MESON Chess Problem Database

Problem Display
PID: 145802 (1b2Q3/1pN3N1/5p1n/2P1p3/4kB2/2Pp1bPK/1n6/1q1R3B w - - 0 1)

Winter-Wood, Edward John

Western Daily Mercury, 1907

(First published on Fri Dec 6 1907)

1b2Q3/1pN3N1/5p1n/2P1p3/4kB2/2Pp1bPK/1n6/1q1R3B

#2

10 + 10

15254 EJWW Scrapbook 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Qa2
      • 2.Re1#
    • 1...Bg2+
      • 2.Bxg2#
    • 1...f5
      • 2.Qxe5#
    • 1...b5
      • 2.Qc6#
    • 1...b6
      • 2.Qc6#
  • Tries
    • 1.Qa4+?
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sxa4!
    • 1.Qg6+?
      • 1...Sf5
        • 2.Qxf5#
      • 1...f5!
    • 1.Qd7?
      • threat
        • 2.Qd5#
      • 1...Bg2+
        • 2.Bxg2#
      • 1...exf4
        • 2.Qe6#
        • 2.Qe8#
        • 2.Qd4#
        • 2.Qe7#
      • 1...Qa2
        • 2.Re1#
      • 1...Bxc7!
    • 1.Qe6?
      • threat
        • 2.Qd5#
      • 1...Bg2+
        • 2.Bxg2#
      • 1...Qa2
        • 2.Re1#
      • 1...Bxc7!
    • 1.Qd8?
      • threat
        • 2.Qd5#
      • 1...Bg2+
        • 2.Bxg2#
      • 1...exf4
        • 2.Qe7#
        • 2.Qd4#
        • 2.Qe8#
      • 1...Qa2
        • 2.Re1#
      • 1...Bxc7!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qxb7#
      • 1...Bg2+
        • 2.Bxg2#
      • 1...Sxd1
        • 2.Qc4#
      • 1...exf4
        • 2.Qe8#
      • 1...Qa2
        • 2.Re1#
      • 1...Sa4
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...d2
        • 2.Qe2#
      • 1...b6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • Q(a);N_GUARD::R(A)
    • B(d);CHECK,OGATEB::B(B),XB(d)
    • P(g);N_GUARD::QAR1(J),XP(f)
    • P(i);N_GUARD::QAB(J)
  • Tries
    • Try
      • Q(J);CHECK,N_PINP(f)
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAR2(J),XS(b)
      • Refutation
        • S(b);XQ(J)
    • Try
      • Q(J);CHECK,N_PINP(f)
      • Vars
        • S(h);N_GUARD,P_SPINS(h)::QAB1(J),XS(h)
      • Refutation
        • P(g);P_SPINP(g)
    • Try
      • Q(J);N_PINP(f)
      • Threat
        • QAB1(J)
      • Vars
        • B(d);CHECK,OGATEB::B(B),XB(d)
        • Q(a);N_GUARD::R(A)
      • Refutation
        • B(j);XS(H)
    • Try
      • Q(J);
      • Threat
        • QAB1(J)
      • Vars
        • B(d);CHECK,OGATEB::B(B),XB(d)
        • Q(a);N_GUARD::R(A)
      • Refutation
        • B(j);XS(H)
    • Try
      • Q(J);N_PINP(f)
      • Threat
        • QAB1(J)
      • Vars
        • B(d);CHECK,OGATEB::B(B),XB(d)
        • Q(a);N_GUARD::R(A)
      • Refutation
        • B(j);XS(H)
  • Actual
    • Q(J);N_PINP(f)
    • Threat
      • QAB(J),XP(i)
    • Vars
      • B(d);CHECK,OGATEB::B(B),XB(d)
      • S(b);N_GUARD,XR(A)::QAR2(J)
      • P(f);OGATEB,XB(F)::QAR(J)
      • Q(a);N_GUARD::R(A)
      • S(b);N_GUARD::QAR2(J)
      • S(b);N_GUARD::QAR2(J),XS(b)
      • P(c);OGATE::QAR2(J)
      • P(i);N_GUARD::QAB(J)
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