MESON Chess Problem Database

Problem Display
PID: 172477 (8/2p5/K1R3Q1/3kp3/3P4/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 2001

8/2p5/K1R3Q1/3kp3/3P4/8/8/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...exd4
      • 2.Qe6#
  • Tries
    • 1.Qf5?
      • 1...Kxc6
        • 2.Qe6#
      • 1...Kxd4!
  • Keys
    • 1.Qg4!
      • 1...Kxc6
        • 2.Qe6#
      • 1...exd4
        • 2.Qe6#
      • 1...e4
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK,XP(A)::QAB1(D)
  • Tries
    • Try
      • Q(D);P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT,XR(C)::QAR2(D)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT,XP(A)
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT,XR(C)::QAR2(D)
      • P(b);SBLOCK,XP(A)::QAB1(D)
      • P(b);SBLOCK::QAR2(D)
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