MESON Chess Problem Database

Problem Display
PID: 174968 (6Bb/1pR5/6b1/nP3N2/2q3Pp/2kp3Q/1R3P2/BK6 w - - 0 1)

Charlick, Arthur Robert Baker

2nd Place, Sydney Morning Herald, 1901

6Bb/1pR5/6b1/nP3N2/2q3Pp/2kp3Q/1R3P2/BK6

#2

10 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Rxc4#
  • Tries
    • 1.Qf1?
      • threat
        • 2.Qc1#
      • 1...Sb3
        • 2.Rxc4#
      • 1...d2
        • 2.Qh3#
      • 1...Bxf5!
    • 1.Qh1?
      • threat
        • 2.Qc1#
      • 1...Sb3
        • 2.Rxc4#
      • 1...d2
        • 2.Qf3#
        • 2.Qh3#
      • 1...Bxf5!
    • 1.Qe3?
      • threat
        • 2.Qc1#
        • 2.Qd2#
      • 1...Sb3
        • 2.Rxc4#
      • 1...Bxf5!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Se2#
      • 1...d2+
        • 2.Sf5#
      • 1...Kd4
        • 2.Rb4#
      • 1...hxg3
        • 2.Qxh8#
      • 1...Sb3
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD::R1(I),XQ(c)
  • Tries
    • Try
      • Q(E);N_PINP(b)
      • Threat
        • QAR2(E)
      • Vars
        • S(e);N_GUARD::R1(I),XQ(c)
        • P(b);OGATEB,P_PINS(H)::QAR(E)
      • Refutation
        • B(f);XS(H)
    • Try
      • Q(E);N_PINP(b)
      • Threat
        • QAR2(E)
      • Vars
        • S(e);N_GUARD::R1(I),XQ(c)
      • Refutation
        • B(f);XS(H)
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • S(e);N_GUARD::R1(I),XQ(c)
      • Refutation
        • B(f);XS(H)
  • Actual
    • S(H);N_PINP(b)
    • Threat
      • S(H)
    • Vars
      • P(b);CHECK::QAR(E)+S(H)
      • K(a);N_SPINQ(c),S_FLIGHT::B(A)+R(C)
      • P(d);OGATE,XS(H)::QAB(E),XB(h)
      • S(e);N_GUARD::R1(I),XQ(c)
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