MESON Chess Problem Database

Problem Display
PID: 135164 (B2nR1NB/1b6/3ppq1r/1P1k4/KP1p4/3Qn1N1/8/b3R3 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1999

B2nR1NB/1b6/3ppq1r/1P1k4/KP1p4/3Qn1N1/8/b3R3

#2

10 + 10

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qf5#
    • 1...Qe5
      • 2.Se7#
    • 1...Qe7
      • 2.Sxe7#
    • 1...Qf1
      • 2.Se7#
    • 1...Qf2
      • 2.Se7#
    • 1...Qf3
      • 2.Se7#
    • 1...Qf4
      • 2.Se7#
    • 1...Qf5
      • 2.Se7#
    • 1...Qg6
      • 2.Se7#
    • 1...Sd1
      • 2.Qb3#
    • 1...Sf1
      • 2.Qb3#
    • 1...Sc2
      • 2.Qb3#
    • 1...Sg2
      • 2.Qb3#
    • 1...Sc4
      • 2.Qe4#
    • 1...Sg4
      • 2.Qb3#
    • 1...Sf5
      • 2.Qb3#
  • Tries
    • 1.Sxf6+?
      • 1...Ke5
        • 2.Qf5#
      • 1...Rxf6!
    • 1.Rxe3?
      • threat
        • 2.Qb3#
      • 1...Qf1
        • 2.Se7#
      • 1...Bc3!
  • Keys
    • 1.b6!
      • threat
        • 2.Qb5#
      • 1...Ke5
        • 2.Qf5#
      • 1...Kc6
        • 2.Qb5#
      • 1...Qf1
        • 2.Se7#
      • 1...Sc4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 13
  • Sets
    • K(d);N_SPINB(i),N_SPINP(c),P-FLIGHT,P_SPINP(f),P_SPINQ(g),P_SPINS(b)::QAR1(B)
    • Q(g);N_GUARD::S(I)
    • Q(g);N_GUARD::S(I),XQ(g)
    • S(b);N_GUARD::QAB(B)
    • S(b);SBLOCK::QAB1(B)
  • Tries
    • Try
      • S(I);CHECK,XQ(g)
      • Vars
        • K(d);N_SPINB(i),N_SPINP(c),P-FLIGHT,P_SPINP(f),P_SPINS(b)::QAR1(B)
      • Refutation
        • R(h);XS(I)
    • Try
      • R(A);XS(b)
      • Threat
        • QAB(B)
      • Vars
        • Q(g);N_GUARD::S(I)
      • Refutation
        • B(a);
  • Actual
    • P(F);
    • Threat
      • QAR2(B)
    • Vars
      • K(d);N_SPINB(i),N_SPINP(c),P-FLIGHT,P_SPINP(f),P_SPINQ(g),P_SPINS(b)::QAR1(B)
      • K(d);N_SPINP(c),S_FLIGHT::QAB1(B)
      • Q(g);N_GUARD::S(I)
      • S(b);SBLOCK::QAB1(B)
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