MESON Chess Problem Database

Problem Display
PID: 222723 (7Q/3p1K2/2p5/1p1kB3/8/3N2p1/1PB2P2/3R4 w - - 0 1)

Beaumont, Alex S

Charleston Sunday News, 1884

7Q/3p1K2/2p5/1p1kB3/8/3N2p1/1PB2P2/3R4

#2

8 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Se1#
  • Tries
    • 1.Bc3?
      • threat
        • 2.Qd4#
      • 1...Kc4
        • 2.Qd4#
      • 1...Kd6
        • 2.Qe5#
      • 1...c5
        • 2.Se5#
      • 1...Ke4!
    • 1.Qh1+?
      • 1...Kc4
        • 2.Qe4#
        • 2.b3#
      • 1...g2!
    • 1.Qh7?
      • threat
        • 2.Bb3#
      • 1...Kc4
        • 2.Qe4#
      • 1...c5!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Se5#
      • 1...Kc4
        • 2.Se5#
      • 1...Ke4
        • 2.Se1#
      • 1...Kxd6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::B(C)+S(E)
  • Tries
    • Try
      • B(F);
      • Threat
        • QAR1(H)
      • Vars
        • K(c);S_FLIGHT::QAR1(H)
        • K(c);P-FLIGHT::QAB1(H)
        • P(d);SBLOCK::R(A)+S(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(H);CHECK
      • Refutation
        • P(a);P_SPINP(a)
    • Try
      • Q(H);
      • Threat
        • B(C)
      • Vars
        • K(c);S_FLIGHT::QAR2(H)
      • Refutation
        • P(d);
  • Actual
    • B(F);
    • Threat
      • R(A)+S(E)
    • Vars
      • K(c);S_FLIGHT::S(E)
      • K(c);S_FLIGHT::B(C)+S(E)
      • K(c);P-FLIGHT,XB(F)::QAB1(H)
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