MESON Chess Problem Database

Problem Display
PID: 196884 (8/8/2K1p3/2R5/3k1p2/8/2BB4/8 w - - 0 1)

Fischer, Hieronymus

Deutsches Wochenschach, 1919

8/8/2K1p3/2R5/3k1p2/8/2BB4/8

#2

4 + 3

6490 yacpdb 2019
5454 Near Snap 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rc4+?
      • 1...Ke5
        • 2.Bc3#
      • 1...Kxc4!
    • 1.Ra5?
      • 1...Kc4
        • 2.Ra4#
      • 1...e5
        • 2.Ra4#
      • 1...f3!
    • 1.Rb5?
      • 1...Kc4
        • 2.Rb4#
      • 1...e5
        • 2.Rb4#
      • 1...f3!
  • Keys
    • 1.Re5!
      • threat
        • 2.Re4#
      • 1...Kc4
        • 2.Re4#
      • 1...Kxe5
        • 2.Bc3#

Anticipated by 224601(1888), 9647(1907)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT,XR(C)
    • Try
      • R(C);
      • Vars
        • K(a);P-FLIGHT::R(C)
        • P(c);SBLOCK::R(C)
      • Refutation
        • P(b);
    • Try
      • R(C);
      • Vars
        • K(a);P-FLIGHT::R1(C)
        • P(c);SBLOCK::R(C)
      • Refutation
        • P(b);
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • K(a);P-FLIGHT::R(C)
      • K(a);S_FLIGHT,XR(C)::B(B)
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