MESON Chess Problem Database

Problem Display
PID: 159878 (8/8/8/8/1B1K4/1P6/bkNp4/1n1Q4 w - - 0 1)

Amirov, Talip Khasanovich

Die Schwalbe, 1966

8/8/8/8/1B1K4/1P6/bkNp4/1n1Q4

#2

5 + 4

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Kc4?
      • 1...Sa3+
        • 2.Bxa3#
      • 1...Sc3
        • 2.Ba3#
        • 2.Bxc3#
      • 1...Bxb3+!
    • 1.Se3?
      • 1...Ka1
        • 2.Bc3#
      • 1...Sa3
        • 2.Bc3#
      • 1...Sc3
        • 2.Sc4#
      • 1...Bxb3!
  • Keys
    • 1.Sa3!
      • 1...Ka1
        • 2.Bc3#
      • 1...Bxb3
        • 2.Qxb1#
      • 1...Sxa3
        • 2.Bc3#
      • 1...Sc3
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);P-FLIGHT,P_SPINP(C)
      • Vars
        • S(a);CHECK,N_GUARD::B(D),XS(a)
      • Refutation
        • B(b);CHECK,XP(C)
    • Try
      • S(B);
      • Vars
        • K(c);P_SPINS(a),S_FLIGHT::B(D)
        • S(a);N_GUARD,SBLOCK::B(D)
        • S(a);::S(B)
      • Refutation
        • B(b);XP(C)
  • Actual
    • S(B);
    • Vars
      • K(c);P_SPINS(a),S_FLIGHT::B(D)
      • B(b);N_GUARD,SBLOCK,XP(C)::QAR1(A),XS(a)
      • S(a);N_GUARD,SBLOCK,XS(B)::B(D)
      • S(a);::S(B)
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