MESON Chess Problem Database

Problem Display
PID: 950 (8/8/2R5/5K2/7Q/3kp3/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Saks, Oleg Pavlovich

The Problemist Supplement, 1994

8/8/2R5/5K2/7Q/3kp3/8/8

#2

3 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Rc2?
      • threat
        • 2.Qc4#
        • 2.Qe4#
      • 1...e2
        • 2.Qe4#
      • 1...Kxc2!
    • 1.Qh2?
      • 1...Kd4
        • 2.Qd6#
      • 1...e2!
    • 1.Qb4?
      • 1...e2
        • 2.Qc3#
      • 1...Ke2!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qd1#
      • 1...Kd4
        • 2.Qd1#
      • 1...e2
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • K(a);P-FLIGHT::QAR(A)
      • P(b);SBLOCK::QAR1(A)
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