MESON Chess Problem Database

Problem Display
PID: 225348 (8/4p3/6QB/3k4/8/2KN4/8/8 w - - 0 1)

Amirov, Talip Khasanovich

Praca, 1958

8/4p3/6QB/3k4/8/2KN4/8/8

#2

4 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4+?
      • 1...Kc5
        • 2.Qc6#
      • 1...Ke5!
    • 1.Sf4+?
      • 1...Ke5
        • 2.Qe6#
      • 1...Kc5!
    • 1.Be3?
      • 1...e5
        • 2.Sb4#
      • 1...e6!
    • 1.Bf4?
      • 1...e6
        • 2.Qg2#
      • 1...e5!
  • Keys
    • 1.Bf8!
      • 1...e6
        • 2.Qg2#
      • 1...e5
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • P(b);SBLOCK::S(B)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • P(b);SBLOCK::QAB(C)
      • Refutation
        • P(b);
  • Actual
    • B(D);
    • Vars
      • P(b);SBLOCK::QAB(C)
      • P(b);SBLOCK::S(B)
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