MESON Chess Problem Database

Problem Display
PID: 245488 (8/1K1pp1B1/R7/3k4/8/8/2Q5/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

Kudesnik, 2001

8/1K1pp1B1/R7/3k4/8/8/2Q5/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kc7?
      • 1...e5
        • 2.Rd6#
      • 1...e6
        • 2.Ra5#
        • 2.Rd6#
      • 1...d6!
    • 1.Ra5+?
      • 1...Ke6
        • 2.Qg6#
      • 1...Kd6!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Qd3#
        • 2.Qg2#
        • 2.Qc4#
      • 1...dxc6
        • 2.Qxc6#
      • 1...d6
        • 2.Qc4#
      • 1...e5
        • 2.Qd3#
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(c);N_GUARD::R1(B)
      • Refutation
        • P(b);
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(B);
    • Threat
      • DUALS(3)
    • Vars
      • P(b);OGATE,XR(B)::QAB1(A),XP(b)
      • P(b);::QAB1(A)
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