MESON Chess Problem Database

Problem Display
PID: 15576 (B7/B1pNp3/8/7p/4N2p/3p1k2/3R1pR1/1Q3Kb1 w - - 0 1)

Popov, Valery

1st Prize, 64 Shakhmatnoe obozrenie, 1986

B7/B1pNp3/8/7p/4N2p/3p1k2/3R1pR1/1Q3Kb1

#2

8 + 8

3297 FIDE Album (1986-1988) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Rdxf2#
  • Tries
    • 1.Sd6+?
      • 1...Kf4
        • 2.Qb4#
      • 1...c6!
    • 1.Qc1?
      • threat
        • 2.Rxd3#
      • 1...Kf4
        • 2.Rdxf2#
      • 1...c6!
    • 1.Qb4?
      • threat
        • 2.Sg5#
      • 1...Kf4
        • 2.Sd6#
      • 1...c5!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qf8#
      • 1...Kf4
        • 2.Qf8#
      • 1...c6
        • 2.Sg5#
      • 1...Bh2
        • 2.Rdxf2#
      • 1...c5
        • 2.Rxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::R1(C),XP(b)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR(A)
      • Refutation
        • P(g);P_SPINP(g)
    • Try
      • Q(A);
      • Threat
        • R(C),XP(c)
      • Vars
        • K(d);P-FLIGHT::QAB(A)+R(C),DCHECK,XP(b)
      • Refutation
        • P(g);
    • Try
      • Q(A);
      • Threat
        • B(H)+S(E),DCHECK
      • Vars
        • K(d);P-FLIGHT::QAR(A)+S(E)
      • Refutation
        • P(g);
  • Actual
    • Q(A);
    • Threat
      • QAR(A)
    • Vars
      • K(d);P-FLIGHT,P_SPINP(g)::QAR(A)
      • P(g);::S(E)
      • B(a);N_GUARD::R1(C),XP(b)
      • P(g);::R(C),XP(c)
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).