MESON Chess Problem Database

Problem Display
PID: 206799 (8/1B6/2N1p3/4P1P1/1N2k3/1P2P3/3P2R1/K7 w - - 0 1)

Keller, Adolf C

New York Clipper, 1870

8/1B6/2N1p3/4P1P1/1N2k3/1P2P3/3P2R1/K7

#2

10 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Sd4#
      • 2.Sa5#
      • 2.Sa7#
      • 2.Se7#
      • 2.Sb8#
      • 2.Sd8#
  • Tries
    • 1.Kb1?
      • 1...Kf3
        • 2.Sd4#
        • 2.Sa5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...Kf5!
    • 1.Ka2?
      • 1...Kf3
        • 2.Sd4#
        • 2.Sa5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...Kf5!
    • 1.Kb2?
      • 1...Kf3
        • 2.Sd4#
        • 2.Sa5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...Kf5!
    • 1.Ba6?
      • 1...Kf5
        • 2.Bd3#
      • 1...Kf3!
    • 1.Ba8?
      • 1...Kf3
        • 2.Sd4#
        • 2.Sa5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...Kf5!
    • 1.g6?
      • 1...Kf3
        • 2.Sd4#
        • 2.Sa5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...Kf5!
  • Keys
    • 1.Sd3!
      • 1...Kxd3
        • 2.Sb4#
      • 1...Kf3
        • 2.Scb4#
        • 2.Sd4#
        • 2.Sa5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...Kd5
        • 2.Scb4#
        • 2.Sd4#
        • 2.Sa5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...Kf5
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(J);
      • Vars
        • K(a);S_FLIGHT::B(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(J);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(H);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(a);S_FLIGHT,XS(F)::S(I)
      • K(a);S_FLIGHT::S(I)
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