MESON Chess Problem Database

Problem Display
PID: 193659 (8/8/1K6/3Q4/1RN5/pbk5/npnpP3/rrb5 w - - 0 1)

Hawkins, Xenophon

Pittsburgh Gazette-Times, 1915

8/8/1K6/3Q4/1RN5/pbk5/npnpP3/rrb5

#2

5 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc4
      • 2.Qxc4#
  • Tries
    • 1.Sxa3?
      • threat
        • 2.Rxb3#
        • 2.Qxb3#
      • 1...Kxb4
        • 2.Qa5#
      • 1...Saxb4
        • 2.Sb5#
      • 1...Sxa3
        • 2.Qxb3#
      • 1...Scxb4
        • 2.Qe5#
      • 1...d1Q
        • 2.Rxb3#
      • 1...d1S
        • 2.Rxb3#
      • 1...d1B
        • 2.Rxb3#
      • 1...d1R
        • 2.Rxb3#
      • 1...Ba4
        • 2.Qc4#
        • 2.Qc5#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Bxd5!
  • Keys
    • 1.Se3!
      • threat
        • 2.Rxb3#
        • 2.Qxb3#
      • 1...Kxb4
        • 2.Qa5#
      • 1...Bxd5
        • 2.Sxd5#
      • 1...Saxb4
        • 2.Sd1#
      • 1...Sxe3
        • 2.Qxb3#
      • 1...Scxb4
        • 2.Qe5#
      • 1...d1Q
        • 2.Rxb3#
      • 1...d1S
        • 2.Rxb3#
      • 1...d1B
        • 2.Rxb3#
      • 1...d1R
        • 2.Rxb3#
      • 1...Ba4
        • 2.Qc4#
        • 2.Qc5#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Sd4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • B(i);OGATE,XS(C)::QAR1(D),XB(i)
  • Tries
    • Try
      • S(C);XP(h)
      • Threat
        • DUALS(2)
      • Vars
        • K(j);OGATEB,S_FLIGHT,XR(B)::QAB1(D)
        • S(d);SBLOCK,XR(B)::S(C)
        • S(f);XS(C)::QAR1(D),XB(i)
        • S(f);N_GUARD,SBLOCK,XR(B)::QAB(D)
        • P(g);::R1(B),XB(i)
        • B(i);N_GUARD::QAR1(D),XB(i)
        • S(f);N_GUARD::QAB1(D),XS(f)
      • Refutation
        • B(i);XQ(D)
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(j);OGATEB,S_FLIGHT,XR(B)::QAB1(D)
      • B(i);XQ(D)::S(C),XB(i)
      • S(d);SBLOCK,XR(B)::S(C)
      • S(f);XS(C)::QAR1(D),XB(i)
      • S(f);N_GUARD,SBLOCK,XR(B)::QAB(D)
      • P(g);::R1(B),XB(i)
      • B(i);N_GUARD::QAR1(D),XB(i)
      • S(f);N_GUARD::QAB1(D),XS(f)
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