MESON Chess Problem Database

Problem Display
PID: 170046 (7Q/4K3/4RN2/4p2P/R2NrkPb/4p3/4B2P/8 w - - 0 1)

Salamanca, Tomas

Enroque!!, 1947

7Q/4K3/4RN2/4p2P/R2NrkPb/4p3/4B2P/8

#2

10 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Qh6#
    • 1...Bf2
      • 2.Qh6#
    • 1...Bg3
      • 2.Qh6#
    • 1...Bxf6+
      • 2.Qxf6#
  • Keys
    • 1.Rxe5!
      • 1...Rxe5+
        • 2.Se6#
      • 1...Bxf6+
        • 2.Qxf6#
      • 1...Kxe5
        • 2.Qb8#
      • 1...Rxd4
        • 2.Rf5#
      • 1...Be1
        • 2.Sd5#
      • 1...Bf2
        • 2.Sd5#
      • 1...Bg3
        • 2.Sd5#
      • 1...Bg5
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD,N_PINS(H)::QAB(J)
    • B(d);CHECK,OGATE,XS(H)::QAR2(J),XB(d)
  • Actual
    • R(G);P_SPINR(G),XP(e)
    • Vars
      • R(b);CHECK,SBLOCK,XR(G)::R(C)+S(D),DCHECK
      • B(d);CHECK,OGATE,XS(H)::QAR2(J),XB(d)
      • K(c);OGATEB,S_FLIGHT,XR(G)::QAB(J)
      • R(b);N_PINR(G),P_SPINR(b),XS(D)::R1(G)
      • B(d);N_PINS(H)::S(H)
      • B(d);SBLOCK::R1(G),XR(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).