MESON Chess Problem Database

Problem Display
PID: 102777 (3n1K2/3Np3/p3p3/p2kB3/p7/N7/4P3/1Q2b3 w - - 0 1)

Smutny, Jan

Revue d'Echecs, 1905

3n1K2/3Np3/p3p3/p2kB3/p7/N7/4P3/1Q2b3

#2

6 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.Qh1#
    • 1...Bf2
      • 2.Qh1#
    • 1...Bc3
      • 2.Qh1#
    • 1...Bg3
      • 2.Qh1#
    • 1...Bb4
      • 2.Qh1#
    • 1...Bh4
      • 2.Qh1#
    • 1...Sc6
      • 2.e4#
    • 1...Sb7
      • 2.Qxb7#
    • 1...Sf7
      • 2.Qb7#
  • Tries
    • 1.Kg7?
      • 1...Bd2
        • 2.Qh1#
      • 1...Bf2
        • 2.Qh1#
      • 1...Bc3
        • 2.Qh1#
      • 1...Bg3
        • 2.Qh1#
      • 1...Bb4
        • 2.Qh1#
      • 1...Bh4
        • 2.Qh1#
      • 1...Sc6
        • 2.e4#
      • 1...Sb7
        • 2.Qxb7#
      • 1...Sf7
        • 2.Qb7#
      • 1...Kc6!
    • 1.Kg8?
      • 1...Bd2
        • 2.Qh1#
      • 1...Bf2
        • 2.Qh1#
      • 1...Bc3
        • 2.Qh1#
      • 1...Bg3
        • 2.Qh1#
      • 1...Bb4
        • 2.Qh1#
      • 1...Bh4
        • 2.Qh1#
      • 1...Sc6
        • 2.e4#
      • 1...Sb7
        • 2.Qxb7#
      • 1...Sf7
        • 2.Qb7#
      • 1...Kc6!
    • 1.Qc1?
      • threat
        • 2.Qc4#
      • 1...Bc3
        • 2.Qh1#
      • 1...Ke4!
    • 1.Qd1+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Bd2
        • 2.Qh1#
      • 1...Kc6!
    • 1.Qb5+?
      • 1...Ke4
        • 2.Qd3#
      • 1...axb5!
    • 1.e3?
      • 1...Bd2
        • 2.Qh1#
      • 1...Bf2
        • 2.Qh1#
      • 1...Bc3
        • 2.Qh1#
      • 1...Bg3
        • 2.Qh1#
      • 1...Bb4
        • 2.Qh1#
      • 1...Bh4
        • 2.Qh1#
      • 1...Sc6
        • 2.e4#
      • 1...Sb7
        • 2.Qxb7#
      • 1...Sf7
        • 2.Qb7#
      • 1...Kc6!
  • Keys
    • 1.Ke8!
      • 1...Kc6
        • 2.Qe4#
      • 1...Bd2
        • 2.Qh1#
      • 1...Bf2
        • 2.Qh1#
      • 1...Bc3
        • 2.Qh1#
      • 1...Bg3
        • 2.Qh1#
      • 1...Bb4
        • 2.Qh1#
      • 1...Bh4
        • 2.Qh1#
      • 1...Sc6
        • 2.e4#
      • 1...Sb7
        • 2.Qxb7#
      • 1...Sf7
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::QAB(A)
    • S(h);SBLOCK::P(B)
    • S(h);N_GUARD::QAB(A),XS(h)
    • S(h);N_GUARD::QAB(A)
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Vars
        • B(a);OGATE::QAB(A)
        • B(a);OGATE,P_PINB(D)::QAB(A)
        • S(h);SBLOCK::P(B)
        • S(h);N_GUARD::QAB(A),XS(h)
        • S(h);N_GUARD::QAB(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • K(F);P-FLIGHT
      • Vars
        • B(a);OGATE::QAB(A)
        • S(h);SBLOCK::P(B)
        • S(h);N_GUARD::QAB(A),XS(h)
        • S(h);N_GUARD::QAB(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • B(a);OGATE::QAB(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(A)
        • B(a);OGATE,P_SPINB(a)::QAB(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(A)
      • Refutation
        • P(e);XQ(A)
    • Try
      • P(B);
      • Vars
        • B(a);OGATE::QAB(A)
        • S(h);SBLOCK::P(B)
        • S(h);N_GUARD::QAB(A),XS(h)
        • S(h);N_GUARD::QAB(A)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • K(F);P-FLIGHT
    • Vars
      • K(d);S_FLIGHT::QAB(A)
      • B(a);OGATE::QAB(A)
      • S(h);SBLOCK::P(B)
      • S(h);N_GUARD::QAB(A),XS(h)
      • S(h);N_GUARD::QAB(A)
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