MESON Chess Problem Database

Problem Display
PID: 202254 (n7/2p5/1pR5/1R6/3k4/5K2/8/8 w - - 0 1)

Renaud, Georges

Chess Amateur (The), 1923

n7/2p5/1pR5/1R6/3k4/5K2/8/8

#2

3 + 4

6490 yacpdb 2020
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Rd5#
  • Tries
    • 1.Rf5?
      • 1...Kd3
        • 2.Rd5#
      • 1...b5!
    • 1.Rg5?
      • 1...Kd3
        • 2.Rd5#
      • 1...b5!
    • 1.Rh5?
      • 1...Kd3
        • 2.Rd5#
      • 1...b5!
    • 1.Rxc7?
      • 1...Kd3
        • 2.Rd5#
      • 1...Sxc7!
  • Keys
    • 1.Ke2!
      • 1...Ke4
        • 2.Rc4#

This anticipates 22387(1926), 71669(1930)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::R(B)
  • Tries
    • Try
      • R(B);
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(b);
    • Try
      • R(C);XP(c)
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • S(d);XR(C)
  • Actual
    • K(A);S_FLIGHT
    • Vars
      • K(a);P-FLIGHT::R(C)
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