MESON Chess Problem Database

Problem Display
PID: 105384 (8/8/3p4/5K2/1B1k4/1Q3p2/8/b7 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kukin, Gennady

Mezija, 1994

8/8/3p4/5K2/1B1k4/1Q3p2/8/b7

#2

3 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qd1+?
      • 1...Ke3
        • 2.Qd2#
      • 1...Kc4!
    • 1.Qd5+?
      • 1...Ke3
        • 2.Qd2#
      • 1...Kxd5!
    • 1.Qe6?
      • threat
        • 2.Qe4#
      • 1...Kd3
        • 2.Qe4#
      • 1...d5!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qe4#
      • 1...Ke3
        • 2.Qd2#
      • 1...Kd5
        • 2.Qe4#
      • 1...d5
        • 2.Bc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);P-FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(c);P-FLIGHT::QAB1(A)
      • Refutation
        • P(d);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(c);S_FLIGHT::QAB1(A)
      • K(c);P-FLIGHT::QAB1(A)
      • P(d);N_GUARD,SBLOCK::B(B)
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