MESON Chess Problem Database

Problem Display
PID: 172332 (2K5/1p6/2kN4/8/1Q6/1P6/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Vecherni Krasnodar, 1996

2K5/1p6/2kN4/8/1Q6/1P6/8/8

#2

4 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Se4?
      • threat
        • 2.Qc5#
        • 2.Qxb7#
      • 1...b5
        • 2.Qc5#
        • 2.Qd6#
      • 1...b6
        • 2.Qc4#
      • 1...Kd5!
    • 1.Sf5?
      • threat
        • 2.Se7#
      • 1...b5
        • 2.Qd6#
      • 1...Kd5!
    • 1.Se8?
      • 1...b5
        • 2.Qd6#
      • 1...b6
        • 2.Qc4#
      • 1...Kd5!
  • Keys
    • 1.Sf7!
      • 1...Kd5
        • 2.Qc4#
      • 1...b5
        • 2.Qd6#
      • 1...b6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);SBLOCK::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • P(b);SBLOCK::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • P(b);SBLOCK::QAR1(B)
        • P(b);SBLOCK::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • P(b);SBLOCK::QAR1(B)
      • P(b);SBLOCK::QAR2(B)
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