MESON Chess Problem Database

Problem Display
PID: 26810 (8/8/3N3R/3B4/3N1kp1/8/QP2K3/8 w - - 0 1)

Bantysh, Nikolai Ivanovich

Die Schwalbe, 2001

8/8/3N3R/3B4/3N1kp1/8/QP2K3/8

#2

7 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Se6+?
      • 1...Kg3
        • 2.Sf5#
        • 2.Qb3#
        • 2.Qa3#
      • 1...Ke5!
    • 1.Sf7?
      • 1...g3
        • 2.Rh4#
      • 1...Kg3!
    • 1.Qb1?
      • 1...Ke5
        • 2.Qe4#
      • 1...Kg5
        • 2.Qc1#
      • 1...g3
        • 2.Qf5#
      • 1...Kg3!
  • Keys
    • 1.Qc4!
      • 1...Kg3
        • 2.S4f5#
      • 1...Ke5
        • 2.Sc6#
      • 1...Kg5
        • 2.Qc1#
      • 1...g3
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • P(b);OGATEB,SBLOCK::R(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB(A)
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::S(D)
      • K(a);S_FLIGHT::QAB(A)
      • P(b);SBLOCK::QAR(A)+S(D)
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