MESON Chess Problem Database

Problem Display
PID: 123412 (b2b4/8/7R/2p3p1/3PNkP1/B2R1Bp1/K2p2P1/8 w - - 0 1)

Jelinek, Jiri

Zpravodaj Kotva, 1967

b2b4/8/7R/2p3p1/3PNkP1/B2R1Bp1/K2p2P1/8

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5
      • 2.Rf6#
    • 1...Bb6
      • 2.Rf6#
    • 1...Bf6
      • 2.Rxf6#
    • 1...Bc7
      • 2.Rf6#
    • 1...d1B
      • 2.Bc1#
    • 1...cxd4
      • 2.Bd6#
    • 1...c4
      • 2.Bd6#
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sh5#
      • 1...Bd5+
        • 2.Sxd5#
      • 1...Bxf3
        • 2.Rxf3#
      • 1...Bxf6
        • 2.Rxf6#
      • 1...cxd4
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(g);N_GUARD::R(I)
    • B(g);N_GUARD::R(I),XB(g)
    • P(a);OGATEB::B(C)
    • P(d);OGATE,XP(F)::B(C)
    • P(d);OGATE::B(C)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • B(f);CHECK,N_GUARD::S(G),XB(f)
      • B(f);OGATE,XB(E)::R1(D),XB(f)
      • B(g);OGATE,XS(G)::R(I),XB(g)
      • P(d);OGATE,XP(F)::B(C)
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