MESON Chess Problem Database

Problem Display
PID: 101689 (8/8/4R3/8/2K5/5N2/RB1bnk1N/3Q2nB w - - 0 1)

Leschemelle, Matthieu

Savournin, Jacques

diagrammes, 0000

8/8/4R3/8/2K5/5N2/RB1bnk1N/3Q2nB

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Qe1#
    • 1...Be1
      • 2.Qxe1#
    • 1...Be3
      • 2.Qe1#
    • 1...Bf4
      • 2.Qe1#
    • 1...Bg5
      • 2.Qe1#
    • 1...Bh6
      • 2.Qe1#
    • 1...Sc1
      • 2.Qxg1#
    • 1...Sc3
      • 2.Qxg1#
    • 1...Sg3
      • 2.Sg4#
      • 2.Bd4#
      • 2.Qxg1#
    • 1...Sd4
      • 2.Qxg1#
    • 1...Sf4
      • 2.Qxg1#
  • Tries
    • 1.Bd4+?
      • 1...Be3
        • 2.Qe1#
        • 2.Qxg1#
      • 1...Sxd4
        • 2.Qe1#
        • 2.Qxg1#
      • 1...Kg3!
  • Keys
    • 1.Be5!
      • threat
        • 2.Sg4#
      • 1...Ke3
        • 2.Bg3#
      • 1...Bf4
        • 2.Qxg1#
      • 1...Sf4
        • 2.Qe1#
      • 1...Be1
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • B(b);N_GUARD::QAB1(A)
    • B(b);N_GUARD::QAB1(A),XB(b)
    • S(c);N_GUARD::QAB1(A),XS(a)
  • Tries
    • Try
      • B(D);CHECK
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • B(D);
    • Threat
      • S(E)
    • Vars
      • K(d);S_FLIGHT::R(H)+B(D)
      • B(b);P_SPINS(c)::QAB1(A),XS(a)
      • S(c);P_SPINB(b)::QAB1(A)
      • B(b);OGATE,P_SPINS(c)::QAB(A)
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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).