MESON Chess Problem Database

Problem Display
PID: 272207 (2K5/8/pNk1p3/rRpRrp2/1p1p1P2/1P1B4/2N5/8 w - - 0 1)

Wigan, TK

The Problemist, 1957

2K5/8/pNk1p3/rRpRrp2/1p1p1P2/1P1B4/2N5/8

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Sxb4#
      • 2.Sxd4#
  • Tries
    • 1.fxe5?
      • threat
        • 2.Rdxc5#
        • 2.Rd6#
      • 1...Rxb5
        • 2.Rd6#
      • 1...axb5
        • 2.Rd6#
      • 1...c4
        • 2.Sxb4#
        • 2.Sxd4#
        • 2.Rdc5#
      • 1...exd5!
  • Keys
    • 1.Sc4!
      • 1...Kxb5
        • 2.Sxd4#
      • 1...Kxd5
        • 2.Sxb4#
      • 1...Rxb5
        • 2.Rd6#
      • 1...Rxd5
        • 2.Rb6#
      • 1...axb5
        • 2.Rd6#
      • 1...exd5
        • 2.Rb6#
      • 1...Ra1
        • 2.Rbxc5#
      • 1...Ra2
        • 2.Rbxc5#
      • 1...Ra3
        • 2.Rbxc5#
      • 1...Ra4
        • 2.Rbxc5#
      • 1...Re1
        • 2.Rdxc5#
      • 1...Re2
        • 2.Rdxc5#
      • 1...Re3
        • 2.Rdxc5#
      • 1...Re4
        • 2.Rdxc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(D);XR(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(c);XR(E)::R1(F)
        • P(g);XR(E)::R1(F)
      • Refutation
        • P(i);XR(F)
  • Actual
    • S(G);
    • Vars
      • K(h);N_GUARD,P_SPINP(d),S_FLIGHT,XR(E)::S(A),XP(b)
      • K(h);N_GUARD,P_SPINP(d),S_FLIGHT,XR(F)::S(A),XP(a)
      • R(c);SBLOCK,XR(E)::R1(F)
      • R(e);SBLOCK,XR(F)::R1(E)
      • P(g);SBLOCK,XR(E)::R1(F)
      • P(i);SBLOCK,XR(F)::R1(E)
      • R(c);N_GUARD::R1(E),XP(d)
      • R(e);N_GUARD::R1(F),XP(d)
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