MESON Chess Problem Database

Problem Display
PID: 33034 (3R1B2/1K3P2/3N4/3k2PR/5b2/3B2p1/1P4P1/3Q4 w - - 0 1)

Tuxen, Harri Viggo

De Problemist, 1929

3R1B2/1K3P2/3N4/3k2PR/5b2/3B2p1/1P4P1/3Q4

#2

11 + 3

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Se4#
  • Tries
    • 1.Bc4+?
      • 1...Ke5
        • 2.Bg7#
        • 2.Re8#
        • 2.Qd5#
      • 1...Kc5!
    • 1.Be4+?
      • 1...Ke5
        • 2.Re8#
        • 2.Qd5#
      • 1...Ke6
        • 2.Qd5#
      • 1...Kc5!
    • 1.Qb3+?
      • 1...Kc5
        • 2.Se4#
        • 2.Qc4#
      • 1...Ke5
        • 2.Bg7#
      • 1...Kd4!
  • Keys
    • 1.Qg4!
      • 1...Kd4
        • 2.Sc4#
      • 1...Kc5
        • 2.Se4#
      • 1...Ke5
        • 2.Sc4#
      • 1...Bxg5
        • 2.Sc4#
        • 2.Rxg5#
      • 1...Bxd6
        • 2.g6#
      • 1...Bd2
        • 2.Sc4#
      • 1...Bc1
        • 2.Sc4#
      • 1...Be3
        • 2.Sc4#
      • 1...Be5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::B(K)+S(G),DCHECK
  • Tries
    • Try
      • B(D);CHECK
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT::B(K)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(c);P-FLIGHT,P_SPINB(b)::R(J)+S(G)
      • K(c);P-FLIGHT::B(K)+S(G),DCHECK
      • K(c);P-FLIGHT::S(G)
      • B(b);N_GUARD,P_SPINB(b),XS(G)::R(F)+P(E)
      • B(b);N_GUARD::R(J)+S(G)
      • B(b);OGATE,SBLOCK::QAB1(A)
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