MESON Chess Problem Database

Problem Display
PID: 199953 (B2B4/8/1p1NpR2/4k1n1/3p3b/Q6p/4b3/K7 w - - 0 1)

Bottger, Horst

Der neue Tag (Weiden)/Amberger Zeitung, 2001

(First published on Sat Feb 17 2001)

B2B4/8/1p1NpR2/4k1n1/3p3b/Q6p/4b3/K7

#2

6 + 8

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Sc4#
    • 1...Bf3
      • 2.Sc4#
    • 1...Bc4
      • 2.Sxc4#
    • 1...Bg4
      • 2.Sc4#
    • 1...Bh5
      • 2.Sc4#
    • 1...Bg3
      • 2.Qxg3#
    • 1...Sf3
      • 2.Sf7#
    • 1...Se4
      • 2.Sf7#
    • 1...Sf7
      • 2.Sxf7#
    • 1...Sh7
      • 2.Sf7#
    • 1...b5
      • 2.Qc5#
  • Tries
    • 1.Qc1?
      • threat
        • 2.Qf4#
      • 1...Kxd6
        • 2.Qc7#
      • 1...Bg3!
    • 1.Qe3+?
      • 1...Kxd6
        • 2.Qxd4#
      • 1...Se4
        • 2.Sf7#
        • 2.Qf4#
      • 1...dxe3!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qf4#
      • 1...Kxd6
        • 2.Qd5#
      • 1...Bxf3
        • 2.Sc4#
      • 1...Sxf3
        • 2.Sf7#
      • 1...Bg3
        • 2.Qxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • B(a);N_GUARD::S(C)
    • B(a);N_GUARD::S(C),XB(a)
    • B(d);N_GUARD::QAB(B),XB(d)
    • S(f);N_GUARD::S(C)
    • S(f);N_GUARD::S(C),XS(f)
    • P(g);N_GUARD::QAR2(B)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(e);OGATEB,P_SPINP(h),S_FLIGHT,XS(C)::QAB1(B)
      • Refutation
        • B(d);
    • Try
      • Q(B);CHECK
      • Vars
        • K(e);P_SPINP(h),S_FLIGHT,XS(C)::QAR2(B),XP(c)
      • Refutation
        • P(c);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(e);P_SPINP(h),S_FLIGHT,XS(C)::QAR1(B)
      • B(a);N_GUARD,XQ(B)::S(C)
      • S(f);N_GUARD,XQ(B)::S(C)
      • B(d);N_GUARD::QAB(B),XB(d)
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