MESON Chess Problem Database

Problem Display
PID: 272785 (8/3K4/6p1/2pNNp1b/1n2kP1b/2PR1p2/8/7Q w - - 0 1)

Salinkov, S

Shakhmatnaya kompozitsiya, 1998

8/3K4/6p1/2pNNp1b/1n2kP1b/2PR1p2/8/7Q

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Qxe1#
    • 1...Bg5
      • 2.Qe1#
    • 1...Bf6
      • 2.Qe1#
    • 1...Be7
      • 2.Qe1#
    • 1...Bd8
      • 2.Qe1#
    • 1...c4
      • 2.Rd4#
  • Tries
    • 1.Qb1?
      • threat
        • 2.Rd4#
      • 1...Sxd3
        • 2.Qxd3#
      • 1...Sxd5
        • 2.Rxf3#
      • 1...Sc2!
  • Keys
    • 1.Rxf3!
      • threat
        • 2.Re3#
      • 1...Kxd5
        • 2.Rd3#
      • 1...Bxf3
        • 2.Qxf3#
      • 1...Sxd5
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • B(d);N_GUARD::QAR(A),XB(d)
    • B(d);N_GUARD::QAR(A)
    • P(e);N_GUARD::R1(C)
  • Tries
    • Try
      • Q(A);N_PINP(a)
      • Threat
        • QAB(A)+R(C),DCHECK
      • Vars
        • S(b);OGATE,P_SPINS(b),XR(C)::QAB1(A),XS(b)
        • S(b);N_GUARD,SBLOCK,XS(E)::QAB(A)+R(C),XP(a)
      • Refutation
        • S(b);
  • Actual
    • R(C);XP(a)
    • Threat
      • QAB(A)+R(C),DCHECK
    • Vars
      • K(c);S_FLIGHT,XS(E)::QAB(A)+R(C),DCHECK
      • B(g);OGATE,P_SPINB(g),XR(C)::QAB1(A),XB(g)
      • S(b);N_GUARD,SBLOCK,XS(E)::QAB(A)
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).