MESON Chess Problem Database

Problem Display
PID: 28299 (8/2KQ1p2/8/4kpr1/1B3N2/5p2/3P4/8 w - - 0 1)

Maximov, Nikolai J

Shakhmatny Zhurnal, 1894

8/2KQ1p2/8/4kpr1/1B3N2/5p2/3P4/8

#2

5 + 5

3242 BCPS Rapid Solving (Cheltenham) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Bc3#
      • 2.Qd4#
  • Tries
    • 1.Bc3+?
      • 1...Ke4
        • 2.Qa4#
        • 2.Qd4#
      • 1...Kxf4!
    • 1.Bc5?
      • threat
        • 2.Qd4#
      • 1...Ke4
        • 2.Qd4#
      • 1...Kf6
        • 2.Bd4#
        • 2.Qd4#
      • 1...Kxf4!
    • 1.Bd6+?
      • 1...Kd4
        • 2.Qa4#
      • 1...Ke4
        • 2.Qa4#
      • 1...Kf6!
    • 1.Qd5+?
      • 1...Kf6
        • 2.Qd4#
      • 1...Kxf4!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Bc3#
      • 1...Kd4
        • 2.Bd6#
      • 1...Ke4
        • 2.Bc3#
        • 2.Bd6#
      • 1...Kxf4
        • 2.Bd6#
      • 1...Kf6
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • K(b);S_FLIGHT,XS(C)
    • Try
      • B(B);
      • Threat
        • QAB1(E)
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT,XS(C)
    • Try
      • B(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR(E)
        • K(b);P-FLIGHT::QAR(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(E)
      • Refutation
        • K(b);S_FLIGHT,XS(C)
  • Actual
    • Q(E);
    • Threat
      • B(B)
    • Vars
      • K(b);S_FLIGHT::QAR(E)+B(B)
      • K(b);S_FLIGHT,XS(C)::QAR(E)+B(B),DCHECK
      • K(b);S_FLIGHT::QAB(E)
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