MESON Chess Problem Database

Problem Display
PID: 276205 (3r4/4B3/r7/2PPk1p1/1pKNP1Pb/4QP2/7n/6N1 w - - 0 1)

Alberto, Hassan

Vasquez, Moreno

Pat a Mat, 2004

3r4/4B3/r7/2PPk1p1/1pKNP1Pb/4QP2/7n/6N1

#2

10 + 7

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sc6#
    • 1...Ra2
      • 2.Sc6#
    • 1...Ra3
      • 2.Sc6#
    • 1...Ra4
      • 2.Sc6#
    • 1...Ra5
      • 2.Sc6#
    • 1...Rc6
      • 2.Sxc6#
    • 1...Ra7
      • 2.Sc6#
    • 1...Raa8
      • 2.Sc6#
    • 1...Rxd5
      • 2.exd5#
    • 1...Be1
      • 2.Qxg5#
    • 1...Bf2
      • 2.Qxg5#
    • 1...Bg3
      • 2.Qxg5#
    • 1...Sxf3
      • 2.Sgxf3#
      • 2.Sdxf3#
  • Tries
    • 1.Se6?
      • threat
        • 2.Qd4#
      • 1...Rxd5
        • 2.exd5#
      • 1...Sxf3
        • 2.Sxf3#
      • 1...Bf2
        • 2.Qxg5#
      • 1...Rxe6!
  • Keys
    • 1.Sde2!
      • threat
        • 2.Qd4#
      • 1...Rxd5
        • 2.exd5#
      • 1...Sxf3
        • 2.Sxf3#
      • 1...Bf2
        • 2.Qxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • R(f);N_GUARD::S(E)
    • R(f);N_GUARD,P_PINP(H)::S(E),XR(f)
    • R(g);OGATE,XP(I)::QAR(B)+P(F),XR(g)
    • B(c);N_GUARD::QAR2(B),XP(e)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAB1(B)
      • Vars
        • R(g);OGATE,XP(I)::QAR(B)+P(F),XR(g)
        • S(a);XP(C)::S(A),XS(a)
        • B(c);N_GUARD::QAR2(B),XP(e)
      • Refutation
        • R(f);XS(E)
  • Actual
    • S(E);
    • Threat
      • QAB1(B)
    • Vars
      • R(g);OGATE,XP(I)::QAR(B)+P(F),XR(g)
      • S(a);XP(C)::S(A),XS(a)
      • B(c);N_GUARD::QAR2(B),XP(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).