MESON Chess Problem Database

Problem Display
PID: 170039 (8/1r6/5pN1/bp1P1Qp1/1BPk3q/4p3/1KP1b2r/8 w - - 0 1)

Salamanca, Tomas

Enroque!!, 1946

8/1r6/5pN1/bp1P1Qp1/1BPk3q/4p3/1KP1b2r/8

#2

7 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Qd3#
    • 1...Bd3
      • 2.Qxd3#
    • 1...Bf3
      • 2.Qd3#
    • 1...Bg4
      • 2.Qd3#
    • 1...Bh5
      • 2.Qd3#
    • 1...bxc4
      • 2.c3#
    • 1...g4
      • 2.Qf4#
  • Keys
    • 1.d6!
      • threat
        • 2.Qd5#
      • 1...Kxc4
        • 2.Qc5#
      • 1...Bxc4
        • 2.Bc5#
      • 1...bxc4
        • 2.c3#
      • 1...Qe4
        • 2.Qc5#
      • 1...Bf3
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • B(a);N_GUARD,P_PINP(B)::QAR1(F)
    • B(a);N_GUARD,P_PINP(B)::QAR1(F),XB(a)
    • P(g);P_PINB(C),SBLOCK,XP(D)::P(B)
    • P(h);N_GUARD,S_CUTQ(e)::QAR2(F)
  • Actual
    • P(E);
    • Threat
      • QAR1(F)
    • Vars
      • K(d);P-FLIGHT,XP(D)::QAR1(F)
      • B(a);P_PINP(B),SBLOCK,XP(D)::B(C)
      • P(g);P_PINB(C),SBLOCK,XP(D)::P(B)
      • Q(e);SBLOCK::QAB1(F)
      • B(a);N_GUARD,P_PINP(B)::QAR1(F)
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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).