MESON Chess Problem Database

Problem Display
PID: 189641 (1q6/1pp1pB2/4R3/1p1kN3/1p1r4/7n/2Q3bK/6B1 w - - 0 1)

Kuskop, Friedrich Amandus Leopold

1st Prize, The Australasian (02. White TT), 1911

1q6/1pp1pB2/4R3/1p1kN3/1p1r4/7n/2Q3bK/6B1

#2

6 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Qxg2#
    • 1...Rd3
      • 2.Qxd3#
    • 1...Re4
      • 2.Qc5#
    • 1...b6
      • 2.Qc6#
  • Tries
    • 1.Rf6+?
      • 1...Kxe5
        • 2.Qf5#
      • 1...e6!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Se3#
      • 1...c5+
        • 2.Rd6#
      • 1...c6+
        • 2.Re5#
      • 1...Kc5
        • 2.Sb6#
      • 1...Rxc4
        • 2.Qf5#
      • 1...bxc4
        • 2.Qf5#
      • 1...Rd1
        • 2.Rd6#
      • 1...Rd2
        • 2.Rd6#
      • 1...Rd3
        • 2.Qxd3#
      • 1...Re4
        • 2.Rd6#
      • 1...Rf4
        • 2.Rd6#
      • 1...Rg4
        • 2.Rd6#
      • 1...Rh4
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD::QAB(B),XB(a)
    • R(d);OGATEB::QAR2(B),XR(d)
    • R(d);SBLOCK::QAR1(B)
    • P(g);N_GUARD::QAB1(B)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(f);P-FLIGHT,XS(D)::QAR1(B)
      • Refutation
        • P(i);P_SPINP(i)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • P(h);CHECK,SBLOCK::B(F)+R(E),DCHECK
      • K(f);P-FLIGHT,P_SPINR(d)::QAR(B)+S(D)
      • R(d);SBLOCK,XS(D)::QAR2(B)
      • P(e);SBLOCK,XS(D)::QAR2(B)
      • R(d);::B(F)+R(E),DCHECK
      • R(d);OGATEB::QAR2(B),XR(d)
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