MESON Chess Problem Database

Problem Display
PID: 245512 (8/2Rp4/Kp3Q2/3k1B2/8/8/8/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

Kudesnik, 2003

8/2Rp4/Kp3Q2/3k1B2/8/8/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rc6?
      • threat
        • 2.Qd6#
      • 1...d6
        • 2.Qxd6#
      • 1...dxc6!
    • 1.Rxd7+?
      • 1...Kc5
        • 2.Qc3#
      • 1...Kc4!
    • 1.Qc3?
      • threat
        • 2.Rxd7#
      • 1...Kd6
        • 2.Rxd7#
      • 1...d6!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Rc4#
        • 2.Qe4#
      • 1...dxe6!
  • Keys
    • 1.Qe7!
      • 1...Kd4
        • 2.Qe4#
      • 1...d6
        • 2.Qe4#
      • 1...b5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • QAR1(C)
      • Vars
        • P(c);::QAR1(C),XP(c)
      • Refutation
        • P(c);XR(D)
    • Try
      • R(D);CHECK,XP(c)
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • R(D),XP(c)
      • Vars
        • K(a);P-FLIGHT::R1(D),XP(c)
      • Refutation
        • P(c);
    • Try
      • Q(C);CHECK
      • Refutation
        • P(c);XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • P(c);SBLOCK::QAB1(C)
      • P(b);N_GUARD::QAR1(C)
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