MESON Chess Problem Database

Problem Display
PID: 180570 (2KN4/2p1p3/3k1p2/2r1R3/2p3P1/2PP4/3N4/3R2B1 w - - 0 1)

Cioflanca, Mihalu

Nicolaescu, Georghe

Sachmatija, 2016

2KN4/2p1p3/3k1p2/2r1R3/2p3P1/2PP4/3N4/3R2B1

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Sxc4#
    • 1...Rb5
      • 2.Sxc4#
    • 1...Rd5
      • 2.Sxc4#
      • 2.Re6#
    • 1...Rc6
      • 2.Sf7#
    • 1...c6
      • 2.Sf7#
  • Tries
    • 1.Rd5+?
      • 1...Rxd5
        • 2.Sxc4#
      • 1...Kxd5!
  • Keys
    • 1.dxc4!
      • threat
        • 2.Re6#
      • 1...Kxe5
        • 2.Bh2#
      • 1...Rxc4
        • 2.Sxc4#
      • 1...Rxe5
        • 2.Se4#
      • 1...fxe5
        • 2.Se4#
      • 1...e6
        • 2.Rxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • R(b);N_GUARD::S(C),XP(a)
    • R(b);SBLOCK::S(I)
    • P(e);SBLOCK::S(I)
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • R(b);SBLOCK,XR(G)::S(C),XP(a)
      • Refutation
        • K(c);P-FLIGHT,XR(G)
  • Actual
    • P(E);XP(a)
    • Threat
      • R1(G)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(G)::B(B)
      • R(b);XP(E)::R(A)+S(C),DCHECK,XR(b)
      • R(b);SBLOCK,XR(G)::R(A)+S(C),DCHECK
      • P(d);SBLOCK,XR(G)::R(A)+S(C),DCHECK
      • P(f);::R1(G),XP(f)
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