MESON Chess Problem Database

Problem Display
PID: 73094 (8/2Kp4/1N1P4/2k1BB1R/3p4/1R6/7q/6r1 w - - 0 1)

Uhlig, Frank

Neue Osnabrucker Zeitung, 1993

8/2Kp4/1N1P4/2k1BB1R/3p4/1R6/7q/6r1

#2

7 + 5

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd7+?
      • 1...Kc4
        • 2.Be6#
      • 1...Kd5!
    • 1.Be6?
      • threat
        • 2.Sa4#
        • 2.Sxd7#
      • 1...Qa2
        • 2.Sxd7#
        • 2.Bg3#
      • 1...Ra1
        • 2.Sxd7#
        • 2.Bxh2#
      • 1...Rg7
        • 2.Sa4#
      • 1...dxe6!
    • 1.Bxd7?
      • threat
        • 2.Rb5#
      • 1...Qb2
        • 2.Bg3#
      • 1...Rb1
        • 2.Bxh2#
      • 1...Qe2!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Rb5#
      • 1...Qb2
        • 2.Bg3#
      • 1...Rb1
        • 2.Bxh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK,XP(e)
      • Vars
        • K(d);P-FLIGHT::B(C)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::S(E)
      • Refutation
        • P(e);XB(C)
    • Try
      • B(C);XP(e)
      • Threat
        • R1(A)
      • Vars
        • Q(b);N_GUARD::R(D)+B(B)
        • R(a);N_GUARD::R(D)+B(B),XQ(b)
      • Refutation
        • Q(b);
  • Actual
    • B(C);
    • Threat
      • R1(A)
    • Vars
      • Q(b);N_GUARD::R(D)+B(B)
      • R(a);N_GUARD::R(D)+B(B),XQ(b)
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