MESON Chess Problem Database

Problem Display
PID: 52432 (1Q2KNR1/8/4P3/4R2B/5kN1/p4r1p/qb1P1p1P/Bb6 w - - 0 1)

Howard, Kenneth Samuel

CCLA Bulletin, 1937

1Q2KNR1/8/4P3/4R2B/5kN1/p4r1p/qb1P1p1P/Bb6

#2

11 + 8

5089 The Enjoyment of Chess Problems 1943

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe6+
      • 2.Sxe6#
    • 1...Bg6+
      • 2.Sxg6#
    • 1...Bxe5
      • 2.Qxe5#
  • Tries
    • 1.Se3?
      • threat
        • 2.Rg4#
      • 1...Qxe6+
        • 2.Sxe6#
      • 1...Bg6+
        • 2.Sxg6#
      • 1...Rxe3
        • 2.dxe3#
      • 1...Rg3
        • 2.hxg3#
      • 1...Bf5!
    • 1.Re1+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Kf5!
    • 1.Re2+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Kf5!
    • 1.Re3+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Kf5!
    • 1.Ra5+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Ke4!
    • 1.Rb5+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Ke4!
    • 1.Rc5+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Ke4!
    • 1.Rd5+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Ke4!
    • 1.Reg5+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Ke4!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Rg4#
      • 1...Qxe6+
        • 2.Sxe6#
      • 1...Bg6+
        • 2.Sxg6#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...Rb3
        • 2.Sd5#
      • 1...Rc3
        • 2.Rc5#
      • 1...Rd3
        • 2.Sg6#
      • 1...Re3
        • 2.dxe3#
      • 1...Rg3
        • 2.hxg3#
      • 1...Bf5
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • Q(b);CHECK,XP(G)::S(J),XQ(b)
    • B(a);CHECK,N_GUARD::S(J),XB(a)
    • B(c);OGATE,P_SPINB(c),XR(E)::QAB1(H),XB(c)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(K)
      • Vars
        • Q(b);CHECK,XP(G)::S(J),XQ(b)
        • B(a);CHECK,N_GUARD::S(J),XB(a)
        • R(f);OGATE,XS(D)::P(B),XR(f)
        • R(f);OGATE::P(C),XR(f)
      • Refutation
        • B(a);
    • Try
      • R(E);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAB1(H),XB(c)
      • Refutation
        • K(h);P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAB1(H),XB(c)
      • Refutation
        • K(h);P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAB1(H),XB(c)
      • Refutation
        • K(h);P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAB1(H),XB(c)
      • Refutation
        • K(h);P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAB1(H),XB(c)
      • Refutation
        • K(h);P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAB1(H),XB(c)
      • Refutation
        • K(h);P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAB1(H),XB(c)
      • Refutation
        • K(h);P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAB1(H),XB(c)
      • Refutation
        • K(h);P-FLIGHT
  • Actual
    • S(D);
    • Threat
      • R1(K)
    • Vars
      • Q(b);CHECK,XP(G)::S(J),XQ(b)
      • B(a);CHECK,N_GUARD::S(J),XB(a)
      • B(c);OGATE,P_SPINB(c),XR(E)::QAB1(H),XB(c)
      • R(f);S_CUTQ(b)::S(D)
      • R(f);S_CUTB(c)::QAB(H)+R(E)
      • R(f);S_CUTB(a)::S(J)
      • R(f);OGATE::P(B),XR(f)
      • R(f);OGATE::P(C),XR(f)
      • B(a);SBLOCK::QAB(H)+R(E),DCHECK
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