MESON Chess Problem Database

Problem Display
PID: 28820 (2R1N3/6b1/1Q6/B2k2nK/6N1/8/2r1P3/nB6 w - - 0 1)

Kosovac, Adi

StrateGems, 2001

2R1N3/6b1/1Q6/B2k2nK/6N1/8/2r1P3/nB6

#2

8 + 5

1101 BCSC Final 2023-2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Qd6#
    • 1...Ra2
      • 2.Qd6#
    • 1...Rb2
      • 2.Qd6#
    • 1...Rd2
      • 2.Qd6#
    • 1...Rxe2
      • 2.Qd6#
    • 1...Rc3
      • 2.Qd6#
    • 1...Rc4
      • 2.Rd8#
      • 2.Qd6#
    • 1...Bf6
      • 2.Sexf6#
    • 1...Bh6
      • 2.Sef6#
    • 1...Bf8
      • 2.Sef6#
  • Tries
    • 1.Rd8+?
      • 1...Kc4
        • 2.Se3#
        • 2.Qb4#
      • 1...Ke4!
    • 1.Qc6+?
      • 1...Kd4
        • 2.Rd8#
      • 1...Rxc6!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Qc6#
      • 1...Kxc4
        • 2.Se3#
      • 1...Rxc4
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • R(b);::QAR1(F)
    • R(b);XP(B)::QAR1(F)
    • B(e);N_GUARD::S(H),XB(e)
    • B(e);N_GUARD::S(H)
  • Tries
    • Try
      • R(G);CHECK
      • Refutation
        • K(c);P_SPINR(b),S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);P-FLIGHT::R(G)
      • Refutation
        • R(b);XQ(F)
  • Actual
    • R(G);
    • Threat
      • QAB1(F)
    • Vars
      • K(c);S_FLIGHT,XR(G)::S(C)
      • R(b);SBLOCK,XR(G)::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).