MESON Chess Problem Database

Problem Display
PID: 46291 (1Q6/8/8/8/6R1/8/6r1/R2BK1k1 w Q - 0 1)

Tikhankov, Vladimir Nikolaevich

Azobsktse zorts, 1995

1Q6/8/8/8/6R1/8/6r1/R2BK1k1

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002
136 Problem Observer 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Rxg2+?
      • 1...Kh1
        • 2.Qh2#
      • 1...Kxg2!
    • 1.Qg3?
      • threat
        • 2.Qxg2#
      • 1...Kh1
        • 2.Qxg2#
      • 1...Rxg3!
    • 1.Qh8?
      • 1...Rg3
        • 2.Rxg3#
      • 1...Rxg4!
  • Keys
    • 1.Bf3!
      • 1...Kh1
        • 2.0-0-0#
      • 1...Rxg4
        • 2.Ke2#
      • 1...Rg3
        • 2.Qxg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK,XR(b)
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT,XR(D)
    • Try
      • Q(E);
      • Threat
        • QAR1(E),XR(b)
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAB1(E),XR(b)
      • Refutation
        • R(b);XQ(E)
    • Try
      • Q(E);
      • Vars
        • R(b);OGATEB::R(D),XR(b)
      • Refutation
        • R(b);N_SPINR(b),XR(D)
  • Actual
    • B(B);
    • Vars
      • K(a);P-FLIGHT::0-0-0
      • R(b);N_SPINR(b),XR(D)::R(A)+K(C)
      • R(b);OGATEB::QAR2(E),XR(b)
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