MESON Chess Problem Database

Problem Display
PID: 7748 (1b2K3/8/7Q/R2Pkp1p/3nq2r/2N3N1/8/B3R3 w - - 0 1)

Paslack, Rainer

Landeszeitung fur die Luneburger Heide, 1993

1b2K3/8/7Q/R2Pkp1p/3nq2r/2N3N1/8/B3R3

#2

8 + 7

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Rxe4#
  • Tries
    • 1.Scxe4?
      • threat
        • 2.d6#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Ba7
        • 2.Qd6#
      • 1...Bc7!
  • Keys
    • 1.Sce2!
      • threat
        • 2.Qe6#
      • 1...Qxd5
        • 2.Sf4#
      • 1...Qxe2
        • 2.d6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(e);N_GUARD,S_CUTR(c)::R1(B),XQ(b)
  • Tries
    • Try
      • S(C);P_PINS(a),XQ(b)
      • Threat
        • R(E)+P(F)
      • Vars
        • B(g);N_GUARD::QAB1(G),XB(g)
        • B(g);N_GUARD::QAB1(G)
      • Refutation
        • B(g);
  • Actual
    • S(C);N_PINQ(b),P_PINS(a)
    • Threat
      • QAR1(G)
    • Vars
      • Q(b);P_SPINQ(b),XP(F)::R(B)+S(C)
      • Q(b);N_GUARD,P_SPINQ(b),XS(C)::R(E)+P(F)
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