MESON Chess Problem Database

Problem Display
PID: 31366 (8/8/3PK3/1B4B1/2pkp3/P7/5N2/N6Q w - - 0 1)

Winter-Wood, Edward John

Clifton Chronicle, 1885

(First published on Wed Aug 26 1885)

8/8/3PK3/1B4B1/2pkp3/P7/5N2/N6Q

#2

8 + 3

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

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qh8#
    • 1...c3
      • 2.Sb3#
  • Tries
    • 1.Sxe4?
      • 1...c3
        • 2.Sc2#
        • 2.Sb3#
      • 1...Kd3!
    • 1.Bd2?
      • 1...e3
        • 2.Qd5#
      • 1...c3
        • 2.Sb3#
      • 1...Kc5!
    • 1.Be3+?
      • 1...Kc3
        • 2.Qc1#
        • 2.Qh8#
      • 1...Kxe3!
    • 1.Qxe4+?
      • 1...Kc3
        • 2.Sd1#
        • 2.Qe5#
      • 1...Kc5!
    • 1.Qc1?
      • threat
        • 2.Be3#
        • 2.Qe3#
        • 2.Qxc4#
      • 1...e3
        • 2.Bxe3#
        • 2.Qxe3#
        • 2.Qxc4#
      • 1...c3
        • 2.Sb3#
        • 2.Be3#
        • 2.Qe3#
      • 1...Kc5!
    • 1.Qd1+?
      • 1...Kc3
        • 2.Bf6#
        • 2.Qd2#
      • 1...Kc5!
    • 1.Qe1?
      • threat
        • 2.Be3#
        • 2.Qe3#
      • 1...e3
        • 2.Bxe3#
        • 2.Qxe3#
      • 1...Kc5!
    • 1.Qh2?
      • threat
        • 2.Qe5#
      • 1...Kc3
        • 2.Qe5#
        • 2.Qh8#
      • 1...Kc5!
    • 1.Qh3?
      • threat
        • 2.Qe3#
      • 1...e3
        • 2.Qxe3#
      • 1...Kc5!
    • 1.Qh4?
      • 1...Kc3
        • 2.Qh8#
      • 1...c3
        • 2.Sb3#
      • 1...Kc5!
  • Keys
    • 1.Qh5!
      • 1...Kc3
        • 2.Qh8#
      • 1...Kc5
        • 2.Be3#
      • 1...e3
        • 2.Bf6#
      • 1...c3
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(B)
    • P(a);N_GUARD,SBLOCK::S(A)
  • Tries
    • Try
      • S(C);XP(c)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
    • Try
      • B(F);
      • Vars
        • P(c);OGATE::QAR1(B)
        • P(a);N_GUARD::S(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);CHECK
      • Refutation
        • K(b);S_FLIGHT,XB(F)
    • Try
      • Q(B);CHECK,XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(3)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • P(c);::QAB1(B),XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);P_PINP(c)
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::QAB(B)
        • P(a);N_GUARD,SBLOCK::S(A)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(b);S_FLIGHT::QAB(B)
      • K(b);S_FLIGHT::QAR(B)+B(F),DCHECK
      • P(c);SBLOCK::B(F)
      • P(a);N_GUARD,SBLOCK::S(A)
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