MESON Chess Problem Database

Problem Display
PID: 95724 (K2R3B/1QNp4/4Nr2/5p1n/2k1b2R/Pr6/B1ppp1p1/2b5 w - - 0 1)

Vukcevich, Milan Radoje

L'Italia Scacchistica, 1981

K2R3B/1QNp4/4Nr2/5p1n/2k1b2R/Pr6/B1ppp1p1/2b5

#2

9 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe6
      • 2.Qd5#
    • 1...Rg6
      • 2.Qd5#
    • 1...Rh6
      • 2.Qd5#
    • 1...Rf7
      • 2.Qd5#
    • 1...Rf8
      • 2.Qd5#
    • 1...dxe6
      • 2.Qc6#
    • 1...d5
      • 2.Qxb3#
  • Tries
    • 1.Rxe4+?
      • 1...Kc3
        • 2.Qxb3#
      • 1...fxe4
        • 2.Qxb3#
      • 1...Kd3!
    • 1.Qxe4+?
      • 1...Kc3
        • 2.Qd4#
      • 1...fxe4!
  • Keys
    • 1.Kb8!
      • threat
        • 2.Qxb3#
      • 1...Kc3
        • 2.Qxb3#
      • 1...Kd3
        • 2.Qxb3#
      • 1...Rxe6
        • 2.Qb5#
      • 1...dxe6
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(k);XS(D)::QAB1(E)
    • R(k);::QAB1(E)
    • R(k);P_PINR(H)::QAB1(E)
    • P(l);N_GUARD,XS(D)::QAR2(E)
    • P(l);N_PINQ(E)::QAB1(E),XR(f)
  • Tries
    • Try
      • R(C);CHECK,N_SPINQ(E),XB(h)
      • Vars
        • K(g);N_SPINR(f),P-FLIGHT,P_SPINR(k)::QAR1(E),XR(f)
        • P(i);XR(C)::QAB1(E),XR(f)
      • Refutation
        • K(g);N_SPINR(f),P_SPINP(l),S_FLIGHT
    • Try
      • Q(E);CHECK,N_SPINQ(E),XB(h)
      • Vars
        • K(g);N_SPINR(f),P-FLIGHT,P_SPINR(k)::QAB1(E)
      • Refutation
        • P(i);P_SPINP(i),XQ(E)
  • Actual
    • K(G);P-FLIGHT
    • Threat
      • QAB1(E),XR(f)
    • Vars
      • K(g);N_SPINB(h),N_SPINR(f),P-FLIGHT,P_SPINR(k)::QAR1(E),XR(f)
      • K(g);N_SPINB(h),N_SPINR(f),P_SPINP(l),S_FLIGHT::QAR2(E),XR(f)
      • R(k);XS(D)::QAB1(E)
      • P(l);XS(D)::QAR1(E)
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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).