MESON Chess Problem Database

Problem Display
PID: 266880 (2b3r1/1PB2p2/Q3N1N1/n2k1rbR/3Pp1Kn/4p1P1/qp6/3R4 w - - 0 1)

Bottacchi, Antonio

Realismo e romanticismo nell'arte problemistica di Antonio B, 2005

2b3r1/1PB2p2/Q3N1N1/n2k1rbR/3Pp1Kn/4p1P1/qp6/3R4

#2

10 + 12

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Qd6#
    • 1...Rf1
      • 2.Se7#
    • 1...Rf2
      • 2.Se7#
    • 1...Rf3
      • 2.Se7#
    • 1...Rf4+
      • 2.Sxf4#
    • 1...Re5
      • 2.dxe5#
    • 1...Rf6
      • 2.Se7#
    • 1...Bf4
      • 2.Sxf4#
    • 1...Bf6
      • 2.Sf4#
    • 1...Be7
      • 2.Sf4#
    • 1...Bd8
      • 2.Sf4#
    • 1...Bxe6
      • 2.Qb5#
    • 1...Sc6
      • 2.Qxa2#
    • 1...fxe6
      • 2.Qb5#
    • 1...f6
      • 2.Se7#
  • Tries
    • 1.Bf4?
      • threat
        • 2.Sc7#
      • 1...Rxf4+
        • 2.Sxf4#
      • 1...Bxf4
        • 2.Sxf4#
      • 1...Bxe6
        • 2.Qb5#
      • 1...fxe6
        • 2.Qb5#
      • 1...Qc4
        • 2.Qd6#
      • 1...Re5
        • 2.dxe5#
      • 1...Rf6
        • 2.Se7#
      • 1...Bd8!
  • Keys
    • 1.Bb8!
      • threat
        • 2.Sc7#
      • 1...Rf4+
        • 2.Sxf4#
      • 1...Bxe6
        • 2.Qb5#
      • 1...fxe6
        • 2.Qb5#
      • 1...Sc6
        • 2.Qxa2#
      • 1...Qc4
        • 2.Qd6#
      • 1...Rf1
        • 2.Se7#
      • 1...Rf2
        • 2.Se7#
      • 1...Rf3
        • 2.Se7#
      • 1...Re5
        • 2.dxe5#
      • 1...Rf6
        • 2.Se7#
      • 1...Bf4
        • 2.Sxf4#
      • 1...Bd8
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • Q(a);SBLOCK::QAR1(F)
    • R(h);P_PINS(G),P_SPINB(i)::S(H)
    • R(h);CHECK,N_GUARD,P_PINS(G),P_SPINB(i)::S(H),XR(h)
    • R(h);OGATE,P_PINS(G)::R(A)+P(C),XR(h)
    • B(i);N_GUARD,P_PINS(H),P_SPINR(h)::S(G),XB(i)
    • B(i);N_GUARD,P_PINS(H),P_SPINR(h)::S(G)
    • B(k);SBLOCK,XS(G)::QAR2(F)
    • S(f);OGATE,SBLOCK::QAB(F),XQ(a)
    • P(j);SBLOCK,XS(G)::QAR2(F)
    • P(j);S_CUTB(i)::S(H)
  • Tries
    • Try
      • B(J);
      • Threat
        • S(G)
      • Vars
        • R(h);CHECK,P_PINS(G),P_SPINB(i),XB(J)::S(H),XR(h)
        • B(i);P_PINS(H),P_SPINR(h),XB(J)::S(G),XB(i)
        • B(k);SBLOCK,XS(G)::QAR2(F)
        • P(j);SBLOCK,XS(G)::QAR2(F)
        • Q(a);SBLOCK::QAR1(F)
        • R(h);OGATE,P_PINS(G)::R(A)+P(C),XR(h)
        • R(h);P_PINS(G),P_SPINB(i)::S(H)
      • Refutation
        • B(i);P_PINS(H),P_SPINR(h)
  • Actual
    • B(J);
    • Threat
      • S(G)
    • Vars
      • R(h);CHECK,N_GUARD,P_PINS(G),P_SPINB(i)::S(H),XR(h)
      • B(k);SBLOCK,XS(G)::QAR2(F)
      • P(j);SBLOCK,XS(G)::QAR2(F)
      • S(f);OGATE,SBLOCK::QAB(F),XQ(a)
      • Q(a);SBLOCK::QAR1(F)
      • R(h);P_PINS(G),P_SPINB(i)::S(H)
      • R(h);OGATE,P_PINS(G)::R(A)+P(C),XR(h)
      • B(i);N_GUARD,P_PINS(H),P_SPINR(h)::S(G),XB(i)
      • B(i);N_GUARD,P_PINS(H),P_SPINR(h)::S(G)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).