MESON Chess Problem Database

Problem Display
PID: 5028 (2N5/1p6/bQ4Pp/3Pkp1K/1N3p2/5P2/8/8 w - - 0 1)

Teed, Frank Melville

La Presse, 1897

2N5/1p6/bQ4Pp/3Pkp1K/1N3p2/5P2/8/8

#2

7 + 6

328 Schweizerische Schachzeitung 1901
5454 Near Snap 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Qg1?
      • threat
        • 2.Qa1#
      • 1...Kf6
        • 2.Qd4#
        • 2.Qa1#
      • 1...Bf1!
    • 1.Qf2?
      • threat
        • 2.Qb2#
      • 1...Kf6
        • 2.Qd4#
        • 2.Qb2#
      • 1...Be2!
    • 1.Qe3+?
      • 1...Kf6
        • 2.Qd4#
        • 2.Qc3#
        • 2.Qe7#
      • 1...fxe3!
    • 1.Qa5?
      • threat
        • 2.Qa1#
      • 1...Kf6
        • 2.Qa1#
      • 1...Kd4!
    • 1.Qc5?
      • threat
        • 2.Qc3#
      • 1...Kf6
        • 2.Qd4#
        • 2.Qe7#
        • 2.Qc3#
      • 1...Bc4!
    • 1.Qc7+?
      • 1...Kf6
        • 2.Qc3#
        • 2.Qe7#
      • 1...Kd4!
  • Keys
    • 1.Qa7!
      • 1...Kf6
        • 2.Qd4#
      • 1...b6
        • 2.Qg7#
      • 1...Bf1
        • 2.Qa1#
      • 1...Be2
        • 2.Qa1#
      • 1...Bd3
        • 2.Qa1#
      • 1...Bc4
        • 2.Qa1#
      • 1...Bb5
        • 2.Qa1#
      • 1...b5
        • 2.Qg7#

Anticipated by 49419(0000)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAB(E)
      • Refutation
        • B(d);
    • Try
      • Q(E);
      • Threat
        • QAB(E)
      • Refutation
        • B(d);P_PINP(A)
    • Try
      • Q(E);CHECK
      • Refutation
        • P(a);XQ(E)
    • Try
      • Q(E);
      • Threat
        • QAB(E)
      • Vars
        • K(b);S_FLIGHT::QAB(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB(E)
      • Refutation
        • B(d);
    • Try
      • Q(E);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(b);S_FLIGHT::QAB(E)
      • P(f);OGATE::QAB(E)
      • B(d);OGATE::QAB(E)
      • B(d);OGATE,P_PINP(A)::QAB(E)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).