MESON Chess Problem Database

Problem Display
PID: 211173 (3B4/2p1p3/2PNB3/p2P2p1/PP1k1PK1/2ppp3/8/1NR1R3 w - - 0 1)

Mira-Kraft, Edwin

The Problemist, 1985

3B4/2p1p3/2PNB3/p2P2p1/PP1k1PK1/2ppp3/8/1NR1R3

#2

12 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5+?
      • 1...Ke4
        • 2.S1xc3#
      • 1...Kc4!
    • 1.Sf5+?
      • 1...Ke4
        • 2.Sxc3#
        • 2.Rxe3#
      • 1...Kc4!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sb3#
        • 2.Sf3#
        • 2.Sb5#
        • 2.Sf5#
      • 1...cxd2
        • 2.Rc4#
      • 1...exd2
        • 2.Re4#
      • 1...axb4
        • 2.Sb3#
      • 1...gxf4
        • 2.Sf3#
      • 1...cxd6
        • 2.Bb6#
      • 1...exd6
        • 2.Bf6#
      • 1...c2
        • 2.Sb5#
      • 1...e2
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(J);CHECK
      • Vars
        • K(d);P-FLIGHT,P_SPINP(c)::S(A),XP(a)
      • Refutation
        • K(d);P-FLIGHT,P_SPINP(a)
    • Try
      • S(J);CHECK
      • Refutation
        • K(d);P-FLIGHT,P_SPINP(a)
  • Actual
    • S(A);
    • Threat
      • DUALS(4)
    • Vars
      • P(a);OGATE,XS(A)::R1(B)
      • P(c);OGATE,XS(A)::R1(C)
      • P(e);XP(E)::S(A)
      • P(f);XP(F)::S(A)
      • P(g);OGATE,XS(J)::B(L)
      • P(h);OGATE,XS(J)::B(L)
      • P(a);::S(J)
      • P(c);::S(J)
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