MESON Chess Problem Database

Problem Display
PID: 103604 (8/8/8/5p2/2p1pB2/2R5/2PN4/2kNRK2 w - - 0 1)

Janevski, Zivko

Shakhmatna misl, 1982

8/8/8/5p2/2p1pB2/2R5/2PN4/2kNRK2

#2

7 + 4

3713 Snap 1982
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sxc4+?
      • 1...e3
        • 2.Sdb2#
        • 2.Sf2#
        • 2.Sdxe3#
      • 1...Kb1!
    • 1.Re2?
      • 1...Kxd1
        • 2.Re1#
      • 1...e3!
    • 1.Rxe4?
      • 1...Kxd1
        • 2.Re1#
      • 1...fxe4!
    • 1.Rce3?
      • 1...Kxc2
        • 2.Rc3#
      • 1...Kxd2
        • 2.R3e2#
      • 1...c3!
  • Keys
    • 1.Ree3!
      • 1...Kxd1
        • 2.Re1#
      • 1...Kxd2
        • 2.Red3#

This anticipates 114243(2000)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK,XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(A)::R1(B)
      • Refutation
        • P(c);
    • Try
      • R(B);XP(c)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(A)::R1(B)
      • Refutation
        • P(d);XR(B)
    • Try
      • R(F);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(D)::R1(F)
        • K(a);OGATEB,S_FLIGHT,XS(E)::B(G)+R(F),DCHECK
      • Refutation
        • P(b);
  • Actual
    • R(B);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XS(A)::R1(B)
      • K(a);OGATEB,S_FLIGHT,XS(E)::B(G)+R(B),DCHECK
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