MESON Chess Problem Database

Problem Display
PID: 99865 (8/pN6/Rn2k1P1/2R2N2/B2n1p2/5Q1P/1Bp5/2K5 w - - 0 1)

Goldschmeding, Cornelis

Kiss (Janos)-75 JT, 1985

8/pN6/Rn2k1P1/2R2N2/B2n1p2/5Q1P/1Bp5/2K5

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se2+
      • 2.Qxe2#
    • 1...Sb3+
      • 2.Qxb3#
    • 1...Sxf3
      • 2.Sd8#
    • 1...Sb5
      • 2.Qd5#
    • 1...Sxf5
      • 2.Qe4#
    • 1...Sc6
      • 2.Qxc6#
  • Tries
    • 1.Ba1?
      • 1...Se2+
        • 2.Qxe2#
      • 1...Sb3+
        • 2.Qxb3#
      • 1...Sxf3
        • 2.Sd8#
      • 1...Sxf5
        • 2.Qe4#
      • 1...Sb5
        • 2.Qd5#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Kf6!
    • 1.Bb5?
      • 1...Se2+
        • 2.Qxe2#
      • 1...Sb3+
        • 2.Qxb3#
      • 1...Sxf3
        • 2.Sd8#
      • 1...Sxb5
        • 2.Qd5#
      • 1...Sxf5
        • 2.Qe4#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Kf6!
    • 1.Be8?
      • 1...Se2+
        • 2.Qxe2#
      • 1...Sb3+
        • 2.Qxb3#
      • 1...Sxf3
        • 2.Sd8#
      • 1...Sxf5
        • 2.Qe4#
      • 1...Sb5
        • 2.Sd8#
        • 2.Qe2#
        • 2.Qe4#
        • 2.Qd5#
        • 2.Qb3#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Kf6!
    • 1.Rxb6+?
      • 1...Sc6
        • 2.Qd5#
        • 2.Qxc6#
      • 1...axb6!
  • Keys
    • 1.h4!
      • 1...Se2+
        • 2.Qxe2#
      • 1...Sb3+
        • 2.Qxb3#
      • 1...Kf6
        • 2.Qc6#
      • 1...Sxf3
        • 2.Sd8#
      • 1...Sxf5
        • 2.Qe4#
      • 1...Sb5
        • 2.Qd5#
      • 1...Sc6
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(b);CHECK,N_GUARD::QAR(C),XS(b)
    • S(b);CHECK,N_GUARD::QAB(C),XS(b)
    • S(b);XQ(C)::S(J)
    • S(b);::QAB1(C)
    • S(b);XS(G)::QAR2(C)
    • S(b);N_GUARD,N_SPINS(d)::QAR2(C),XS(b)
  • Tries
    • Try
      • B(B);
      • Vars
        • S(b);CHECK,N_GUARD::QAR(C),XS(b)
        • S(b);CHECK,N_GUARD::QAB(C),XS(b)
        • S(b);XQ(C)::S(J)
        • S(b);XS(G)::QAR2(C)
        • S(b);::QAB1(C)
        • S(b);N_GUARD,N_SPINS(d)::QAR2(C),XS(b)
      • Refutation
        • K(e);N_SPINS(d),P-FLIGHT,P_SPINS(b)
    • Try
      • B(E);
      • Vars
        • S(b);CHECK,N_GUARD::QAR(C),XS(b)
        • S(b);CHECK,N_GUARD::QAB(C),XS(b)
        • S(b);XQ(C)::S(J)
        • S(b);XB(E)::QAB1(C)
        • S(b);XS(G)::QAR2(C)
        • S(b);N_GUARD,N_SPINS(d)::QAR2(C),XS(b)
      • Refutation
        • K(e);N_SPINS(d),P-FLIGHT,P_SPINS(b)
    • Try
      • B(E);
      • Vars
        • S(b);CHECK,N_GUARD::QAR(C),XS(b)
        • S(b);CHECK,N_GUARD::QAB(C),XS(b)
        • S(b);XQ(C)::S(J)
        • S(b);XS(G)::QAR2(C)
        • S(b);N_GUARD,N_SPINS(d)::QAR2(C),XS(b)
      • Refutation
        • K(e);N_SPINS(d),P-FLIGHT,P_SPINS(b)
    • Try
      • R(H);CHECK,XS(d)
      • Refutation
        • P(f);XR(H)
  • Actual
    • P(D);
    • Vars
      • S(b);CHECK,N_GUARD::QAR(C),XS(b)
      • S(b);CHECK,N_GUARD::QAB(C),XS(b)
      • K(e);N_SPINS(d),P-FLIGHT,P_SPINS(b)::QAR(C)
      • S(b);XQ(C)::S(J)
      • S(b);XS(G)::QAR2(C)
      • S(b);::QAB1(C)
      • S(b);N_GUARD,N_SPINS(d)::QAR2(C),XS(b)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).