MESON Chess Problem Database

Problem Display
PID: 46621 (5B2/p3r2b/KP1N1bQ1/3p4/k7/2R5/1R6/7B w - - 0 1)

Wester, Anders Emil

Problemnoter, 0000

5B2/p3r2b/KP1N1bQ1/3p4/k7/2R5/1R6/7B

#2

8 + 6

4885 Amatorproblem 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Re8
      • 2.Qxe8#
    • 1...Bg8
      • 2.Qc2#
    • 1...d4
      • 2.Bc6#
  • Tries
    • 1.Sb5?
      • threat
        • 2.Ra3#
      • 1...Re3
        • 2.Ra2#
        • 2.Rb4#
      • 1...Bxc3!
    • 1.Qe8+?
      • 1...Rd7
        • 2.Qxd7#
      • 1...Rxe8!
    • 1.Qg4+?
      • 1...Re4
        • 2.Qd1#
        • 2.Qd7#
      • 1...Bd4
        • 2.Qxd4#
      • 1...d4
        • 2.Bc6#
      • 1...Be4!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Ra3#
      • 1...Bxc3
        • 2.Qc6#
      • 1...dxc4
        • 2.Bc6#
      • 1...Re3
        • 2.Ra2#
        • 2.Rb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(e);N_GUARD::QAB(G),XR(e)
    • B(f);N_GUARD::QAB(G)
    • P(b);OGATE::B(A)
  • Tries
    • Try
      • S(F);
      • Threat
        • R1(C)
      • Refutation
        • B(c);XR(C)
    • Try
      • Q(G);CHECK
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::QAB(G),XR(e)
      • Refutation
        • R(e);XQ(G)
    • Try
      • Q(G);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAR(G),XB(c)
        • P(b);OGATE,P_SPINP(b)::B(A)
      • Refutation
        • B(f);P_SPINB(f)
  • Actual
    • S(F);
    • Threat
      • R1(C)
    • Vars
      • B(c);OGATE,XR(C)::QAB(G)
      • P(b);OGATE,XS(F)::B(A)
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