MESON Chess Problem Database

Problem Display
PID: 40315 (1b3BB1/2p5/1p2RP2/1p1k4/8/2P1K3/8/8 w - - 0 1)

Lindner, Laszlo

Seneca, Camil

Enigmistica Popolare, 1935

1b3BB1/2p5/1p2RP2/1p1k4/8/2P1K3/8/8

#2

6 + 5

4080 Mattbilder eines Lebens 1996
5454 Near Snap 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Rc6#
    • 1...c6
      • 2.Re4#
      • 2.Re8#
  • Tries
    • 1.c4+?
      • 1...Kxc4
        • 2.Rc6#
      • 1...bxc4!
  • Keys
    • 1.Kf4!
      • threat
        • 2.Rxb6#
      • 1...c5+
        • 2.Rd6#
      • 1...c6+
        • 2.Re5#
      • 1...Kc4
        • 2.Re3#

This anticipates 48298(1945), 243796(1981), 163393(2004)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(F)+R(C),DCHECK
  • Tries
    • Try
      • P(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XP(A)::B(F)+R(C),DCHECK
      • Refutation
        • P(a);XP(A)
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • B(F)+R(C),XP(c)
    • Vars
      • P(d);CHECK,SBLOCK::B(F)+R(C),DCHECK
      • K(b);S_FLIGHT::B(F)+R(C)
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