MESON Chess Problem Database

Problem Display
PID: 181903 (8/8/4b3/3k4/1K3B2/1p2Pp2/7Q/5B2 w - - 0 1)

Levay, Kalman

Pesti Naplo, 1905

8/8/4b3/3k4/1K3B2/1p2Pp2/7Q/5B2

#2

5 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...f2
      • 2.Bg2#
      • 2.Qh1#
      • 2.Qg2#
  • Tries
    • 1.Qd2+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc6!
    • 1.Qh5+?
      • 1...Ke4
        • 2.Qe5#
      • 1...Kc6
        • 2.Qb5#
      • 1...Bf5!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qxf3#
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc6
        • 2.Qb5#
      • 1...fxe2
        • 2.Bg2#
      • 1...Bh3
        • 2.Qc4#
      • 1...Bg4
        • 2.Qc4#
      • 1...Bf5
        • 2.Qc4#
      • 1...Bd7
        • 2.Qc4#
      • 1...Bf7
        • 2.Qc4#
      • 1...Bc8
        • 2.Qc4#
      • 1...Bg8
        • 2.Qc4#
      • 1...f2
        • 2.Bg2#
        • 2.Qf3#
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(B)
        • K(c);OGATE,S_FLIGHT::QAB1(B)
      • Refutation
        • B(d);P_SPINB(d)
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);S_FLIGHT::QAB1(B)
      • P(b);OGATEB,XQ(B)::B(A)
      • B(d);::QAB1(B)
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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).