MESON Chess Problem Database

Problem Display
PID: 46463 (8/8/1R1pq3/p2p4/k7/3BR3/1PP5/nK6 w - - 0 1)

Wester, Anders Emil

Tidskrift for Schack, 0000

8/8/1R1pq3/p2p4/k7/3BR3/1PP5/nK6

#2

6 + 6

4885 Amatorproblem 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Sxc2
      • 2.Bxc2#
    • 1...Sb3
      • 2.cxb3#
  • Tries
    • 1.Be4?
      • threat
        • 2.Ra3#
      • 1...Sxc2
        • 2.Bxc2#
      • 1...Sb3
        • 2.cxb3#
      • 1...Qh3!
    • 1.Rxe6?
      • 1...Sxc2
        • 2.Bxc2#
      • 1...Sb3
        • 2.cxb3#
      • 1...d4!
  • Keys
    • 1.Bf5!
      • threat
        • 2.Ra3#
      • 1...Qxe3
        • 2.Bd7#
      • 1...Sxc2
        • 2.Bxc2#
      • 1...Sb3
        • 2.cxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE,XP(C)::B(D),XS(a)
    • S(a);OGATE::P(C),XS(a)
  • Tries
    • Try
      • B(D);
      • Threat
        • R1(E)
      • Vars
        • S(a);OGATE,XP(C)::B(D),XS(a)
        • S(a);OGATE::P(C),XS(a)
      • Refutation
        • Q(f);
    • Try
      • R(E);XQ(f)
      • Vars
        • S(a);OGATE,XP(C)::B(D),XS(a)
        • S(a);OGATE::P(C),XS(a)
      • Refutation
        • P(d);
  • Actual
    • B(D);
    • Threat
      • R1(E)
    • Vars
      • Q(f);OGATE,XR(E)::B(D)
      • S(a);OGATE,XP(C)::B(D),XS(a)
      • S(a);OGATE::P(C),XS(a)
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