MESON Chess Problem Database

Problem Display
PID: 73836 (8/5B2/Q4PpN/n2PN3/2qPkB2/1npR2K1/4p3/4rb2 w - - 0 1)

Paslack, Rainer

5th HM., Freie Presse, 1992

8/5B2/Q4PpN/n2PN3/2qPkB2/1npR2K1/4p3/4rb2

#2

10 + 9

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd3+
      • 2.Qxd3#
    • 1...Qxd5
      • 2.Bxg6#
    • 1...Sxd4
      • 2.Re3#
  • Tries
    • 1.Qxc4?
      • threat
        • 2.Bxg6#
        • 2.Re3#
      • 1...Bh3
        • 2.Re3#
      • 1...g5
        • 2.Bg6#
        • 2.Re3#
      • 1...Sxc4!
    • 1.Qe6?
      • threat
        • 2.Bxg6#
      • 1...Qxd3+
        • 2.Sf3#
      • 1...Sxd4
        • 2.Re3#
      • 1...g5
        • 2.Bg6#
        • 2.Qf5#
      • 1...Bh3!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Re3#
      • 1...Kxd3
        • 2.Bxg6#
      • 1...Qxd3
        • 2.Qe6#
      • 1...Qxd4
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(f);CHECK,OGATE,XR(A)::QAB1(G),XQ(f)
    • Q(f);SBLOCK,XP(E)::B(J),XP(i)
    • S(d);SBLOCK,XP(C)::R1(A)
  • Tries
    • Try
      • Q(G);XQ(f)
      • Threat
        • DUALS(2)
      • Vars
        • B(b);::R1(A)
      • Refutation
        • S(h);XQ(G)
    • Try
      • Q(G);
      • Threat
        • B(J),XP(i)
      • Vars
        • Q(f);CHECK,SBLOCK,XR(A)::QAR(G)+S(F)
        • S(d);SBLOCK,XP(C)::R1(A)
      • Refutation
        • B(b);
  • Actual
    • S(F);
    • Threat
      • R1(A)
    • Vars
      • K(g);P_SPINQ(f),S_FLIGHT,XR(A)::B(J),XP(i)
      • Q(f);P_PINS(F),SBLOCK,XR(A)::QAR2(G)
      • Q(f);XP(C)::S(F)
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