MESON Chess Problem Database

Problem Display
PID: 172436 (8/p7/8/k1K5/bp6/R7/8/6Q1 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1997

8/p7/8/k1K5/bp6/R7/8/6Q1

#2

3 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Kc4?
      • threat
        • 2.Qxa7#
      • 1...a6
        • 2.Qc5#
      • 1...Ka6!
    • 1.Qe1?
      • 1...a6
        • 2.Qxb4#
      • 1...Ka6!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qxa7#
      • 1...Ka6
        • 2.Rxa4#
      • 1...a6
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • QAR2(A),XP(d)
      • Vars
        • P(d);SBLOCK::QAR2(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);P_PINP(b)
      • Vars
        • P(d);SBLOCK::QAB1(A),XP(b)
      • Refutation
        • K(c);N_SPINP(b),P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR2(A),XP(d)
    • Vars
      • K(c);P-FLIGHT::R(B),XB(a)
      • P(d);SBLOCK::QAB(A)
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