MESON Chess Problem Database

Problem Display
PID: 81435 (b7/8/4B3/b1p1p2K/2n1k3/1r4R1/2N5/QN3R2 w - - 0 1)

Wojcik, Marian

British Chess Magazine, 1939

b7/8/4B3/b1p1p2K/2n1k3/1r4R1/2N5/QN3R2

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Rg4#
    • 1...Rb4
      • 2.Sc3#
    • 1...Bb4
      • 2.Qxa8#
    • 1...Bb6
      • 2.Qxa8#
    • 1...Bd5
      • 2.Bf5#
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qxc4#
      • 1...Rc3
        • 2.Sd2#
      • 1...Rd3
        • 2.Rg4#
      • 1...Rb4
        • 2.Sc3#
      • 1...Bc3
        • 2.Re3#
      • 1...Bb4
        • 2.Qxa8#
      • 1...Bd5
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(a);SBLOCK::R(E)
    • R(a);N_GUARD,S_CUTB(d)::S(B)
    • B(d);OGATE::QAB(A),XB(g)
    • B(g);SBLOCK::B(G)
  • Actual
    • Q(A);P_PINS(b)
    • Threat
      • QAR2(A),XS(b)
    • Vars
      • R(a);S_CUTB(d)::S(B)
      • R(a);SBLOCK::R(E)
      • R(a);N_GUARD,N_SPINS(b),S_CUTB(d)::S(B)
      • B(d);S_CUTR(a)::R1(E)
      • B(d);N_SPINS(b),OGATE::QAB(A),XB(g)
      • B(g);SBLOCK::B(G)
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