MESON Chess Problem Database

Problem Display
PID: 96837 (3QK3/p7/1N6/2P1k1B1/r5nR/5b1B/p2nPR1b/q3r3 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

3QK3/p7/1N6/2P1k1B1/r5nR/5b1B/p2nPR1b/q3r3

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qd5#
    • 1...Re4
      • 2.Qd5#
    • 1...Bxe2
      • 2.Qd5#
    • 1...Be4
      • 2.Qd6#
    • 1...Bd5
      • 2.Qxd5#
    • 1...Se4
      • 2.Qd5#
    • 1...Sxf2
      • 2.Bf6#
      • 2.Qf6#
      • 2.Qc7#
      • 2.Qe7#
      • 2.Qd6#
      • 2.Qb8#
    • 1...Se3
      • 2.Bf6#
      • 2.Qf6#
      • 2.Qc7#
      • 2.Qe7#
      • 2.Qd6#
      • 2.Qb8#
    • 1...Sf6+
      • 2.Bxf6#
      • 2.Qxf6#
    • 1...Sh6
      • 2.Bf6#
      • 2.Qf6#
      • 2.Qc7#
      • 2.Qe7#
      • 2.Qd6#
      • 2.Qb8#
  • Tries
    • 1.Rxf3?
      • threat
        • 2.Qd5#
      • 1...Sf6+
        • 2.Bxf6#
        • 2.Qxf6#
      • 1...Ke4
        • 2.Qd5#
      • 1...Ke6
        • 2.Qe7#
        • 2.Qd5#
      • 1...Qd4
        • 2.Qe7#
      • 1...Rd4
        • 2.Qe7#
      • 1...Se3
        • 2.Bf6#
        • 2.Qf6#
        • 2.Qc7#
        • 2.Qe7#
        • 2.Qd6#
        • 2.Qb8#
      • 1...axb6!
    • 1.Qe7+?
      • 1...Kd4
        • 2.Qe3#
      • 1...Kf5!
    • 1.Qd6+?
      • 1...Ke4
        • 2.Qd5#
      • 1...Kf5!
  • Keys
    • 1.e4!
      • threat
        • 2.Qd5#
      • 1...Sf6+
        • 2.Bxf6#
        • 2.Qxf6#
      • 1...Kxe4
        • 2.Qd5#
      • 1...Ke6
        • 2.Qe7#
        • 2.Qd5#
      • 1...Bxe4
        • 2.Qd6#
      • 1...Qd4
        • 2.Qe7#
      • 1...Rd4
        • 2.Qe7#
      • 1...Se3
        • 2.Bf6#
        • 2.Qf6#
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • K(i);P-FLIGHT,P_SPINS(h)::QAB1(H)
    • R(g);S_CUTB(f)::QAR1(H)
    • B(f);N_GUARD,XP(A)::QAR1(H)
    • B(f);SBLOCK::QAB1(H)
    • B(f);N_GUARD::QAR1(H),XB(f)
    • S(d);S_CUTB(f)::QAR1(H)
  • Tries
    • Try
      • R(B);XB(f)
      • Threat
        • QAR1(H)
      • Vars
        • K(i);P-FLIGHT,P_SPINS(h)::QAB1(H)
        • Q(a);SBLOCK::QAR2(H)
        • R(g);SBLOCK::QAR2(H)
      • Refutation
        • P(j);XS(G)
    • Try
      • Q(H);CHECK
      • Vars
        • K(i);OGATE,P_SPINS(h),S_FLIGHT::QAB1(H)
      • Refutation
        • K(i);P-FLIGHT,P_SPINB(f),P_SPINS(h)
    • Try
      • Q(H);CHECK
      • Vars
        • K(i);P-FLIGHT,P_SPINS(h)::QAB1(H)
      • Refutation
        • K(i);P-FLIGHT,P_PINP(A),P_SPINB(f),P_SPINS(h)
  • Actual
    • P(A);
    • Threat
      • QAR1(H)
    • Vars
      • K(i);P-FLIGHT,P_SPINS(h),XP(A)::QAB1(H)
      • B(f);SBLOCK,XP(A)::QAB1(H)
      • Q(a);SBLOCK::QAR2(H)
      • R(g);SBLOCK::QAR2(H)
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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).