MESON Chess Problem Database

Problem Display
PID: 278194 (3K4/1Q2B3/2p5/kb6/2p5/P1R5/8/8 w - - 0 1)

Amirov, Talip Khasanovich

Stella Polaris, 1972

3K4/1Q2B3/2p5/kb6/2p5/P1R5/8/8

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Bb4#
    • 1...Ba6
      • 2.Qb4#
  • Tries
    • 1.Bc5?
      • 1...Ba4
        • 2.Bb4#
        • 2.Qb6#
      • 1...Ba6
        • 2.Qb4#
      • 1...Ka4!
  • Keys
    • 1.a4!
      • 1...Kxa4
        • 2.Ra3#
      • 1...Bxa4
        • 2.Bb4#
      • 1...c5
        • 2.Qxb5#
      • 1...Ba6
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(c);SBLOCK::B(D)
    • B(c);OGATE,SBLOCK::QAB1(C)
  • Tries
    • Try
      • B(D);
      • Vars
        • B(c);OGATE,SBLOCK::QAB1(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • P(A);
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(A)::R1(B)
      • B(c);SBLOCK,XP(A)::B(D)
      • P(d);N_GUARD::QAR1(C),XB(c)
      • B(c);OGATE,SBLOCK::QAB1(C)
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