MESON Chess Problem Database

Problem Display
PID: 2721 (4R3/3p4/1N1pn1QN/1K1Pk3/1p2p2P/1P2n3/3BP3/8 w - - 0 1)

Taylor, Jesse Paul

Prize, British Chess Problem Association Ty., 1878

4R3/3p4/1N1pn1QN/1K1Pk3/1p2p2P/1P2n3/3BP3/8

#2

10 + 7

508 Chess Chips 1878
5024 Elementary Chess Problems 1880
187 The Chess Bouquet 1897
3979 Systematic Terminology 1984
284 Illustrated London News ????

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qf6#
    • 1...Sd1
      • 2.Qg7#
    • 1...Sf1
      • 2.Qg7#
    • 1...Sc2
      • 2.Qg7#
    • 1...Sg2
      • 2.Qg7#
    • 1...Sc4
      • 2.Qg7#
  • Tries
    • 1.Sf7+?
      • 1...Kd4
        • 2.Qf6#
      • 1...Kf4!
    • 1.Rxe6+?
      • 1...Kd4
        • 2.Rxe4#
        • 2.Qxe4#
        • 2.Qf6#
        • 2.Qg7#
      • 1...Kf4
        • 2.Rxe4#
        • 2.Qg4#
        • 2.Qg5#
      • 1...dxe6!
    • 1.Qf5+?
      • 1...Kd4
        • 2.Qf6#
      • 1...Sxf5!
    • 1.Qg3+?
      • 1...Kf6
        • 2.Sxd7#
      • 1...Kd4!
    • 1.Qg5+?
      • 1...Kd4
        • 2.Qf6#
      • 1...Sf5!
    • 1.Qxe6+?
      • 1...Kd4
        • 2.Qxe4#
        • 2.Qf6#
      • 1...Kf4
        • 2.Qg4#
        • 2.Qxd6#
      • 1...dxe6!
  • Keys
    • 1.Qg1!
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf4
        • 2.Qh2#
      • 1...Kf6
        • 2.Sxd7#
      • 1...Sxd5
        • 2.Sxd7#
      • 1...Sd1
        • 2.Qg7#
      • 1...Sf1
        • 2.Qg7#
      • 1...Sc2
        • 2.Qg7#
      • 1...Sg2
        • 2.Qa1#
      • 1...Sc4
        • 2.Qg7#
      • 1...Sg4
        • 2.Qa1#
      • 1...Sf5
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(d);N_SPINS(f),S_FLIGHT::QAB(H)
    • S(a);::QAB(H)
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • K(d);N_SPINS(f),S_FLIGHT::QAB(H)
      • Refutation
        • K(d);N_SPINS(f),P_SPINS(a),S_FLIGHT
    • Try
      • R(J);CHECK,XS(f)
      • Refutation
        • P(g);XR(J)
    • Try
      • Q(H);CHECK
      • Vars
        • K(d);N_SPINS(f),S_FLIGHT::QAB(H)
      • Refutation
        • S(a);XQ(H)
    • Try
      • Q(H);CHECK
      • Vars
        • K(d);N_SPINS(f),S_FLIGHT::S(G),XP(g)
      • Refutation
        • K(d);N_SPINS(f),S_FLIGHT
    • Try
      • Q(H);CHECK
      • Vars
        • K(d);N_SPINS(f),S_FLIGHT::QAB(H)
      • Refutation
        • S(a);N_SPINS(f),P_SPINS(a)
    • Try
      • Q(H);CHECK,XS(f)
      • Refutation
        • P(g);P_SPINP(g),XQ(H)
  • Actual
    • Q(H);
    • Vars
      • K(d);N_SPINS(f),P_SPINS(a),S_FLIGHT::QAB(H)
      • K(d);N_SPINS(f),S_FLIGHT::S(G),XP(g)
      • S(a);SBLOCK,XP(F)::S(G),XP(g)
      • S(a);::QAB(H)
      • S(a);N_GUARD,SBLOCK::S(I)
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