...Kd5!
    • 1.Sf7+?
      • 1...Kc7
        • 2.Qc6#
        • 2.Qd8#
      • 1...Kd5!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qd7#
        • 2.Qe5#
        • 2.Qd8#
      • 1...Kd5
        • 2.Qe6#
      • 1...Kc7
        • 2.Qd8#
      • 1...c4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(3)
      • Vars
        • K(b);P-FLIGHT::QAB1(E)
        • P(a);::QAB1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(B);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(B);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • DUALS(3)
    • Vars
      • K(b);P-FLIGHT::QAB1(E)
      • K(b);S_FLIGHT::QAB1(E)
      • P(a);::QAB1(E)
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