MESON Chess Problem Database

Problem Display
PID: 287394 (8/8/r1p5/n4Q2/n1PkN3/B7/5K2/b4B2 w - - 0 1)

Dent, Robert

Grantham Journal, 1925

(First published on Sat Jan 3 1925)

8/8/r1p5/n4Q2/n1PkN3/B7/5K2/b4B2

#2

6 + 6

15239 Valois Notebooks 2026

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Bc5#
    • 1...Sc3
      • 2.Bc5#
    • 1...Sc5
      • 2.Bxc5#
    • 1...Sb6
      • 2.Bc5#
    • 1...c5
      • 2.Qd5#
  • Tries
    • 1.Kf3?
      • threat
        • 2.Qf6#
      • 1...c5
        • 2.Qd5#
      • 1...Sxc4!
    • 1.Sg3?
      • threat
        • 2.Qf6#
      • 1...Kc3
        • 2.Qd3#
      • 1...Sxc4
        • 2.Se2#
      • 1...c5!
    • 1.Sd6?
      • threat
        • 2.Qf6#
      • 1...Kc3
        • 2.Qd3#
      • 1...Sxc4!
    • 1.Be7?
      • threat
        • 2.Bf6#
      • 1...c5
        • 2.Qd5#
      • 1...Sxc4!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Qf6#
      • 1...Kxc3
        • 2.Qd3#
      • 1...Bxc3
        • 2.Qf4#
      • 1...Sxc3
        • 2.Bc5#
      • 1...Sxc4
        • 2.Se2#
      • 1...c5
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(b);N_GUARD::B(C)
    • S(b);N_GUARD::B(C),XS(b)
    • P(f);N_GUARD::QAR1(F)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • QAB(F)
      • Vars
        • P(f);N_GUARD::QAR1(F)
      • Refutation
        • S(d);XP(D)
    • Try
      • S(E);
      • Threat
        • QAB(F)
      • Vars
        • K(c);N_GUARD,S_FLIGHT::QAR1(F)
        • S(d);SBLOCK,XP(D)::S(E)
      • Refutation
        • P(f);
    • Try
      • S(E);
      • Threat
        • QAB(F)
      • Vars
        • K(c);N_GUARD,S_FLIGHT::QAR1(F)
      • Refutation
        • S(d);XP(D)
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • P(f);N_GUARD::QAR1(F)
      • Refutation
        • S(d);XP(D)
  • Actual
    • S(E);
    • Threat
      • QAB(F)
    • Vars
      • K(c);N_GUARD,S_FLIGHT,XS(E)::QAR1(F)
      • B(a);SBLOCK,XS(E)::QAR2(F)
      • S(b);N_GUARD,SBLOCK,XS(E)::B(C)
      • S(d);SBLOCK,XP(D)::S(E)
      • P(f);N_GUARD::S(E)
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