MESON Chess Problem Database

Problem Display
PID: 224454 (2n3B1/8/1p6/8/RPp1k1P1/5N1R/3PNK2/1b6 w - - 0 1)

Shinkman, William Anthony

Philadelphia Times, 1887

2n3B1/8/1p6/8/RPp1k1P1/5N1R/3PNK2/1b6

#2

9 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Bh7#
  • Tries
    • 1.Sc3+?
      • 1...Kd3
        • 2.Bh7#
      • 1...Kf4!
    • 1.Sg3+?
      • 1...Kd3
        • 2.Bh7#
      • 1...Kf4!
    • 1.d3+?
      • 1...Kxd3
        • 2.Bh7#
      • 1...cxd3
        • 2.b5#
      • 1...Bxd3!
  • Keys
    • 1.d4!
      • threat
        • 2.Sd2#
        • 2.Sg5#
      • 1...Kd3
        • 2.Bh7#
      • 1...cxd4 ep
        • 2.b5#
      • 1...c3
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::B(I)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(c);S_FLIGHT::B(I)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(c);S_FLIGHT::B(I)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • P(A);CHECK
      • Vars
        • K(c);S_FLIGHT,XP(A)::B(I)
        • P(b);SBLOCK,S_CUTB(a),XP(A)::R(F)+P(G)
      • Refutation
        • B(a);XP(A)
  • Actual
    • P(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);S_FLIGHT::B(I)
      • P(b);EP,XP(A)::R(F)+P(G)
      • P(b);::S(D)
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