MESON Chess Problem Database

Problem Display
PID: 46032 (8/8/8/4p3/4N1k1/6P1/8/2Q1K2R w K - 0 1)

Shumarin, Vladimir Pavlovich

Uralski Problemist, 2002

8/8/8/4p3/4N1k1/6P1/8/2Q1K2R

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Rf1?
      • 1...Kh5
        • 2.Qg5#
      • 1...Kh3!
    • 1.Rh5?
      • threat
        • 2.Qd1#
      • 1...Kxh5
        • 2.Qg5#
      • 1...Kf3!
    • 1.Qb2?
      • 1...Kf3
        • 2.Qe2#
      • 1...Kf5!
    • 1.Qd2?
      • 1...Kf3
        • 2.Qe2#
      • 1...Kf5!
    • 1.Qc2?
      • 1...Kf3
        • 2.Qe2#
      • 1...Kf5!
    • 1.Qc4?
      • 1...Kf3
        • 2.Qe2#
      • 1...Kf5!
  • Keys
    • 1.0-0!
      • 1...Kh3
        • 2.Qc8#
      • 1...Kh5
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);
      • Threat
        • QAB(A)
      • Vars
        • K(a);S_FLIGHT,XR(C)::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(B);0-0
    • Vars
      • K(a);S_FLIGHT::QAB(A)
      • K(a);S_FLIGHT::QAR1(A)
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