Problem Display
PID: 48644 (3RbN2/3n1p2/K1B2P2/R1p1kpP1/8/1Q5p/1P5p/7N w - - 0 1)

Baxter, Crichton Milne

3rd Prize, Lebanon Herald, 1876

3RbN2/3n1p2/K1B2P2/R1p1kpP1/8/1Q5p/1P5p/7N

#2

10 + 8


285 The Chess Player's Chronicle (Staunton) 1877
508 Chess Chips 1878
5125 Chess Problems by the Late C M Baxter 1883

SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc3#
    • 1...Kf4
      • 2.Qg3#
    • 1...Sb6
      • 2.Qe3#
    • 1...Sxf6
      • 2.Qb8#
    • 1...Sb8+
      • 2.Qxb8#
    • 1...Sxf8
      • 2.Qe3#
    • 1...f4
      • 2.Qd5#
  • Tries
    • 1.Ka7?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Sxf6
        • 2.Qb8#
      • 1...Sxf8
        • 2.Qe3#
      • 1...Sb6
        • 2.Qe3#
      • 1...Sb8
        • 2.Qe3#
        • 2.Qxb8#
      • 1...f4
        • 2.Qd5#
      • 1...Kd6!
    • 1.Kb7?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6
        • 2.Qd5#
      • 1...Sxf8
        • 2.Qe3#
      • 1...Sb6
        • 2.Qe3#
      • 1...Sb8
        • 2.Qe3#
      • 1...f4
        • 2.Qd5#
      • 1...Sxf6!
    • 1.Bg2?
      • 1...Sb8+
        • 2.Qxb8#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6
        • 2.Qb8#
      • 1...Sxf6
        • 2.Qb8#
      • 1...Sxf8
        • 2.Qe3#
      • 1...Sb6
        • 2.Qe3#
      • 1...f4
        • 2.Qd5#
      • 1...hxg2!
    • 1.Bf3?
      • 1...Sb8+
        • 2.Qxb8#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kd6
        • 2.Qb8#
      • 1...Sxf6
        • 2.Qb8#
      • 1...Sxf8
        • 2.Qe3#
      • 1...Sb6
        • 2.Qe3#
      • 1...f4
        • 2.Qd5#
      • 1...Kf4!
    • 1.Rxd7?
      • threat
        • 2.Qe3#
        • 2.Qb8#
      • 1...Kf4
        • 2.Qg3#
      • 1...f4
        • 2.Rxc5#
        • 2.Qd5#
      • 1...Bxd7!
    • 1.Rxe8+?
      • 1...Kd4
        • 2.Qd5#
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6!
    • 1.Qc3+?
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6!
    • 1.Qd3?
      • 1...Kf4
        • 2.Qg3#
      • 1...Sxf6
        • 2.Qd4#
        • 2.Qd6#
      • 1...Sxf8
        • 2.Qe3#
        • 2.Qd6#
      • 1...Sb6
        • 2.Qe3#
        • 2.Qd4#
        • 2.Qd6#
      • 1...f4
        • 2.Rxe8#
        • 2.Qd5#
      • 1...Sb8+!
    • 1.Qg3+?
      • 1...Kd4
        • 2.Qc3#
      • 1...f4!
  • Keys
    • 1.Ba8!
      • 1...Sb8+
        • 2.Qxb8#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6
        • 2.Qb8#
      • 1...Sxf6
        • 2.Qb8#
      • 1...Sxf8
        • 2.Qe3#
      • 1...Sb6
        • 2.Qe3#
      • 1...f4
        • 2.Qd5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB1(C)
    • K(d);N_SPINP(c),S_FLIGHT::QAB1(C)
    • S(f);::QAR2(C)
    • S(f);N_GUARD,XP(H)::QAB(C)
    • S(f);CHECK,N_GUARD::QAB(C),XS(f)
    • S(f);XS(J)::QAR2(C)
    • P(e);SBLOCK::QAR1(C)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB1(C)
        • K(d);N_SPINP(c),S_FLIGHT::QAB1(C)
        • S(f);N_GUARD,XP(H)::QAB(C)
        • S(f);XS(J)::QAR2(C)
        • S(f);::QAR2(C)
        • P(e);SBLOCK::QAR1(C)
      • Refutation
        • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB1(C)
        • K(d);N_SPINP(c),S_FLIGHT::QAB1(C)
        • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAR1(C)
        • S(f);XS(J)::QAR2(C)
        • S(f);::QAR2(C)
        • P(e);SBLOCK::QAR1(C)
      • Refutation
        • S(f);XP(H)
    • Try
      • B(G);
      • Vars
        • S(f);CHECK,N_GUARD::QAB(C),XS(f)
        • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB1(C)
        • K(d);N_SPINP(c),S_FLIGHT::QAB1(C)
        • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB(C)
        • S(f);N_GUARD,XP(H)::QAB(C)
        • S(f);XS(J)::QAR2(C)
        • S(f);::QAR2(C)
        • P(e);SBLOCK::QAR1(C)
      • Refutation
        • P(b);XB(G)
    • Try
      • B(G);
      • Vars
        • S(f);CHECK,N_GUARD::QAB(C),XS(f)
        • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB1(C)
        • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB(C)
        • S(f);N_GUARD,XP(H)::QAB(C)
        • S(f);XS(J)::QAR2(C)
        • S(f);::QAR2(C)
        • P(e);SBLOCK::QAR1(C)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT
    • Try
      • R(I);XS(f)
      • Threat
        • DUALS(2)
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT::QAB1(C)
      • Refutation
        • B(h);XR(I)
    • Try
      • R(I);CHECK,XB(h)
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT::QAB1(C)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT::QAB1(C)
      • Refutation
        • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT::QAB1(C)
      • Refutation
        • S(f);CHECK
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB1(C)
      • Refutation
        • P(e);N_SPINP(c),P_SPINP(e)
  • Actual
    • B(G);
    • Vars
      • S(f);CHECK,N_GUARD::QAB(C),XS(f)
      • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB1(C)
      • K(d);N_SPINP(c),S_FLIGHT::QAB1(C)
      • K(d);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB(C)
      • S(f);N_GUARD,XP(H)::QAB(C)
      • S(f);XS(J)::QAR2(C)
      • S(f);::QAR2(C)
      • P(e);SBLOCK::QAR1(C)


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).