MESON Chess Problem Database

Problem Display
PID: 194158 (5K2/4R3/3p1kp1/3P4/1B2Pp2/5P2/8/8 w - - 0 1)

Janet, Frank

Richmond Advance, 1917

5K2/4R3/3p1kp1/3P4/1B2Pp2/5P2/8/8

#2

6 + 4

6490 yacpdb 2019
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Re6#
  • Tries
    • 1.Be1?
      • 1...g5
        • 2.Re6#
      • 1...Kg5!
    • 1.Bd2?
      • 1...g5
        • 2.Re6#
      • 1...Kg5!
    • 1.Ba3?
      • 1...g5
        • 2.Re6#
      • 1...Kg5!
    • 1.Ba5?
      • 1...g5
        • 2.Re6#
      • 1...Kg5!
    • 1.Bxd6?
      • 1...g5
        • 2.Re6#
      • 1...Kg5!
    • 1.Rf7+?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kg5!
    • 1.Rg7?
      • 1...Ke5
        • 2.Bc3#
      • 1...g5
        • 2.Bc3#
      • 1...Kg5!
    • 1.Re8?
      • 1...g5
        • 2.Re6#
      • 1...Kg5!
  • Keys
    • 1.Re5!
      • 1...Kxe5
        • 2.Bc3#
      • 1...dxe5
        • 2.Be7#
      • 1...g5
        • 2.Re6#

This anticipates 269209(1929)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK::R1(E)
  • Tries
    • Try
      • B(B);
      • Vars
        • P(d);SBLOCK::R1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • P(d);SBLOCK::R1(E)
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT
    • Try
      • B(B);
      • Vars
        • P(d);SBLOCK::R1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • P(d);SBLOCK::R1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);XP(b)
      • Vars
        • P(d);SBLOCK::R1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(c);S_FLIGHT::B(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(c);S_FLIGHT::B(B)
        • P(d);::B(B)
      • Refutation
        • K(c);P_SPINP(d),S_FLIGHT
    • Try
      • R(E);
      • Vars
        • P(d);SBLOCK::R1(E)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(E);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(E)::B(B)
      • P(b);OGATE,SBLOCK,XR(E)::B(B)
      • P(d);SBLOCK::R1(E)
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