MESON Chess Problem Database

Problem Display
PID: 154957 (1R5Q/3B1p2/2PknR2/3N4/8/2N3K1/1B6/8 w - - 0 1)

Kaiser, Julius Adam

Philadelphia Times, 1885

(First published on Sun Jun 14 1885)

1R5Q/3B1p2/2PknR2/3N4/8/2N3K1/1B6/8

#2

9 + 3

14907 Good Companion Chess Problem Club 1915

SOLUTION

  • SOUND
  • Tries
    • 1.Kg4?
      • 1...Ke5
        • 2.Rxe6#
      • 1...Kc5!
    • 1.Rf5?
      • threat
        • 2.Se4#
      • 1...Sc5
        • 2.Sb5#
        • 2.Qe5#
        • 2.Qf8#
      • 1...Sg5
        • 2.Ba3#
        • 2.Qf8#
      • 1...Kc5!
    • 1.Rxe6+?
      • 1...fxe6
        • 2.Ba3#
      • 1...Kc5!
    • 1.Qh4?
      • 1...Kc5
        • 2.Ba3#
        • 2.Qb4#
      • 1...Ke5!
  • Keys
    • 1.Se3!
      • 1...Kc5
        • 2.Se4#
      • 1...Ke5
        • 2.Rxe6#
      • 1...Kc7
        • 2.Sb5#
      • 1...Ke7
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB(I)+R(F),DCHECK,XS(b)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(F);N_PINS(b)
      • Threat
        • S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK,XS(b)
      • Vars
        • P(c);XR(F)::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(I);
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);N_SPINS(b),S_FLIGHT::S(B)
      • K(a);N_SPINS(b),S_FLIGHT::QAB(I)+R(F),DCHECK,XS(b)
      • K(a);N_SPINS(b),S_FLIGHT::S(D)
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