MESON Chess Problem Database

Problem Display
PID: 30849 (2N5/4PK1p/1Pp2B2/3kr2r/1Pp1NP2/2P5/3p2Bq/1b1Q4 w - - 0 1)

Winter-Wood, Edward John

Baltimore Sunday News, 1882

(First published on Sun Oct 29 1882)

2N5/4PK1p/1Pp2B2/3kr2r/1Pp1NP2/2P5/3p2Bq/1b1Q4

#2

11 + 9

3392 Chess Souvenirs 1886
15254 EJWW Scrapbook 2011
15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe7+
      • 2.Sxe7#
    • 1...Ba2
      • 2.Qxd2#
    • 1...Bxe4
      • 2.Qxd2#
  • Tries
    • 1.Sxd2+?
      • 1...Re4
        • 2.Sxb1#
      • 1...Be4
        • 2.Sb1#
        • 2.Sf1#
        • 2.Sb3#
        • 2.Sxe4#
      • 1...Qxg2!
    • 1.Bxe5?
      • threat
        • 2.Sf6#
      • 1...Bxe4
        • 2.Qxd2#
      • 1...Qxf4+!
    • 1.Bg5?
      • threat
        • 2.Sf6#
      • 1...Rxe7+
        • 2.Sxe7#
      • 1...Bxe4
        • 2.Qxd2#
      • 1...Rxe4!
    • 1.Bg7?
      • threat
        • 2.Sf6#
      • 1...Rxe7+
        • 2.Sxe7#
      • 1...Bxe4
        • 2.Qxd2#
      • 1...Rxe4!
    • 1.Bh8?
      • threat
        • 2.Sf6#
      • 1...Rxe7+
        • 2.Sxe7#
      • 1...Bxe4
        • 2.Qxd2#
      • 1...Rxe4!
    • 1.Qg1?
      • threat
        • 2.Qd4#
        • 2.Qc5#
      • 1...Rxe7+
        • 2.Sxe7#
      • 1...Qxg2
        • 2.Qd4#
      • 1...c5
        • 2.Qxc5#
      • 1...d1Q
        • 2.Qc5#
      • 1...d1R
        • 2.Qc5#
      • 1...Qxg1!
  • Keys
    • 1.Bh4!
      • threat
        • 2.Sf6#
      • 1...Rxe7+
        • 2.Sxe7#
      • 1...Rxe4
        • 2.Qxh5#
      • 1...Bxe4
        • 2.Qxd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(f);CHECK,XP(I)::S(K),XR(f)
    • B(a);N_GUARD::QAR(A),XP(b)
    • B(a);N_GUARD,P_SPINB(a),XS(E)::QAR(A),XP(b)
  • Tries
    • Try
      • S(E);CHECK,XP(b)
      • Vars
        • R(f);P_SPINR(f)::QAR(A)+S(E),XB(a)
      • Refutation
        • Q(c);XB(B)
    • Try
      • B(H);XR(f)
      • Threat
        • B(B)+S(E),DCHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a),XS(E)::QAR(A),XP(b)
      • Refutation
        • Q(c);CHECK,XP(F)
    • Try
      • B(H);
      • Threat
        • B(B)+S(E),DCHECK
      • Vars
        • R(f);CHECK,XP(I)::S(K),XR(f)
        • B(a);N_GUARD,P_SPINB(a),XS(E)::QAR(A),XP(b)
      • Refutation
        • R(f);P_SPINR(f),XS(E)
    • Try
      • B(H);
      • Threat
        • B(B)+S(E),DCHECK
      • Vars
        • R(f);CHECK,XP(I)::S(K),XR(f)
        • B(a);N_GUARD,P_SPINB(a),XS(E)::QAR(A),XP(b)
      • Refutation
        • R(f);P_SPINR(f),XS(E)
    • Try
      • B(H);
      • Threat
        • B(B)+S(E),DCHECK
      • Vars
        • R(f);CHECK,XP(I)::S(K),XR(f)
        • B(a);N_GUARD,P_SPINB(a),XS(E)::QAR(A),XP(b)
      • Refutation
        • R(f);P_SPINR(f),XS(E)
    • Try
      • Q(A);N_PINP(b)
      • Threat
        • DUALS(2)
      • Vars
        • R(f);CHECK,XP(I)::S(K),XR(f)
        • Q(c);XB(B)::QAR1(A)
        • P(h);::QAR1(A),XP(h)
        • P(b);::QAR1(A)
      • Refutation
        • Q(c);XQ(A)
  • Actual
    • B(H);
    • Threat
      • B(B)+S(E),DCHECK
    • Vars
      • R(f);CHECK,XP(I)::S(K),XR(f)
      • R(f);OGATEB,P_SPINR(f),XS(E)::QAR(A),XR(g)
      • B(a);N_GUARD,P_SPINB(a),XS(E)::QAR(A),XP(b)
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