MESON Chess Problem Database

Problem Display
PID: 7207 (8/4p1Np/4R2P/5p2/3p2k1/3P4/6B1/2Q3K1 w - - 0 1)

Reitman, Mark

5th Prize, StrateGems, 1998

8/4p1Np/4R2P/5p2/3p2k1/3P4/6B1/2Q3K1

#2

7 + 5

145 StrateGems 1999
3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kg3
      • 2.Qg5#
    • 1...Kh4
      • 2.Qf4#
  • Tries
    • 1.Kf2?
      • 1...Kh4
        • 2.Qf4#
      • 1...f4!
    • 1.Kh2?
      • 1...Kh4
        • 2.Qf4#
      • 1...f4!
    • 1.Re4+?
      • 1...Kg3
        • 2.Sxf5#
        • 2.Sh5#
        • 2.Qf4#
        • 2.Qg5#
        • 2.Qe1#
      • 1...f4
        • 2.Qxf4#
      • 1...fxe4!
    • 1.Rg6+?
      • 1...Kh4
        • 2.Qf4#
        • 2.Qg5#
        • 2.Qe1#
      • 1...hxg6!
    • 1.Rxe7?
      • 1...Kg3
        • 2.Qg5#
      • 1...Kh4
        • 2.Qf4#
      • 1...f4!
    • 1.Qd2?
      • 1...Kg3
        • 2.Qg5#
      • 1...Kh4
        • 2.Qf4#
      • 1...f4!
    • 1.Qe1?
      • 1...Kf4
        • 2.Qh4#
      • 1...Kg5
        • 2.Qg3#
      • 1...f4!
    • 1.Qc7?
      • 1...Kh4
        • 2.Qf4#
      • 1...Kg5
        • 2.Qg3#
      • 1...f4!
  • Keys
    • 1.Sxf5!
      • 1...Kxf5
        • 2.Bh3#
      • 1...Kh5
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(b);P-FLIGHT::QAR2(A)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • R(E);CHECK
      • Vars
        • P(c);P_SPINP(c)::QAR1(A),XP(c)
      • Refutation
        • P(c);XR(E)
    • Try
      • R(E);CHECK
      • Refutation
        • P(e);XR(E)
    • Try
      • R(E);XP(d)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
  • Actual
    • S(G);XP(c)
    • Vars
      • K(b);S_FLIGHT,XS(G)::B(C)
      • K(b);S_FLIGHT::B(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).