MESON Chess Problem Database

Problem Display
PID: 16598 (8/8/3R1Q2/4r3/4k3/2p5/2KP4/8 w - - 0 1)

Hannemann, Knud Harald

Karlsson, Liss

Tuxen, Harri Viggo

Skakbladet, 1941

8/8/3R1Q2/4r3/4k3/2p5/2KP4/8

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Rd4#
    • 1...Rb5
      • 2.Rd4#
    • 1...Rc5
      • 2.Rd4#
    • 1...Rg5
      • 2.Rd4#
    • 1...Rh5
      • 2.Rd4#
    • 1...Re6
      • 2.Rd4#
    • 1...Re7
      • 2.Rd4#
    • 1...Re8
      • 2.Rd4#
  • Tries
    • 1.Qh4+?
      • 1...Kf5
        • 2.Rf6#
      • 1...Kf3!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Qf3#
      • 1...Rf5
        • 2.Qd4#
      • 1...Ra5
        • 2.Rd4#
      • 1...Rb5
        • 2.Rd4#
      • 1...Rc5
        • 2.Rd4#
      • 1...Rd5
        • 2.Re3#
      • 1...Rg5
        • 2.Rd4#
      • 1...Rh5
        • 2.Rd4#
      • 1...Re6
        • 2.Rd4#
      • 1...Re7
        • 2.Rd4#
      • 1...Re8
        • 2.Rd4#

Anticipated by 205553(1925)

This anticipates 103986(1949), 176155(1953)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(c);::R1(C)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);S_FLIGHT::R1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(C);
    • Threat
      • QAB1(D)
    • Vars
      • R(c);OGATE,SBLOCK::QAR1(D)
      • R(c);::R1(C)
      • R(c);SBLOCK::R1(C)
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