MESON Chess Problem Database

Problem Display
PID: 246010 (8/2Q5/3p2NR/3k1p1B/4r1P1/B4P2/K1N5/b7 w - - 0 1)

Svitek, Miroslav

Source?, 1999

8/2Q5/3p2NR/3k1p1B/4r1P1/B4P2/K1N5/b7

#2

9 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Qxd6#
    • 1...Re5
      • 2.Sf4#
    • 1...Be5
      • 2.Se7#
  • Tries
    • 1.Sf4+?
      • 1...Ke5
        • 2.Bxd6#
        • 2.Qxd6#
      • 1...Rxf4!
    • 1.Se7+?
      • 1...Ke5
        • 2.Bxd6#
        • 2.Qxd6#
      • 1...Rxe7!
    • 1.Qc5+?
      • 1...Ke6
        • 2.Qxf5#
      • 1...dxc5!
    • 1.Qb7+?
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke6!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qa5#
        • 2.Qxd6#
      • 1...Kxe5
        • 2.Qxd6#
      • 1...Rxe5
        • 2.Rxd6#
      • 1...Bxe5
        • 2.Bf7#
      • 1...dxe5
        • 2.Bf7#
        • 2.Rd6#
        • 2.Qc5#
        • 2.Qc6#
        • 2.Qf7#
      • 1...Ra4
        • 2.Qxd6#
      • 1...Rb4
        • 2.Qxd6#
      • 1...Rc4
        • 2.Qxd6#
      • 1...Bc3
        • 2.Qxd6#
      • 1...Bd4
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::QAR1(I),XP(e)
    • R(b);N_GUARD,SBLOCK::S(G)
    • B(a);SBLOCK,S_CUTR(b)::S(G)
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • R(b);XS(G)
    • Try
      • S(G);CHECK
      • Refutation
        • R(b);XS(G)
    • Try
      • Q(I);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAB1(I),XP(d)
      • Refutation
        • P(e);XQ(I)
    • Try
      • Q(I);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(I)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(G);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);P-FLIGHT,P_SPINP(e),XS(G)::QAB1(I),XP(e)
      • R(b);SBLOCK,XS(G)::R1(H),XP(e)
      • B(a);SBLOCK,XS(G)::B(F)
      • R(b);P_PINB(C)::QAR1(I),XP(e)
      • R(b);::QAR1(I),XP(e)
      • B(a);::QAR1(I),XP(e)
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).