MESON Chess Problem Database

Problem Display
PID: 75870 (8/3B4/1pR5/1N1kp3/P2p4/3N4/4K3/8 w - - 0 1)

Owen, Rev Wilfred T

The Tablet, 1920

(First published on Sat Feb 21 1920)

8/3B4/1pR5/1N1kp3/P2p4/3N4/4K3/8

#2

6 + 4

15239 Valois Notebooks 2014
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Sc7#
  • Tries
    • 1.Kd1?
      • 1...e4
        • 2.Sc7#
      • 1...Ke4!
    • 1.Ke1?
      • 1...e4
        • 2.Sc7#
      • 1...Ke4!
    • 1.Kf1?
      • 1...e4
        • 2.Sc7#
      • 1...Ke4!
    • 1.Kd2?
      • 1...e4
        • 2.Sc7#
      • 1...Ke4!
    • 1.Kf2?
      • 1...e4
        • 2.Sc7#
      • 1...Ke4!
    • 1.Be6+?
      • 1...Ke4
        • 2.Sd6#
      • 1...Kxc6!
    • 1.Be8?
      • 1...e4
        • 2.Sc7#
      • 1...Ke4!
    • 1.Rc5+?
      • 1...Ke4
        • 2.Sd6#
        • 2.Rxe5#
      • 1...bxc5!
    • 1.Rxb6?
      • 1...Kc4
        • 2.Be6#
      • 1...e4
        • 2.Be6#
      • 1...Ke4!
    • 1.Rd6+?
      • 1...Kc4
        • 2.Be6#
      • 1...Ke4!
    • 1.Rf6?
      • 1...Kc4
        • 2.Be6#
      • 1...Ke4
        • 2.Bc6#
      • 1...e4!
  • Keys
    • 1.Rc4!
      • 1...Kxc4
        • 2.Be6#
      • 1...Ke4
        • 2.Sc3#
      • 1...e4
        • 2.Rxd4#

This anticipates 103650(1994)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::S(D)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(c);SBLOCK::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(c);SBLOCK::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(c);SBLOCK::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(c);SBLOCK::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(c);SBLOCK::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);CHECK
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT,XR(E)
    • Try
      • B(F);
      • Vars
        • P(c);SBLOCK::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(E);CHECK
      • Refutation
        • P(d);XR(E)
    • Try
      • R(E);XP(d)
      • Vars
        • K(b);S_FLIGHT::B(F)
        • P(c);SBLOCK::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • P(c);
  • Actual
    • R(E);
    • Vars
      • K(b);S_FLIGHT,XR(E)::B(F)
      • K(b);P_SPINP(a),S_FLIGHT::S(D)
      • P(c);N_GUARD::R1(E),XP(a)
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