MESON Chess Problem Database

Problem Display
PID: 107266 (8/2Q5/1p1pp3/1p1N4/1K1k1p2/5P2/3pP3/1n1B4 w - - 0 1)

Shinkman, William Anthony

Sammlung Leichterer Schachaufgaben, 1881

8/2Q5/1p1pp3/1p1N4/1K1k1p2/5P2/3pP3/1n1B4

#2

6 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6?
      • 1...Ke3
        • 2.Qxb6#
      • 1...Sa3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...d5
        • 2.Qxf4#
      • 1...e5
        • 2.Qxb6#
      • 1...Ke5!
    • 1.Se7?
      • 1...Ke3
        • 2.Qxb6#
      • 1...Sa3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...d5
        • 2.Qxf4#
      • 1...e5
        • 2.Qxb6#
      • 1...Ke5!
    • 1.Qc3+?
      • 1...Kxd5
        • 2.Bb3#
      • 1...Sxc3!
    • 1.Qc4+?
      • 1...Ke5
        • 2.Qe4#
      • 1...bxc4!
  • Keys
    • 1.Se3!
      • 1...Kxe3
        • 2.Qxb6#
      • 1...Ke5
        • 2.Qg7#
      • 1...fxe3
        • 2.Qxd6#
      • 1...Sa3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...d5
        • 2.Sc2#
        • 2.Qxf4#
      • 1...e5
        • 2.Qxb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(c);S_FLIGHT::QAB(F),XP(f)
        • S(a);N_GUARD::QAB1(F)
        • S(a);N_GUARD::QAB1(F),XS(a)
        • P(g);OGATE::QAR2(F),XP(d)
        • P(h);SBLOCK::QAB(F),XP(f)
      • Refutation
        • K(c);P_SPINP(g),S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(c);S_FLIGHT::QAB(F),XP(f)
        • S(a);N_GUARD::QAB1(F)
        • S(a);N_GUARD::QAB1(F),XS(a)
        • P(g);OGATE::QAR2(F),XP(d)
        • P(h);SBLOCK::QAB(F),XP(f)
      • Refutation
        • K(c);P_SPINP(g),S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);P-FLIGHT,XS(E)::B(A)
      • Refutation
        • S(a);XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAR1(F)
      • Refutation
        • P(e);XQ(F)
  • Actual
    • S(E);
    • Vars
      • K(c);S_FLIGHT,XS(E)::QAB(F),XP(f)
      • K(c);P_SPINP(g),S_FLIGHT::QAB(F)
      • P(d);SBLOCK,XS(E)::QAR2(F),XP(g)
      • S(a);N_GUARD::QAB1(F)
      • S(a);N_GUARD::QAB1(F),XS(a)
      • P(h);SBLOCK::QAB(F),XP(f)
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