MESON Chess Problem Database

Problem Display
PID: 172458 (2R5/1q1k1K2/1BR5/8/4P3/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Vecherni Krasnodar, 1997

2R5/1q1k1K2/1BR5/8/4P3/8/8/8

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc6
      • 2.Rd8#
  • Tries
    • 1.R8c7+?
      • 1...Kd8
        • 2.Rd6#
        • 2.Rxb7#
      • 1...Qxc7!
  • Keys
    • 1.e5!
      • threat
        • 2.e6#
      • 1...Qxc6
        • 2.Rd8#
      • 1...Qxc8
        • 2.Rd6#
      • 1...Qc7
        • 2.R6xc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(a);SBLOCK,XR(C)::R1(E)
  • Tries
    • Try
      • R(E);CHECK
      • Refutation
        • Q(a);XR(E)
  • Actual
    • P(A);
    • Threat
      • P(A)
    • Vars
      • Q(a);SBLOCK,XR(C)::R1(E)
      • Q(a);SBLOCK,XR(E)::R1(C)
      • Q(a);N_GUARD::R1(C),XQ(a)
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