MESON Chess Problem Database

Problem Display
PID: 172357 (b3K3/1R6/2kp4/2N5/2Q5/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1997

b3K3/1R6/2kp4/2N5/2Q5/8/8/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb7
      • 2.Sa4#
      • 2.Sd7#
  • Tries
    • 1.Rb5?
      • threat
        • 2.Sb3#
        • 2.Sd3#
        • 2.Sa4#
        • 2.Se4#
        • 2.Sa6#
        • 2.Se6#
        • 2.Sb7#
        • 2.Sd7#
      • 1...Kc7
        • 2.Sa6#
        • 2.Se6#
      • 1...dxc5
        • 2.Qxc5#
      • 1...Bb7
        • 2.Sb3#
        • 2.Sd3#
        • 2.Sa4#
        • 2.Se4#
        • 2.Sa6#
        • 2.Se6#
        • 2.Sxb7#
        • 2.Sd7#
      • 1...d5!
  • Keys
    • 1.Ke7!
      • 1...Bxb7
        • 2.Sa4#
        • 2.Sd7#
      • 1...dxc5
        • 2.Qe4#
      • 1...d5
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • DUALS(8)
      • Vars
        • P(b);OGATE,P_SPINP(b),XS(B)::QAR1(A),XP(b)
      • Refutation
        • P(b);
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • P(b);N_GUARD,P_SPINP(b),SBLOCK,XS(B)::QAB(A)
      • P(b);SBLOCK::QAB1(A)
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