MESON Chess Problem Database

Problem Display
PID: 172362 (1K1B4/1p6/kN6/4R3/8/8/3p4/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1997

1K1B4/1p6/kN6/4R3/8/8/3p4/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sa4?
      • threat
        • 2.Ra5#
      • 1...b5
        • 2.Sc5#
        • 2.Re6#
      • 1...b6!
    • 1.Sc4?
      • threat
        • 2.Ra5#
      • 1...b5
        • 2.Re6#
      • 1...b6!
    • 1.Sd7?
      • threat
        • 2.Ra5#
      • 1...b5
        • 2.Sc5#
        • 2.Re6#
      • 1...b6!
    • 1.Sc8?
      • threat
        • 2.Ra5#
      • 1...b5
        • 2.Re6#
      • 1...b6!
  • Keys
    • 1.Sa8!
      • threat
        • 2.Ra5#
      • 1...b5
        • 2.Re6#
      • 1...b6
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • R1(A)
      • Refutation
        • P(c);
    • Try
      • S(B);
      • Threat
        • R1(A)
      • Vars
        • P(c);N_GUARD,SBLOCK::R(A)
      • Refutation
        • P(c);
    • Try
      • S(B);
      • Threat
        • R1(A)
      • Refutation
        • P(c);
    • Try
      • S(B);
      • Threat
        • R1(A)
      • Vars
        • P(c);N_GUARD,SBLOCK::R(A)
      • Refutation
        • P(c);
  • Actual
    • S(B);
    • Threat
      • R1(A)
    • Vars
      • P(c);N_GUARD,SBLOCK::R(A)
      • P(c);SBLOCK::S(B)
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