MESON Chess Problem Database

Problem Display
PID: 2617 (8/2p1RP1r/2N3P1/3kN1Rp/1P4p1/8/1K2B3/8 w - - 0 1)

Pierce, James

The Chess Player's Chronicle (Sampson), 1873

8/2p1RP1r/2N3P1/3kN1Rp/1P4p1/8/1K2B3/8

#2

9 + 5

3501 Chess Problems by Pierces 1873

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sd3#
  • Tries
    • 1.Bf3+?
      • 1...Kd6
        • 2.Sc4#
      • 1...gxf3!
    • 1.Bc4+?
      • 1...Kd6
        • 2.Re6#
        • 2.Rd7#
      • 1...Ke4!
    • 1.Bb5?
      • threat
        • 2.Sc4#
      • 1...Kd6
        • 2.Sc4#
      • 1...Rxf7
        • 2.Sxf7#
      • 1...Ke4!
    • 1.Rxg4?
      • threat
        • 2.Rd4#
      • 1...Kd6
        • 2.Rd4#
      • 1...hxg4!
  • Keys
    • 1.b5!
      • threat
        • 2.Sc4#
      • 1...Ke4
        • 2.Sd3#
      • 1...Kc5
        • 2.Sc4#
      • 1...Kd6
        • 2.Sc4#
      • 1...Rxf7
        • 2.Sxf7#

This is a version of 68981

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::R(H)+S(D)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(b);P-FLIGHT::S(D)
      • Refutation
        • P(a);XB(B)
    • Try
      • B(B);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • R(E)+S(D)
      • Vars
        • K(b);P-FLIGHT::S(D)
        • R(e);XP(I)::R(E)+S(D),XR(e)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(E);XP(a)
      • Threat
        • R1(E)
      • Vars
        • K(b);P-FLIGHT::R(E)
      • Refutation
        • P(c);XR(E)
  • Actual
    • P(C);
    • Threat
      • R(E)+S(D)
    • Vars
      • K(b);S_FLIGHT::R(H)+S(D)
      • K(b);P-FLIGHT::R(E)+S(D)
      • K(b);P-FLIGHT::S(D)
      • R(e);XP(I)::R(E)+S(D),XR(e)
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