MESON Chess Problem Database

Problem Display
PID: 37076 (2K2BB1/8/5P2/8/2pkP1R1/Q3p3/6b1/2r1N3 w - - 0 1)

Markovtsy, Vassyl Yuriovich

2nd Prize, Die Schwalbe, 2001

2K2BB1/8/5P2/8/2pkP1R1/Q3p3/6b1/2r1N3

#2

8 + 5

23 Die Schwalbe 2004
15174 FIDE Album (2001-2003) 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qd6#
    • 1...Rc3
      • 2.Qc5#
      • 2.Qd6#
    • 1...Bf1
      • 2.Sf3#
    • 1...Bf3
      • 2.Sxf3#
    • 1...Bh3
      • 2.Sf3#
    • 1...Bxe4
      • 2.Sf3#
    • 1...c3
      • 2.Qc5#
      • 2.Qd6#
  • Tries
    • 1.Sc2+?
      • 1...Ke5
        • 2.Qd6#
        • 2.Qe7#
        • 2.Qc3#
      • 1...Rxc2!
    • 1.Sd3?
      • threat
        • 2.Bc5#
      • 1...Rc3
        • 2.Qd6#
      • 1...c3
        • 2.Qd6#
      • 1...cxd3+!
    • 1.Qd3+?
      • 1...Ke5
        • 2.Qd6#
      • 1...cxd3+!
    • 1.e5+?
      • 1...Be4
        • 2.Sf3#
      • 1...Kxe5!
    • 1.f7?
      • threat
        • 2.Bg7#
      • 1...Ke5
        • 2.Qd6#
      • 1...c3
        • 2.Qc5#
      • 1...Bxe4!
  • Keys
    • 1.Bg7!
      • threat
        • 2.f7#
      • 1...Ke5
        • 2.Qc5#
      • 1...Bxe4
        • 2.Sf3#
      • 1...c3
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • K(e);S_FLIGHT::QAB1(B)
    • B(b);N_GUARD::S(A)
    • B(b);N_GUARD::S(A),XB(b)
    • B(b);N_GUARD,P_PINR(D)::S(A)
    • B(b);N_GUARD,P_SPINB(b),XP(C)::S(A)
  • Tries
    • Try
      • S(A);CHECK
      • Refutation
        • R(a);XS(A)
    • Try
      • S(A);
      • Threat
        • B(G)
      • Vars
        • R(a);SBLOCK::QAR2(B)
        • P(d);SBLOCK::QAR2(B)
      • Refutation
        • P(d);CHECK,XS(A)
    • Try
      • Q(B);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT::QAB1(B)
      • Refutation
        • P(d);CHECK,XQ(B)
    • Try
      • P(C);CHECK
      • Vars
        • B(b);P_SPINB(b)::S(A)
      • Refutation
        • K(e);S_FLIGHT,XP(C)
    • Try
      • P(E);
      • Threat
        • B(G)
      • Vars
        • K(e);S_FLIGHT::QAB1(B)
        • P(d);::QAB1(B)
      • Refutation
        • B(b);P_SPINB(b),XP(C)
  • Actual
    • B(G);
    • Threat
      • B(G)+P(E)
    • Vars
      • K(e);S_FLIGHT::QAR2(B)
      • B(b);N_GUARD,P_SPINB(b),XP(C)::S(A)
      • P(d);SBLOCK::QAR2(B)
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).