MESON Chess Problem Database

Problem Display
PID: 153047 (8/K7/1N6/kb6/1b4Q1/2N5/8/8 w - - 0 1)

Zimmer, Eligiusz

Schweizerische Schachzeitung, 2001

8/K7/1N6/kb6/1b4Q1/2N5/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Sc4#
    • 1...Bc4
      • 2.Sxc4#
    • 1...Bc6
      • 2.Sc4#
    • 1...Bd7
      • 2.Sc4#
    • 1...Be8
      • 2.Sc4#
  • Tries
    • 1.Sxb5?
      • 1...Be1
        • 2.Qa4#
      • 1...Bd2
        • 2.Qa4#
      • 1...Ba3
        • 2.Qa4#
      • 1...Bc3
        • 2.Qa4#
      • 1...Bc5
        • 2.Qa4#
      • 1...Bd6
        • 2.Qa4#
      • 1...Be7
        • 2.Qa4#
      • 1...Bf8
        • 2.Qa4#
      • 1...Kxb5!
    • 1.Qd7?
      • threat
        • 2.Qxb5#
      • 1...Bxd7
        • 2.Sc4#
      • 1...Bf1
        • 2.Qa4#
      • 1...Be2
        • 2.Qa4#
      • 1...Bd3
        • 2.Qa4#
      • 1...Ba4
        • 2.Sc4#
        • 2.Qxa4#
      • 1...Bc4
        • 2.Sxc4#
        • 2.Qa4#
      • 1...Ba6
        • 2.Qa4#
      • 1...Bc6
        • 2.Sc4#
      • 1...Bxc3!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qxb5#
      • 1...Bxc3
        • 2.Qxc3#
      • 1...Bxc4
        • 2.Sxc4#
      • 1...Ba4
        • 2.Qa6#
      • 1...Ba6
        • 2.Qxa6#
      • 1...Bc6
        • 2.Qa6#
      • 1...Bd7
        • 2.Qa6#
      • 1...Be8
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD::S(C)
    • B(c);N_GUARD::S(C),XB(c)
  • Tries
    • Try
      • S(A);XB(c)
      • Vars
        • B(a);OGATE::QAR1(B)
        • B(a);OGATE,P_PINS(C)::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT,XS(A)
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XB(c)
      • Vars
        • B(c);N_GUARD,XQ(B)::S(C)
        • B(c);OGATE::QAR1(B)
        • B(c);N_GUARD::S(C)
      • Refutation
        • B(a);XS(A)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B),XB(c)
    • Vars
      • B(a);OGATE,XS(A)::QAB(B),XB(a)
      • B(c);XQ(B)::S(C),XB(c)
      • B(c);OGATE::QAR1(B)
      • B(c);OGATE::QAR1(B),XB(c)
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Developed and maintained by Brian Stephenson.
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