MESON Chess Problem Database

Problem Display
PID: 235384 (2K5/8/2p1Q1Bn/2p2P2/2p1b3/3kP2R/2N1pR2/N3B3 w - - 0 1)

Paslack, Rainer

Schach-Aktiv, 2007

2K5/8/2p1Q1Bn/2p2P2/2p1b3/3kP2R/2N1pR2/N3B3

#2

10 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.e4#
  • Tries
    • 1.Ba5?
      • threat
        • 2.Se1#
      • 1...e1Q
        • 2.Sxe1#
      • 1...e1S
        • 2.Sxe1#
        • 2.Rd2#
      • 1...e1B
        • 2.Sxe1#
      • 1...e1R
        • 2.Sxe1#
        • 2.Rd2#
      • 1...c3!
  • Keys
    • 1.Rf4!
      • threat
        • 2.Qxe4#
      • 1...Bxf5
        • 2.Qd7#
      • 1...Bf3
        • 2.Qxc4#
      • 1...Bh1
        • 2.Qxc4#
      • 1...Bg2
        • 2.Qxc4#
      • 1...Bd5
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(d);OGATE::R(F)+P(E)
  • Tries
    • Try
      • B(B);
      • Threat
        • S(C)
      • Vars
        • P(a);::S(C),XQ(a)
        • P(a);::S(C),XB(a)
      • Refutation
        • P(c);
  • Actual
    • R(D);
    • Threat
      • QAB1(H),XB(d)
    • Vars
      • B(d);N_GUARD,P_PINQ(H),P_SPINB(d),XP(G)::QAR(H)
      • B(d);::QAB1(H),XP(c)
      • B(d);OGATE::R(F)+P(E)
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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).