MESON Chess Problem Database

Problem Display
PID: 234806 (K1N4b/2pPrp2/2p5/Q4p2/N1P1k3/1p1pB3/3P2P1/r3R3 w - - 0 1)

Cuppini, Alessandro

Source?, 0000

K1N4b/2pPrp2/2p5/Q4p2/N1P1k3/1p1pB3/3P2P1/r3R3

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Sc3#
    • 1...Bc3
      • 2.Sxc3#
    • 1...Be5
      • 2.Sc5#
    • 1...f6
      • 2.Sc3#
  • Tries
    • 1.Bg5+?
      • 1...Kd4
        • 2.Qc3#
        • 2.Qc5#
      • 1...Rxe1!
    • 1.Bh6+?
      • 1...Kd4
        • 2.Qc3#
        • 2.Qc5#
      • 1...Rxe1!
  • Keys
    • 1.Qxc7!
      • threat
        • 2.Qf4#
      • 1...Rxa4+
        • 2.Ba7#
      • 1...f4
        • 2.Qxf4#
      • 1...Re5
        • 2.Sd6#
      • 1...Be5
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(h);S_CUTB(j)::S(E)
    • B(j);N_GUARD::S(E),XB(j)
    • B(j);SBLOCK::S(E)
    • P(i);S_CUTB(j)::S(E)
  • Tries
    • Try
      • B(D);CHECK
      • Refutation
        • R(a);XR(A)
    • Try
      • B(D);CHECK
      • Refutation
        • R(a);XR(A)
  • Actual
    • Q(G);P_SPINS(E),XP(g)
    • Threat
      • QAR1(G)
    • Vars
      • R(a);CHECK,N_GUARD,XS(E)::R(A)+B(D)
      • P(e);::QAR1(G),XP(e)
      • R(h);SBLOCK::S(J)
      • B(j);SBLOCK::QAB(G),XP(f)
HTML5 logo

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).