MESON Chess Problem Database

Problem Display
PID: 205343 (Q1BR2b1/1NpNpp2/1Pr1k2K/R2ppp2/2p5/8/8/8 w - - 0 1)

Klebes, Stefan

Badische Neueste Nachrichten, 1986

Q1BR2b1/1NpNpp2/1Pr1k2K/R2ppp2/2p5/8/8/8

#2

8 + 10

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Sbc5#
    • 1...d4
      • 2.Rxe5#
  • Tries
    • 1.Kg7?
      • threat
        • 2.Sdc5#
        • 2.Sf6#
        • 2.Sb8#
        • 2.Sf8#
      • 1...cxb6
        • 2.Sdc5#
        • 2.Sf8#
      • 1...Rc5
        • 2.Sdxc5#
        • 2.Sf6#
        • 2.Sb8#
        • 2.Sf8#
      • 1...Rd6
        • 2.Sbc5#
        • 2.Sdc5#
        • 2.Sf8#
      • 1...f6
        • 2.Sdc5#
        • 2.Sxf6#
        • 2.Sb8#
        • 2.Sf8#
      • 1...e4!
    • 1.Sbc5+?
      • 1...Kd6
        • 2.Sf6#
        • 2.Sb8#
        • 2.Sf8#
      • 1...Rxc5!
  • Keys
    • 1.Rxd5!
      • threat
        • 2.Rxe5#
      • 1...Kxd5+
        • 2.Sf6#
      • 1...f6
        • 2.Sxe5#
      • 1...e4
        • 2.Re5#
      • 1...Rc5
        • 2.Sbxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(e);N_GUARD,SBLOCK::S(D)
    • P(b);OGATE::R1(A),XP(c)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • DUALS(4)
      • Refutation
        • P(c);
    • Try
      • S(D);CHECK
      • Refutation
        • R(e);XS(D)
  • Actual
    • R(A);XP(b)
    • Threat
      • R1(A),XP(c)
    • Vars
      • K(f);CHECK,S_FLIGHT,XR(A)::R(H)+S(E),DCHECK
      • P(i);SBLOCK::B(G)+S(E),XP(c)
      • P(c);::R1(A)
      • R(e);N_GUARD::S(D),XR(e)
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