MESON Chess Problem Database

Problem Display
PID: 187798 (8/2n2R2/3Bn3/2p2r1q/K1B4p/Rp3kp1/3P1N2/3b1Q2 w - - 0 1)

Kuskop, Friedrich Amandus Leopold

The Times, 1909

8/2n2R2/3Bn3/2p2r1q/K1B4p/Rp3kp1/3P1N2/3b1Q2

#2

8 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Be2#
    • 1...Be2
      • 2.Bxe2#
    • 1...Sg5
      • 2.Rxf5#
    • 1...Sb5
      • 2.Bd5#
    • 1...Sd5
      • 2.Bxd5#
    • 1...Sa6
      • 2.Bd5#
    • 1...Sa8
      • 2.Bd5#
    • 1...Se8
      • 2.Bd5#
  • Tries
    • 1.Sxd1+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4!
    • 1.Sh1+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4!
    • 1.Sh3+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4!
    • 1.Se4+?
      • 1...Kxe4
        • 2.Qd3#
      • 1...Kg4!
    • 1.Sg4+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kxg4!
    • 1.Rxf5+?
      • 1...Sf4
        • 2.Rxf4#
      • 1...Qxf5!
    • 1.Qd3+?
      • 1...Kxf2
        • 2.Qf1#
      • 1...Kg2!
    • 1.Qxd1+?
      • 1...Kxf2
        • 2.Qf1#
      • 1...Kg2!
    • 1.Qh1+?
      • 1...Kxf2
        • 2.Qf1#
      • 1...g2!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Be4#
      • 1...Qg4+
        • 2.Se4#
      • 1...b2+
        • 2.Bc2#
      • 1...gxf2
        • 2.Qh3#
      • 1...Bc2
        • 2.Be2#
      • 1...Sg5
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • B(a);N_GUARD::B(F)
    • B(a);N_GUARD::B(F),XB(a)
    • S(i);N_GUARD,S_CUTQ(h)::R(H),XR(g)
    • S(j);N_GUARD::B(F)
    • S(j);N_GUARD::B(F),XS(j)
  • Tries
    • Try
      • S(C);CHECK,XB(a)
      • Vars
        • K(c);N_SPINP(b),N_SPINR(g),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);N_SPINP(b),N_SPINR(g),S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(c);N_SPINP(b),N_SPINR(g),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);N_SPINP(b),N_SPINR(g),S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(c);N_SPINP(b),N_SPINR(g),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);N_SPINP(b),N_SPINR(g),S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(c);N_SPINP(b),N_SPINR(g),S_FLIGHT,XS(C)::QAB1(A)
      • Refutation
        • K(c);N_SPINP(b),N_SPINR(g),S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(c);N_SPINP(b),N_SPINR(g),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);N_SPINP(b),N_SPINR(g),S_FLIGHT,XS(C)
    • Try
      • R(H);CHECK,XR(g)
      • Vars
        • S(i);N_GUARD,P_SPINS(i)::R1(H),XS(i)
      • Refutation
        • Q(h);XR(H)
    • Try
      • Q(A);CHECK,N_PINP(b)
      • Vars
        • K(c);OGATEB,P-FLIGHT,XS(C)::QAR1(A)
      • Refutation
        • K(c);N_SPINR(g),S_FLIGHT
    • Try
      • Q(A);CHECK,XB(a)
      • Vars
        • K(c);N_SPINP(b),OGATEB,P-FLIGHT,XS(C)::QAR1(A)
      • Refutation
        • K(c);N_SPINP(b),N_SPINR(g),S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);N_SPINP(b),OGATEB,P-FLIGHT,XS(C)::QAR1(A)
      • Refutation
        • P(d);N_SPINP(b),P_SPINP(d)
  • Actual
    • B(F);N_PINP(b)
    • Threat
      • B(F)
    • Vars
      • Q(h);CHECK,SBLOCK::QAR(A)+S(C)
      • P(b);CHECK,OGATEB::R(D)+B(F)
      • P(d);OGATEB,P_SPINP(d),SBLOCK,XS(C)::QAR2(A)
      • B(a);N_GUARD::B(F)
      • S(i);N_GUARD,S_CUTQ(h)::R(H),XR(g)
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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).