MESON Chess Problem Database

Problem Display
PID: 52224 (1Q6/r1p3p1/p5p1/n1p5/R1P4R/1bk5/5N2/NnB1K3 w - - 0 1)

Howard, Kenneth Samuel

3rd Prize, Midweek Sports Referee, 1927

1Q6/r1p3p1/p5p1/n1p5/R1P4R/1bk5/5N2/NnB1K3

#2

8 + 10

5089 The Enjoyment of Chess Problems 1943

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Bb2#
      • 2.Qb2#
    • 1...Ba2
      • 2.Bb2#
      • 2.Qb2#
    • 1...Bc2
      • 2.Bb2#
      • 2.Qb2#
    • 1...Bxa4
      • 2.Bb2#
      • 2.Qb2#
    • 1...Bxc4
      • 2.Bb2#
      • 2.Qb2#
    • 1...Sxc4
      • 2.Qxb3#
    • 1...Sc6
      • 2.Qxb3#
    • 1...c6
      • 2.Qg3#
      • 2.Qe5#
  • Tries
    • 1.Sd1+?
      • 1...Kd3
        • 2.Qd8#
      • 1...Bxd1!
    • 1.Se4+?
      • 1...Kd3
        • 2.Qd8#
      • 1...Kd4!
    • 1.Bd2+?
      • 1...Kb2
        • 2.Sd1#
        • 2.Sd3#
      • 1...Sxd2!
    • 1.Rd4?
      • threat
        • 2.Rd3#
      • 1...Bxa4
        • 2.Bb2#
        • 2.Qb2#
      • 1...Bxc4
        • 2.Bb2#
        • 2.Qb2#
      • 1...cxd4
        • 2.Qb4#
      • 1...Bc2
        • 2.Bb2#
        • 2.Qb2#
      • 1...Kxd4!
  • Keys
    • 1.Bh6!
      • threat
        • 2.Bxg7#
      • 1...Kb2
        • 2.Sd1#
      • 1...Sxc4
        • 2.Qxb3#
      • 1...gxh6
        • 2.Qh8#
      • 1...Sc6
        • 2.Qxb3#
      • 1...c6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD,XP(F)::QAR1(H),XB(b)
    • S(d);N_GUARD::QAR1(H),XB(b)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR(H)
      • Refutation
        • B(b);XS(D)
    • Try
      • S(D);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR(H)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);CHECK
      • Refutation
        • S(a);XB(B)
    • Try
      • R(G);
      • Threat
        • R1(G)
      • Vars
        • P(e);N_GUARD,SBLOCK,XR(G)::QAB1(H)
      • Refutation
        • K(c);S_FLIGHT,XR(G)
  • Actual
    • B(B);
    • Threat
      • B(B),XP(j)
    • Vars
      • K(c);P_SPINB(b),S_FLIGHT::S(D)
      • S(d);N_GUARD,XP(F)::QAR1(H),XB(b)
      • P(j);OGATEB,XB(B)::QAB(H)
      • S(d);N_GUARD::QAR1(H),XB(b)
      • P(i);OGATE::QAB(H)
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