MESON Chess Problem Database

Problem Display
PID: 145923 (8/8/4p1R1/4N3/2P2P1K/6B1/2r1n1kP/3QR3 w - - 0 1)

Bridgwater, Ralph Herbert

Morning Post, 1932

(First published on Sat Dec 31 1932)

8/8/4p1R1/4N3/2P2P1K/6B1/2r1n1kP/3QR3

#2

9 + 4

15372 Bridgwater Scrapbook 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Rxe2#
      • 2.Qxe2#
    • 1...Rc3
      • 2.Rxe2#
      • 2.Qxe2#
    • 1...Rxc4
      • 2.Rxe2#
      • 2.Qxe2#
    • 1...Sc1
      • 2.Rg1#
      • 2.Qf3#
    • 1...Sg1
      • 2.Rxg1#
    • 1...Sc3
      • 2.Rg1#
      • 2.Qf3#
    • 1...Sxg3
      • 2.Qxc2#
    • 1...Sd4
      • 2.Rg1#
    • 1...Sxf4
      • 2.Rg1#
      • 2.Qf3#
  • Tries
    • 1.Rf1?
      • threat
        • 2.Rf2#
      • 1...Sxf4
        • 2.Bxf4#
        • 2.Rg1#
        • 2.Qf3#
      • 1...Sg1
        • 2.Rxg1#
      • 1...Sc1
        • 2.Rg1#
        • 2.Qf3#
      • 1...Sc3
        • 2.Rg1#
        • 2.Qf3#
      • 1...Sd4
        • 2.Rg1#
      • 1...Sxg3!
    • 1.Rh1?
      • threat
        • 2.Qf1#
      • 1...Sg1
        • 2.Rxg1#
        • 2.Qxg1#
      • 1...Rc1!
    • 1.Qd3?
      • threat
        • 2.Qe4#
        • 2.Qf3#
      • 1...Rxc4
        • 2.Qxe2#
        • 2.Qf3#
      • 1...Sxg3
        • 2.Qxc2#
        • 2.Qxg3#
      • 1...Rc3
        • 2.Qxe2#
      • 1...Sc3
        • 2.Qf1#
        • 2.Qf3#
      • 1...Sd4
        • 2.Qf1#
      • 1...Sg1!
    • 1.Qd4?
      • threat
        • 2.Qf2#
        • 2.Qe4#
      • 1...Rxc4
        • 2.Qf2#
      • 1...Sxg3
        • 2.Qg1#
      • 1...Sxf4
        • 2.Bxf4#
        • 2.Rg1#
        • 2.Qg1#
        • 2.Qe4#
      • 1...Sg1
        • 2.Rxg1#
        • 2.Qxg1#
      • 1...Rc3
        • 2.Qf2#
      • 1...Sc1
        • 2.Rg1#
        • 2.Qg1#
        • 2.Qe4#
      • 1...Sc3
        • 2.Rg1#
        • 2.Qg1#
      • 1...Sxd4!
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qb7#
      • 1...Rxc4
        • 2.Rxe2#
      • 1...Sxg3
        • 2.Qxc2#
      • 1...Sxf4
        • 2.Rg1#
      • 1...Sg1
        • 2.Rxg1#
      • 1...Rb2
        • 2.Qe4#
      • 1...Rd2
        • 2.Qe4#
      • 1...Rc3
        • 2.Rxe2#
      • 1...Sc3
        • 2.Rg1#
      • 1...Sd4
        • 2.Rg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::R1(B),XS(b)
    • S(b);OGATEB,P_SPINS(b),XB(D)::QAR(A),XR(a)
    • S(b);N_GUARD::R1(B)
  • Tries
    • Try
      • R(B);
      • Threat
        • R1(B)
      • Vars
        • S(b);N_GUARD::R1(B),XS(b)
        • S(b);N_GUARD::R1(B)
      • Refutation
        • S(b);P_SPINS(b),XB(D)
    • Try
      • R(B);
      • Threat
        • QAB1(A)
      • Refutation
        • R(a);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);N_GUARD::QAR2(A),XS(b)
        • S(b);OGATE::QAB1(A)
      • Refutation
        • S(b);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);XP(E)::QAR1(A)
        • S(b);N_GUARD,P_SPINS(b),XB(D)::QAR1(A)
        • R(a);::QAR1(A)
      • Refutation
        • S(b);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • R(a);N_GUARD,P_PINP(F),XP(E)::R(B),XS(b)
      • S(b);OGATEB,P_SPINS(b),XB(D)::QAR(A),XR(a)
      • S(b);N_GUARD,XP(F)::R1(B)
      • S(b);N_GUARD::R1(B),XS(b)
      • R(a);OGATE::QAB(A)
      • R(a);N_GUARD::R(B),XS(b)
      • S(b);N_GUARD::R1(B)
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