MESON Chess Problem Database

Problem Display
PID: 66292 (6Nb/K7/3Rp3/2P1k3/5p2/4nP1B/4P3/1b4Q1 w - - 0 1)

Taverner, Thomas

3rd Prize, Leamington Chronicle, 1889

6Nb/K7/3Rp3/2P1k3/5p2/4nP1B/4P3/1b4Q1

#2

8 + 6

15 British Chess Magazine 1889

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Qa1#
    • 1...Bc2
      • 2.Qa1#
    • 1...Bd3
      • 2.Qa1#
    • 1...Be4
      • 2.Qa1#
    • 1...Bf5
      • 2.Qa1#
    • 1...Bg6
      • 2.Qa1#
    • 1...Bh7
      • 2.Qa1#
    • 1...Bg7
      • 2.Qxg7#
    • 1...Sd1
      • 2.Qd4#
    • 1...Sf1
      • 2.Qd4#
    • 1...Sc2
      • 2.Qg5#
    • 1...Sg2
      • 2.Qd4#
    • 1...Sc4
      • 2.Qd4#
    • 1...Sd5
      • 2.Rxe6#
  • Tries
    • 1.Qxe3+?
      • 1...Be4
        • 2.Qd4#
        • 2.Qc3#
        • 2.Qxe4#
      • 1...fxe3!
    • 1.Qxb1?
      • threat
        • 2.Qe4#
        • 2.Qa1#
        • 2.Qb2#
      • 1...Sd5
        • 2.Qe4#
      • 1...Sd1
        • 2.Qe4#
      • 1...Sc4
        • 2.Qe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Sf5
        • 2.Qe4#
      • 1...Sc2!
  • Keys
    • 1.Sh6!
      • 1...Kf6
        • 2.Rxe6#
      • 1...Ba2
        • 2.Qa1#
      • 1...Bc2
        • 2.Qa1#
      • 1...Bd3
        • 2.Qa1#
      • 1...Be4
        • 2.Qa1#
      • 1...Bf5
        • 2.Qa1#
      • 1...Bg6
        • 2.Qa1#
      • 1...Bh7
        • 2.Qa1#
      • 1...Bf6
        • 2.Sf7#
      • 1...Bg7
        • 2.Qxg7#
      • 1...Sd1
        • 2.Qd4#
      • 1...Sf1
        • 2.Qd4#
      • 1...Sc2
        • 2.Qg5#
      • 1...Sg2
        • 2.Qd4#
      • 1...Sc4
        • 2.Qd4#
      • 1...Sg4
        • 2.Qd4#
      • 1...Sd5
        • 2.Rxe6#
      • 1...Sf5
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::QAB(A)
    • B(f);N_GUARD::QAB(A),XB(f)
    • S(b);OGATE::QAB1(A)
    • S(b);N_GUARD,S_CUTB(a)::QAR2(A)
    • S(b);SBLOCK::R1(F),XP(e)
  • Tries
    • Try
      • Q(A);CHECK,XS(b)
      • Refutation
        • P(c);XQ(A)
    • Try
      • Q(A);XB(a)
      • Threat
        • DUALS(3)
      • Vars
        • S(b);::QAR1(A)
      • Refutation
        • S(b);
  • Actual
    • S(H);
    • Vars
      • K(d);P_SPINP(e),S_FLIGHT::R1(F),XP(e)
      • B(a);OGATE::QAB(A)
      • B(f);SBLOCK::S(H)
      • B(f);N_GUARD::QAB(A),XB(f)
      • S(b);OGATE::QAB1(A)
      • S(b);N_GUARD,S_CUTB(a)::QAR2(A)
      • S(b);SBLOCK::R1(F),XP(e)
      • S(b);N_GUARD,SBLOCK::S(H)
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