MESON Chess Problem Database

Problem Display
PID: 266884 (2q4b/BP3p2/3N2r1/3Pn2N/Rp1pp3/4k3/1PP1P1P1/K3Q2R w - - 0 1)

Bottacchi, Antonio

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

2q4b/BP3p2/3N2r1/3Pn2N/Rp1pp3/4k3/1PP1P1P1/K3Q2R

#2

13 + 9

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qf5
      • 2.Sxf5#
    • 1...Qxb7
      • 2.Sf5#
    • 1...Qxc2
      • 2.Sf5#
    • 1...Qc3
      • 2.Sf5#
    • 1...Qc4
      • 2.Sf5#
    • 1...Qc5
      • 2.Sf5#
    • 1...Qc6
      • 2.Sf5#
    • 1...Qc7
      • 2.Sf5#
    • 1...Qa8
      • 2.Sf5#
    • 1...Qb8
      • 2.Sf5#
    • 1...Qd8
      • 2.Sf5#
    • 1...Qe8
      • 2.Sf5#
    • 1...Qf8
      • 2.Sf5#
    • 1...Qg8
      • 2.Sf5#
    • 1...Re6
      • 2.Sf5#
    • 1...Sd3
      • 2.exd3#
    • 1...Sf3
      • 2.exf3#
    • 1...Sg4
      • 2.Rh3#
    • 1...Sc6
      • 2.Sc4#
    • 1...Sd7
      • 2.Sf5#
    • 1...b3
      • 2.Bxd4#
  • Tries
    • 1.Qd2+?
      • 1...Kf2
        • 2.e3#
      • 1...Kxd2!
    • 1.Qf2+?
      • 1...Kd2
        • 2.e3#
      • 1...Kxf2!
    • 1.Qc1+?
      • 1...Kxe2
        • 2.Qe1#
      • 1...Kf2!
    • 1.Qg1+?
      • 1...Kxe2
        • 2.Qe1#
      • 1...Kd2!
  • Keys
    • 1.Rxb4!
      • threat
        • 2.Bxd4#
      • 1...Qc3
        • 2.Sf5#
      • 1...Qc4
        • 2.Sf5#
      • 1...Qc5
        • 2.Sf5#
      • 1...Qa8
        • 2.Sf5#
      • 1...Sd3
        • 2.exd3#
      • 1...Sf3
        • 2.exf3#
      • 1...Sc4
        • 2.Rb3#
      • 1...Sg4
        • 2.Rh3#
      • 1...Sc6
        • 2.Sc4#
        • 2.Rb3#
      • 1...Sd7
        • 2.Sf5#

This is a version

Version by Oscar Bonivento.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 13
  • Sets
    • Q(h);N_GUARD::S(K),XQ(h)
    • Q(h);N_GUARD,XP(M)::S(K)
    • Q(h);N_GUARD,XP(E)::S(K)
    • Q(h);N_GUARD,P_PINP(D)::S(K)
    • Q(h);N_GUARD::S(K)
    • Q(h);N_GUARD,N_SPINP(c)::S(K)
    • R(f);S_CUTQ(h)::S(K)
    • S(e);OGATE::QAR(B)+P(F),XS(e)
    • S(e);N_GUARD,S_CUTQ(h),S_CUTR(f)::R(C)
    • S(e);N_GUARD,S_CUTQ(h)::S(K)
    • S(e);S_CUTQ(h)::S(K)
    • P(b);::B(L),XP(c)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR(B)+P(F)
      • Refutation
        • K(a);N_SPINP(c),S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);N_SPINP(c),OGATE,S_FLIGHT::QAR(B)+P(F)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);N_SPINP(c),OGATEB,P-FLIGHT,XP(F)::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);N_SPINP(c),OGATEB,P-FLIGHT,XP(F)::QAR1(B)
      • Refutation
        • K(a);N_SPINP(c),S_FLIGHT
  • Actual
    • R(H);XP(b)
    • Threat
      • B(L),XP(c)
    • Vars
      • Q(h);N_GUARD,P_PINP(D)::S(K)
      • Q(h);N_GUARD::S(K)
      • Q(h);N_GUARD,N_SPINP(c)::S(K)
      • Q(h);N_GUARD,P_PINB(L)::S(K)
      • S(e);OGATE::QAR(B)+P(F),XS(e)
      • S(e);N_GUARD,S_CUTQ(h)::R(H)
      • S(e);N_GUARD,S_CUTQ(h),S_CUTR(f)::R(C)
      • S(e);S_CUTQ(h)::S(K)
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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).