MESON Chess Problem Database

Problem Display
PID: 63529 (Q3R3/n6r/2p3p1/NNp1pR2/p3kbP1/8/1B2BP2/1K5b w - - 0 1)

Ruszczynski, Piotr

1st Prize, BCF 137. Ty., 1974-1975

Q3R3/n6r/2p3p1/NNp1pR2/p3kbP1/8/1B2BP2/1K5b

#2

10 + 10

3771 FIDE Album (1974-1976) 1980

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Rexe5#
    • 1...Bd2
      • 2.Rexe5#
    • 1...Be3
      • 2.Rexe5#
    • 1...Bg5
      • 2.Rexe5#
    • 1...Bh6
      • 2.Rexe5#
    • 1...Sxb5
      • 2.Qxc6#
    • 1...Sc8
      • 2.Qxc6#
  • Tries
    • 1.Bxe5?
      • threat
        • 2.Sc3#
      • 1...Kd5
        • 2.Sc3#
      • 1...Bxe5
        • 2.Rexe5#
      • 1...Sxb5
        • 2.Qxc6#
      • 1...Rh3
        • 2.Bxf4#
      • 1...Bd2
        • 2.Bg7#
      • 1...Rb7!
    • 1.Rxf4+?
      • 1...Kd5
        • 2.Bc4#
        • 2.Rxe5#
      • 1...Kxf4!
  • Keys
    • 1.Sxc6!
      • threat
        • 2.Sc3#
      • 1...Kd5
        • 2.Sb4#
      • 1...Sxb5
        • 2.Se7#
      • 1...Sxc6
        • 2.Qxc6#
      • 1...Rh3
        • 2.Scxa7#
      • 1...Bd2
        • 2.Rexe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • B(d);N_GUARD::R1(J),XP(f)
    • S(i);N_GUARD,XS(G)::QAB(I),XP(g)
    • S(i);N_GUARD::QAB(I),XP(g)
  • Tries
    • Try
      • B(B);P_PINP(g),XP(f)
      • Threat
        • S(G)
      • Vars
        • K(c);S_FLIGHT::S(G)
        • B(d);OGATE,P_SPINB(d),XB(B)::R1(J),XB(d)
        • S(i);N_GUARD,XS(G)::QAB(I),XP(g)
        • R(j);N_GUARD::R(J)+B(B),XB(d)
        • B(d);N_GUARD::R(J)+B(B)
      • Refutation
        • R(j);N_SPINP(g),P_PINS(G)
    • Try
      • R(H);CHECK,XB(d)
      • Refutation
        • K(c);N_SPINP(f),P-FLIGHT,XR(H)
  • Actual
    • S(F);XP(g)
    • Threat
      • S(G)
    • Vars
      • K(c);S_FLIGHT::QAB(I)+S(F),DCHECK
      • S(i);N_GUARD,XS(G)::QAB(I)+S(F)
      • S(i);OGATE,P_SPINS(i),XS(F)::QAB(I),XS(i)
      • R(j);N_GUARD::QAB(I)+S(F),XS(i)
      • B(d);N_GUARD::R1(J),XP(f)
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