MESON Chess Problem Database

Problem Display
PID: 145490 (8/8/3b4/p1RbNP2/1p1kp1K1/8/2P2P2/4Q3 w - - 0 1)

Bridgwater, Ralph Herbert

Birmingham Post, 1920

(First published on Tue Jun 1 1920)

8/8/3b4/p1RbNP2/1p1kp1K1/8/2P2P2/4Q3

#2

7 + 6

15372 Bridgwater Scrapbook 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qa1#
    • 1...Ba2
      • 2.Qe3#
    • 1...Bb3
      • 2.Qe3#
    • 1...Bc4
      • 2.Qe3#
    • 1...Bc6
      • 2.Qe3#
    • 1...Be6
      • 2.Qe3#
    • 1...Bb7
      • 2.Qe3#
    • 1...Bf7
      • 2.Qe3#
    • 1...Ba8
      • 2.Qe3#
    • 1...Bg8
      • 2.Qe3#
    • 1...Bxc5
      • 2.Qa1#
    • 1...Bxe5
      • 2.Qe3#
    • 1...b3
      • 2.Qc3#
    • 1...e3
      • 2.Qxe3#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Qa1#
        • 2.Qe3#
      • 1...exd3
        • 2.Qe3#
      • 1...e3
        • 2.Qxe3#
      • 1...Bc4
        • 2.Qa1#
      • 1...Bf4
        • 2.Qa1#
      • 1...b3
        • 2.Qc3#
        • 2.Qe3#
      • 1...Bxc5!
    • 1.Sf3+?
      • 1...exf3
        • 2.Qe3#
      • 1...Kxc5!
    • 1.Sc6+?
      • 1...Bxc6
        • 2.Qe3#
      • 1...Kxc5!
    • 1.Sd7?
      • threat
        • 2.Qd2#
        • 2.Qa1#
        • 2.Qd1#
        • 2.Qe3#
      • 1...e3
        • 2.Qxe3#
      • 1...Bc4
        • 2.Qa1#
        • 2.Qe3#
      • 1...Bf4
        • 2.Qa1#
      • 1...b3
        • 2.Qd2#
        • 2.Qc3#
        • 2.Qd1#
        • 2.Qe3#
      • 1...Bxc5!
    • 1.Rc4+?
      • 1...Kxe5
        • 2.Qa1#
      • 1...Bxc4!
    • 1.Qxb4+?
      • 1...Kxe5
        • 2.Qc3#
        • 2.Qb2#
      • 1...Bc4
        • 2.Sc6#
        • 2.Qxc4#
        • 2.c3#
      • 1...axb4!
    • 1.Qd1+?
      • 1...Kxe5
        • 2.Qa1#
      • 1...Kxc5!
  • Keys
    • 1.c4!
      • threat
        • 2.Rxd5#
      • 1...Kxc5
        • 2.Qe3#
      • 1...Kxe5
        • 2.Qa1#
      • 1...Bxc4
        • 2.Qe3#
      • 1...Bxc5
        • 2.Qa1#
      • 1...Bxe5
        • 2.Qe3#
      • 1...bxc4 ep
        • 2.Qxc3#
      • 1...e3
        • 2.Qxe3#
      • 1...Bc6
        • 2.Qe3#
      • 1...Be6
        • 2.Qe3#
      • 1...Bb7
        • 2.Qe3#
      • 1...Bf7
        • 2.Qe3#
      • 1...Ba8
        • 2.Qe3#
      • 1...Bg8
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • K(b);P_SPINB(e),P_SPINP(c),S_FLIGHT,XS(F)::QAB(A)
    • B(e);::QAB1(A)
    • B(e);P_PINP(G)::QAB1(A)
    • B(f);SBLOCK,XR(E)::QAB(A)
    • B(f);SBLOCK,XS(F)::QAB1(A)
    • P(a);N_GUARD::QAB1(A)
    • P(c);::QAB1(A),XP(c)
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XS(F)::QAB1(A)
        • P(c);::QAB1(A),XP(c)
        • B(e);::QAB(A)
        • B(f);::QAB(A)
      • Refutation
        • B(f);XR(E)
    • Try
      • S(F);CHECK
      • Vars
        • P(c);XS(F)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XR(E)
    • Try
      • S(F);CHECK
      • Vars
        • B(e);XS(F)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XR(E)
    • Try
      • S(F);
      • Threat
        • DUALS(4)
      • Vars
        • P(c);::QAB1(A),XP(c)
        • B(f);::QAB(A)
      • Refutation
        • B(f);XR(E)
    • Try
      • R(E);CHECK
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT,XS(F)::QAB(A)
      • Refutation
        • B(e);XR(E)
    • Try
      • Q(A);CHECK,XP(a)
      • Refutation
        • P(d);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P_SPINB(e),S_FLIGHT,XS(F)::QAB(A)
      • Refutation
        • K(b);S_FLIGHT,XR(E)
  • Actual
    • P(B);
    • Threat
      • R1(E),XB(e)
    • Vars
      • K(b);S_FLIGHT,XR(E)::QAB(A)
      • K(b);P_SPINB(e),P_SPINP(c),S_FLIGHT,XS(F)::QAB(A)
      • B(e);XP(B)::QAB1(A)
      • B(f);SBLOCK,XR(E)::QAB(A)
      • B(f);SBLOCK,XS(F)::QAB1(A)
      • P(a);EP,N_GUARD,XP(B)::QAB1(A),XP(a)
      • P(c);::QAB1(A),XP(c)
      • B(e);::QAB1(A)
      • B(e);P_PINP(G)::QAB1(A)
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