MESON Chess Problem Database

Problem Display
PID: 7295 (2q4B/1BPQ3n/6pN/r1pPb1p1/4kN2/3R2p1/P1PP4/4KR1b w - - 0 1)

Velimirovic, Milan

7th Prize, Netanya (Internet), 1999

2q4B/1BPQ3n/6pN/r1pPb1p1/4kN2/3R2p1/P1PP4/4KR1b

#2

13 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qd8
      • 2.d6#
    • 1...Qe8
      • 2.d6#
    • 1...Qf8
      • 2.d6#
    • 1...Qxh8
      • 2.d6#
    • 1...Ba1
      • 2.Re3#
    • 1...Bb2
      • 2.Re3#
    • 1...Bc3
      • 2.Re3#
    • 1...Bd6
      • 2.Re3#
    • 1...Bxc7
      • 2.Re3#
  • Tries
    • 1.Se2?
      • threat
        • 2.Re3#
      • 1...Bd4
        • 2.Sxg3#
      • 1...Bf4
        • 2.Sc3#
      • 1...Ra3!
    • 1.Qf5+?
      • 1...Qxf5
        • 2.d6#
      • 1...gxf5!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qe2#
      • 1...Qxg4
        • 2.d6#
      • 1...Bxf4
        • 2.Re3#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Bd4
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 9
  • Sets
    • Q(j);N_GUARD::B(J)+P(H)
    • Q(j);N_GUARD,XB(M)::B(J)+P(H)
    • B(f);::R1(F)
    • B(f);P_PINP(E)::R1(F)
    • B(f);XP(K)::R1(F)
  • Tries
    • Try
      • S(G);
      • Threat
        • R1(F)
      • Vars
        • B(f);N_GUARD::S(G),XP(b)
        • B(f);N_GUARD::S(G)
      • Refutation
        • R(d);
    • Try
      • Q(L);CHECK
      • Vars
        • Q(j);XQ(L)::B(J)+P(H)
      • Refutation
        • P(h);XQ(L)
  • Actual
    • Q(L);
    • Threat
      • QAR2(L)
    • Vars
      • Q(j);N_GUARD,XQ(L)::B(J)+P(H)
      • B(f);P_SPINB(f),XS(G)::R1(F)
      • B(a);N_GUARD::QAB1(L),XB(a)
      • B(f);N_GUARD::QAR(L)+S(G)
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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).