MESON Chess Problem Database

Problem Display
PID: 6657 (1b6/4p3/7R/RN2k3/8/3PN1K1/8/1n6 w - - 0 1)

Howard, Kenneth Samuel

Morning Post, 1932

1b6/4p3/7R/RN2k3/8/3PN1K1/8/1n6

#2

6 + 4

5088 How to Solve Chess Problems 1945
14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2?
      • threat
        • 2.Sba3#
        • 2.Sc3#
        • 2.Sbd4#
        • 2.Sd6#
        • 2.Sa7#
        • 2.Sc7#
      • 1...Kd5+
        • 2.Sc7#
      • 1...Kf5+
        • 2.Sd6#
      • 1...Bd6
        • 2.Sxd6#
      • 1...Ba7
        • 2.Sxa7#
      • 1...Bc7
        • 2.Sxc7#
      • 1...Sa3
        • 2.Sbxa3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...e6!
    • 1.Sc4+?
      • 1...Kf5+
        • 2.Sbd6#
      • 1...Kd5+!
    • 1.Sg4+?
      • 1...Kf5+
        • 2.Sd6#
      • 1...Kd5+!
    • 1.Raa6?
      • threat
        • 2.Rae6#
        • 2.Rh5#
        • 2.Rhe6#
      • 1...e6
        • 2.Raxe6#
        • 2.Rhxe6#
      • 1...Bd6!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sa3#
        • 2.Sc3#
        • 2.Sbd4#
        • 2.Sbd6#
        • 2.Sa7#
        • 2.Sc7#
      • 1...Kd5+
        • 2.Sc7#
      • 1...Kxf5+
        • 2.Sd6#
      • 1...Bd6
        • 2.Sbxd6#
      • 1...Ba7
        • 2.Sxa7#
      • 1...Bc7
        • 2.Sxc7#
      • 1...Sa3
        • 2.Sxa3#
      • 1...Sc3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(6)
      • Vars
        • K(b);CHECK,P-FLIGHT::R(D)+S(E),DCHECK
        • B(d);::R(D)+S(E),XB(d)
        • S(a);::R(D)+S(E),XS(a)
      • Refutation
        • P(c);
    • Try
      • S(B);CHECK
      • Vars
        • K(b);CHECK,P-FLIGHT::R(D)+S(E),DCHECK
      • Refutation
        • K(b);CHECK,P-FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(b);CHECK,P-FLIGHT::R(D)+S(E),DCHECK
      • Refutation
        • K(b);CHECK,P-FLIGHT
    • Try
      • R(D);
      • Threat
        • DUALS(3)
      • Refutation
        • B(d);
  • Actual
    • S(B);
    • Threat
      • DUALS(6)
    • Vars
      • K(b);CHECK,P-FLIGHT::R(D)+S(E),DCHECK
      • K(b);CHECK,P-FLIGHT,XS(B)::R(D)+S(E),DCHECK
      • B(d);::R(D)+S(E),XB(d)
      • S(a);::R(D)+S(E),XS(a)
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