MESON Chess Problem Database

Problem Display
PID: 74276 (3N1R1b/1B6/1n6/2B1kP2/8/1N2p1K1/n4R2/8 w - - 0 1)

Muller, Dieter

Wochenpost, 1993

3N1R1b/1B6/1n6/2B1kP2/8/1N2p1K1/n4R2/8

#2

8 + 5

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Bf6
      • 2.Sf7#
    • 1...e2
      • 2.Rxe2#
  • Tries
    • 1.Sd4?
      • threat
        • 2.Sf3#
      • 1...Bf6
        • 2.Sf7#
      • 1...Sd5!
    • 1.Rf4?
      • threat
        • 2.Re4#
      • 1...Bf6
        • 2.Sf7#
      • 1...Sd5
        • 2.Sc6#
      • 1...Sc3!
    • 1.Rf6?
      • threat
        • 2.Bd4#
        • 2.Re6#
      • 1...Bxf6
        • 2.Sf7#
      • 1...exf2
        • 2.Bd4#
      • 1...Sd5
        • 2.Re6#
      • 1...Kxf6!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sf3#
      • 1...exd2
        • 2.Re2#
      • 1...Bf6
        • 2.Sf7#
      • 1...Sd5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(e);SBLOCK::S(G)
    • P(b);OGATEB::R(A),XP(b)
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • B(e);SBLOCK::S(G)
      • Refutation
        • S(d);
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • B(e);SBLOCK::S(G)
        • S(d);SBLOCK::S(G)
      • Refutation
        • S(a);
    • Try
      • R(H);
      • Threat
        • DUALS(2)
      • Vars
        • B(e);SBLOCK,XR(H)::S(G)
        • P(b);XR(A)::B(D)
        • S(d);::R1(H)
      • Refutation
        • K(c);S_FLIGHT,XR(H)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • P(b);OGATEB,XS(B)::R(A)
      • B(e);SBLOCK::S(G)
      • S(d);SBLOCK::S(G)
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