MESON Chess Problem Database

Problem Display
PID: 165723 (4N2K/2N1p3/1Q1p4/4kP1R/1pR4n/7p/3Br2q/b3n2b w - - 0 1)

Charlick, Arthur Robert Baker

2nd Prize, British Chess Magazine 15. (Healey MT) Ty., 1909-1910

4N2K/2N1p3/1Q1p4/4kP1R/1pR4n/7p/3Br2q/b3n2b

#2

8 + 11

15 British Chess Magazine 1911

SOLUTION

  • SOUND
  • Sets
    • 1...Qg1
      • 2.Bf4#
    • 1...Qf4
      • 2.Bxf4#
    • 1...Qg2
      • 2.Bf4#
    • 1...Rg2
      • 2.Qe3#
    • 1...Bd4
      • 2.Qxd4#
    • 1...Sg2
      • 2.f6#
    • 1...Sg6+
      • 2.fxg6#
    • 1...d5
      • 2.Qe6#
    • 1...e6
      • 2.Qxd6#
  • Tries
    • 1.Bc3+?
      • 1...bxc3
        • 2.Qd4#
      • 1...Bxc3!
    • 1.Qe3+?
      • 1...Be4
        • 2.Rxe4#
      • 1...Rxe3!
    • 1.Qa5+?
      • 1...Bd5
        • 2.Qxa1#
        • 2.Qxd5#
      • 1...d5!
    • 1.Qc5+?
      • 1...Bd5
        • 2.Qxd5#
      • 1...d5
        • 2.Qxe7#
      • 1...dxc5!
    • 1.Qb5+?
      • 1...Bd5
        • 2.Qxd5#
      • 1...d5!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qg7#
      • 1...Sg6+
        • 2.fxg6#
      • 1...Qxg1
        • 2.Bf4#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Qg3
        • 2.Qxg3#
      • 1...Qg2
        • 2.Bf4#
      • 1...Rg2
        • 2.Qe3#
      • 1...Bg2
        • 2.Qxh2#
      • 1...Seg2
        • 2.Qxa1#
      • 1...Shg2
        • 2.f6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • Q(e);N_GUARD::B(A)
    • Q(e);N_GUARD::B(A),XQ(e)
    • R(d);N_GUARD,S_CUTB(c)::QAR2(E)
    • B(a);N_GUARD::QAB1(E),XB(a)
    • S(h);N_GUARD::R(D)+P(C)
    • S(h);CHECK,OGATE::R(D)+P(C),XS(h)
    • P(j);OGATE::QAR1(E)
    • P(k);N_GUARD::QAB1(E),XP(j)
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • P(g);XB(A)::QAB1(E)
      • Refutation
        • B(a);XB(A)
    • Try
      • Q(E);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::R1(B),XB(c)
      • Refutation
        • R(d);XQ(E)
    • Try
      • Q(E);CHECK
      • Refutation
        • P(j);P_SPINP(j)
    • Try
      • Q(E);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAR1(E),XB(c)
        • P(j);OGATE,P_SPINP(j)::QAR2(E),XP(k)
      • Refutation
        • P(j);XQ(E)
    • Try
      • Q(E);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAR1(E),XB(c)
      • Refutation
        • P(j);P_SPINP(j)
  • Actual
    • Q(E);
    • Threat
      • QAB(E)
    • Vars
      • S(h);CHECK,OGATE::R(D)+P(C),XS(h)
      • Q(e);N_GUARD,XQ(E)::B(A)
      • B(a);N_GUARD::QAB1(E),XB(a)
      • Q(e);N_GUARD::QAB(E),XQ(e)
      • Q(e);N_GUARD::B(A)
      • R(d);N_GUARD,S_CUTB(c)::QAR2(E)
      • B(c);S_CUTR(d)::QAB(E),XQ(e)
      • S(b);OGATE::QAB(E),XB(a)
      • S(h);N_GUARD::R(D)+P(C)
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