MESON Chess Problem Database

Problem Display
PID: 136644 (1r5B/3p2R1/8/1pPN1P2/nP1k1ppr/1Qp5/2p3b1/2K1RB2 w - - 0 1)

Gebura, Stanislaw

L'Italia Scacchistica, 2003

1r5B/3p2R1/8/1pPN1P2/nP1k1ppr/1Qp5/2p3b1/2K1RB2

#2

10 + 11

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Rb7
      • 2.Rh7#
    • 1...f3
      • 2.Rxg4#
  • Tries
    • 1.Sc7?
      • threat
        • 2.Rxd7#
      • 1...Rbxh8
        • 2.Sxb5#
      • 1...Bd5
        • 2.Qxd5#
      • 1...d5
        • 2.Se6#
      • 1...d6
        • 2.Se6#
      • 1...Rhxh8!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sxc2#
      • 1...Ke4
        • 2.Qd5#
      • 1...Ke5
        • 2.Re7#
      • 1...Bxf1
        • 2.Qd5#
      • 1...fxe3
        • 2.Rxg4#
      • 1...Be4
        • 2.Rxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • R(k);N_GUARD::B(J)+R(I)
    • P(f);::B(J)+R(I),DCHECK,XP(g)
  • Tries
    • Try
      • S(G);
      • Threat
        • B(J)+R(I),DCHECK,XP(j)
      • Vars
        • R(k);N_GUARD,XB(J)::S(G),XP(i)
        • B(b);N_GUARD::QAR1(D),XB(b)
        • P(j);N_GUARD::S(G)
      • Refutation
        • R(h);XB(J)
  • Actual
    • S(G);
    • Threat
      • S(G),XP(a)
    • Vars
      • K(e);P-FLIGHT::QAB1(D)
      • K(e);S_FLIGHT::B(J)+R(I),DCHECK
      • B(b);N_GUARD,XB(C)::QAR1(D)
      • P(f);XS(G)::B(J)+R(I),DCHECK,XP(g)
      • B(b);SBLOCK::B(J)+R(I),DCHECK,XP(j)
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