MESON Chess Problem Database

Problem Display
PID: 222465 (3R4/B7/5P1p/N1ppkB1P/6K1/1P6/3P4/8 w - - 0 1)

Gold, Samuel

Philadelphia Times, 1883

3R4/B7/5P1p/N1ppkB1P/6K1/1P6/3P4/8

#2

9 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sc6#
  • Tries
    • 1.Bxc5?
      • 1...d4
        • 2.Bxd4#
      • 1...Kxf6!
    • 1.Bb8+?
      • 1...Kd4
        • 2.Sc6#
      • 1...Kxf6!
    • 1.Re8+?
      • 1...Kd4
        • 2.Sc6#
      • 1...Kd6
        • 2.Bb8#
      • 1...Kxf6!
  • Keys
    • 1.Rd6!
      • 1...Kd4
        • 2.Sc6#
      • 1...Kxd6
        • 2.Bb8#
      • 1...c4
        • 2.Re6#
      • 1...d4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINP(a),S_FLIGHT::S(D)
  • Tries
    • Try
      • B(H);XP(a)
      • Vars
        • P(b);::B(H),XP(b)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
    • Try
      • B(H);CHECK
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::S(D)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
    • Try
      • R(I);CHECK
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT::S(D)
        • K(c);S_FLIGHT::B(H)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
  • Actual
    • R(I);
    • Vars
      • K(c);P_SPINP(a),S_FLIGHT::S(D)
      • K(c);OGATEB,S_FLIGHT,XR(I)::B(H)
      • P(a);::R1(I)
      • P(b);N_GUARD::S(D)
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