MESON Chess Problem Database

Problem Display
PID: 22387 (8/8/2p5/2R5/3k4/5K2/8/2R5 w - - 0 1)

Schonberger, Tibor

Szentgyorgy, Erno

Magyar Sakkvilag, 1926

8/8/2p5/2R5/3k4/5K2/8/2R5

#2

3 + 2

3295 Einfuhrung in die Welt des Schachproblem 1984
3713 Snap 2007
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Rd1#
  • Tries
    • 1.Ra1?
      • 1...Kd3
        • 2.Rd1#
      • 1...Kxc5!
    • 1.Rb1?
      • 1...Kd3
        • 2.Rd1#
      • 1...Kxc5!
    • 1.Re1?
      • 1...Kd3
        • 2.Rd1#
      • 1...Kxc5!
    • 1.Rf1?
      • 1...Kd3
        • 2.Rd1#
      • 1...Kxc5!
    • 1.Rg1?
      • 1...Kd3
        • 2.Rd1#
      • 1...Kxc5!
    • 1.Rh1?
      • 1...Kd3
        • 2.Rd1#
      • 1...Kxc5!
  • Keys
    • 1.Ke2!
      • 1...Ke4
        • 2.R1c4#

Anticipated by 202254(1923)

This anticipates 71669(1930)

FEATURES

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