MESON Chess Problem Database
Problem Display
PID: 152946 (8/8/3Q4/3B4/3K4/B7/ppR1P3/1k6 w - - 0 1)
Harley, Brian
The Observer, 1934
(First published on Sun Dec 9 1934)
#3
6 + 3
| 15290 | Harley Scrapbook | 2014 |
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- COOKED
- Sets
- 1...a1B
- 2.Rc4
- 2...Ka2
- 3.Rc1#
- 2...Ka2
- 2.Rc4
- 1...a1B
- Tries
- 1.Kc3?
- threat
- 2.Bxb2
- threat
- 3.Rc1#
- threat
- 2.Qb6
- threat
- 3.Qg1#
- 3.Qxb2#
- 2...Ka1
- 3.Qxb2#
- threat
- 2.Bxb2
- 1...Ka1
- 2.Bxb2+
- 2...Kb1
- 3.Rc1#
- 2...Kb1
- 2.Bxb2+
- 1...a1Q
- 2.Bb3
- threat
- 3.Qd1#
- threat
- 2.Bb3
- 1...a1S
- 2.Ba2+
- 2...Kxa2
- 3.Rxb2#
- 2...Kxa2
- 2.Ba2+
- 1...a1R
- 2.Ba2+
- 2...Kxa2
- 3.Rxb2#
- 2...Rxa2
- 3.Qd1#
- 2...Kxa2
- 2.Bb3
- threat
- 3.Qd1#
- threat
- 2.Ba2+
- 1...a1B!
- threat
- 1.Bb3?
- 1...a1Q
- 2.Kc3
- threat
- 3.Qd1#
- threat
- 2.Ke3
- threat
- 3.Qd1#
- threat
- 2.Kc4
- threat
- 3.Qd1#
- threat
- 2.Ke4
- threat
- 3.Qd1#
- threat
- 2.Ke5
- threat
- 3.Qd1#
- threat
- 2.Rd2
- threat
- 3.Rd1#
- 2...Kc1
- 3.Rd1#
- threat
- 2.Qh2
- threat
- 3.Qg1#
- 3.Qh1#
- threat
- 2.Qg3
- threat
- 3.Qe1#
- 3.Qg1#
- threat
- 2.Qb4
- threat
- 3.Qe1#
- threat
- 2.Qf4
- threat
- 3.Qf1#
- threat
- 2.Qf8
- threat
- 3.Qf1#
- threat
- 2.Qd5
- threat
- 3.Qh1#
- threat
- 2.Qc6
- threat
- 3.Qh1#
- threat
- 2.Qf6
- threat
- 3.Qf1#
- threat
- 2.Qg6
- threat
- 3.Rc3#
- 3.Rc4#
- 3.Rc5#
- 3.Rc6#
- 3.Rc7#
- 3.Rc8#
- 3.Qg1#
- threat
- 2.Qh6
- threat
- 3.Qh1#
- threat
- 2.Kc3
- 1...a1S
- 2.Rxb2+
- 2...Kc1
- 3.Qf4#
- 3.Qh6#
- 2...Kc1
- 2.Rxb2+
- 1...a1B
- 2.Rd2
- 2...Kc1
- 3.Rd1#
- 2...Kc1
- 2.Rd2
- 1...a1R
- 2.Kc3
- threat
- 3.Qd1#
- threat
- 2.Ke3
- threat
- 3.Qd1#
- threat
- 2.Kc4
- threat
- 3.Qd1#
- threat
- 2.Ke4
- threat
- 3.Qd1#
- threat
- 2.Kc5
- threat
- 3.Qd1#
- threat
- 2.Ke5
- threat
- 3.Qd1#
- threat
- 2.Rxb2+
- 2...Kc1
- 3.Qf4#
- 3.Qc5#
- 3.Qc7#
- 3.Qc6#
- 3.Qh6#
- 2...Kc1
- 2.Rd2
- threat
- 3.Rd1#
- 2...Kc1
- 3.Rd1#
- threat
- 2.Qh2
- threat
- 3.Qg1#
- 3.Qh1#
- threat
- 2.Qg3
- threat
- 3.Qe1#
- 3.Qg1#
- threat
- 2.Qb4
- threat
- 3.Qe1#
- threat
- 2.Qf4
- threat
- 3.Rxb2#
- 3.Qf1#
- threat
- 2.Qf8
- threat
- 3.Qf1#
- threat
- 2.Qd5
- threat
- 3.Qh1#
- threat
- 2.Qc6
- threat
- 3.Rxb2#
- 3.Qh1#
- threat
- 2.Qf6
- threat
- 3.Qf1#
- threat
- 2.Qg6
- threat
- 3.Rc3#
- 3.Rc4#
- 3.Rc5#
- 3.Rc6#
- 3.Rc7#
- 3.Rc8#
- 3.Qg1#
- threat
- 2.Qh6
- threat
- 3.Rxb2#
- 3.Qh1#
- threat
- 2.Kc3
- 1...Ka1!
- 1...a1Q
- 1.Be4?
- 1...Ka1
- 2.Bxb2+
- 2...Kb1
- 3.Rd2#
- 2...Kb1
- 2.Bxb2+
- 1...a1Q
- 2.Rc3+
- 2...Ka2
- 3.Qd5#
- 3.Qe6#
- 2...Ka2
- 2.Rc3+
- 1...a1B
- 2.Rc3+
- 2...Ka2
- 3.Qd5#
- 3.Qe6#
- 2...Ka2
- 2.Rc3+
- 1...a1R
- 2.Rc3+
- 2...Ka2
- 3.Qd5#
- 3.Qe6#
- 2...Ka2
- 2.Qb4
- threat
- 3.Qxb2#
- 2...Ka2
- 3.Rxb2#
- 3.Qxb2#
- 2...Ra2
- 3.Qe1#
- threat
- 2.Rc3+
- 1...a1S!
- 1...Ka1
- 1.Qg3?
- threat
- 2.Rxb2+
- 2...Ka1
- 3.Qe1#
- 3.Qg1#
- 2...Kc1
- 3.Qe1#
- 3.Qg1#
- 2...Ka1
- 2.Rxb2+
- 1...Ka1
- 2.Qe1+
- 2...b1Q
- 3.Bb2#
- 3.Rxa2#
- 2...b1S
- 3.Bb2#
- 3.Rxa2#
- 2...b1B
- 3.Bb2#
- 3.Rxa2#
- 3.Qc3#
- 2...b1R
- 3.Bb2#
- 3.Rxa2#
- 2...b1Q
- 2.Qg1+
- 2...b1Q
- 3.Bb2#
- 3.Rxa2#
- 2...b1S
- 3.Bb2#
- 3.Rxa2#
- 2...b1B
- 3.Bb2#
- 3.Rxa2#
- 2...b1R
- 3.Bb2#
- 3.Rxa2#
- 2...b1Q
- 2.Qc3
- 2...Kb1
- 3.Qxb2#
- 2...Kb1
- 2.Qe1+
- 1...a1Q
- 2.Bb3
- threat
- 3.Qe1#
- 3.Qg1#
- threat
- 2.Rd2
- threat
- 3.Qe1#
- 3.Qg1#
- 2...Kc1
- 3.Qe1#
- threat
- 2.Rc3
- threat
- 3.Qe1#
- 3.Qg1#
- 3.Qd3#
- 3.Qg6#
- threat
- 2.Rc5
- threat
- 3.Qe1#
- 3.Qg1#
- 3.Qd3#
- 3.Qg6#
- threat
- 2.Rc6
- threat
- 3.Qe1#
- 3.Qg1#
- 3.Qd3#
- 3.Qg6#
- threat
- 2.Rc7
- threat
- 3.Qe1#
- 3.Qg1#
- 3.Qd3#
- 3.Qg6#
- threat
- 2.Rc8
- threat
- 3.Qe1#
- 3.Qg1#
- 3.Qd3#
- 3.Qg6#
- threat
- 2.Qd3
- threat
- 3.Rc3#
- 3.Rc5#
- 3.Rc6#
- 3.Rc7#
- 3.Rc8#
- 3.Qd1#
- threat
- 2.Bb3
- 1...a1S
- 2.Rxb2+
- 2...Kc1
- 3.Qe1#
- 3.Qg1#
- 2...Kc1
- 2.Rxb2+
- 1...a1B
- 2.Rd2
- 2...Kc1
- 3.Qe1#
- 2...Kc1
- 2.Rc4
- 2...Ka2
- 3.Rc1#
- 2...Ka2
- 2.Rd2
- 1...a1R
- 2.Bb3
- threat
- 3.Qe1#
- 3.Qg1#
- threat
- 2.Rxb2+
- 2...Kc1
- 3.Qe1#
- 3.Qg1#
- 2...Kc1
- 2.Rd2
- threat
- 3.Qe1#
- 3.Qg1#
- 2...Kc1
- 3.Qe1#
- threat
- 2.Rc3
- threat
- 3.Qe1#
- 3.Qg1#
- 3.Qd3#
- 3.Qg6#
- threat
- 2.Rc5
- threat
- 3.Qe1#
- 3.Qg1#
- 3.Qd3#
- 3.Qg6#
- threat
- 2.Rc6
- threat
- 3.Qe1#
- 3.Qg1#
- 3.Qd3#
- 3.Qg6#
- threat
- 2.Rc7
- threat
- 3.Qe1#
- 3.Qg1#
- 3.Qd3#
- 3.Qg6#
- threat
- 2.Rc8
- threat
- 3.Qe1#
- 3.Qg1#
- 3.Qd3#
- 3.Qg6#
- threat
- 2.Qd3
- threat
- 3.Rc3#
- 3.Rc5#
- 3.Rc6#
- 3.Rc7#
- 3.Rc8#
- 3.Qd1#
- threat
- 2.Bb3
- 1...Kxc2!
- threat
- 1.Qc7?
- threat
- 2.Rc1+
- 2...bxc1Q
- 3.Qxc1#
- 2...bxc1S
- 3.Qxc1#
- 2...bxc1B
- 3.Qxc1#
- 2...bxc1R
- 3.Qxc1#
- 2...bxc1Q
- 2.Rxb2+
- 2...Ka1
- 3.Qc1#
- 2...Ka1
- 2.Rc1+
- 1...Ka1
- 2.Rc1+
- 2...bxc1Q
- 3.Qxc1#
- 2...bxc1S
- 3.Qxc1#
- 2...bxc1B
- 3.Qxc1#
- 2...bxc1R
- 3.Qxc1#
- 2...b1Q
- 3.Qc3#
- 2...b1S
- 3.Qc3#
- 2...b1B
- 3.Qc3#
- 2...b1R
- 3.Qc3#
- 2...bxc1Q
- 2.Qc3
- 2...Kb1
- 3.Qxb2#
- 2...Kb1
- 2.Rc1+
- 1...a1Q
- 2.Rd2
- threat
- 3.Rd1#
- 3.Qc2#
- threat
- 2.Rd2
- 1...a1B!
- threat
- 1.Qf8?
- threat
- 2.Rxb2+
- 2...Ka1
- 3.Qf1#
- 2...Kc1
- 3.Qf1#
- 2...Ka1
- 2.Rxb2+
- 1...Ka1
- 2.Qf1+
- 2...b1Q
- 3.Bb2#
- 3.Rxa2#
- 2...b1S
- 3.Bb2#
- 3.Rxa2#
- 2...b1B
- 3.Bb2#
- 3.Rxa2#
- 2...b1R
- 3.Bb2#
- 3.Rxa2#
- 2...b1Q
- 2.Qf1+
- 1...a1Q
- 2.Bb3
- threat
- 3.Qf1#
- threat
- 2.Rc3
- threat
- 3.Qf1#
- 3.Qf5#
- threat
- 2.Rc5
- threat
- 3.Qf1#
- 3.Qf5#
- threat
- 2.Rc6
- threat
- 3.Qf1#
- 3.Qf5#
- threat
- 2.Rc7
- threat
- 3.Qf1#
- 3.Qf5#
- threat
- 2.Rc8
- threat
- 3.Qf1#
- 3.Qf5#
- threat
- 2.Bb3
- 1...a1S
- 2.Rxb2+
- 2...Kc1
- 3.Qf1#
- 2...Kc1
- 2.Rxb2+
- 1...a1B
- 2.Rc4
- 2...Ka2
- 3.Rc1#
- 2...Ka2
- 2.Rc4
- 1...a1R
- 2.Bb3
- threat
- 3.Qf1#
- threat
- 2.Rxb2+
- 2...Kc1
- 3.Qf1#
- 2...Kc1
- 2.Rc3
- threat
- 3.Qf1#
- 3.Qf5#
- threat
- 2.Rc5
- threat
- 3.Qf1#
- 3.Qf5#
- threat
- 2.Rc6
- threat
- 3.Qf1#
- 3.Qf5#
- threat
- 2.Rc7
- threat
- 3.Qf1#
- 3.Qf5#
- threat
- 2.Rc8
- threat
- 3.Qf1#
- 3.Qf5#
- threat
- 2.Bb3
- 1...Kxc2!
- threat
- 1.Qc6?
- threat
- 2.Rc1+
- 2...bxc1Q
- 3.Qxc1#
- 2...bxc1S
- 3.Qxc1#
- 2...bxc1B
- 3.Qxc1#
- 2...bxc1R
- 3.Qxc1#
- 2...bxc1Q
- 2.Rxb2+
- 2...Ka1
- 3.Qc1#
- 2...Ka1
- 2.Rc1+
- 1...Ka1
- 2.Rc1+
- 2...bxc1Q
- 3.Qxc1#
- 2...bxc1S
- 3.Qxc1#
- 2...bxc1B
- 3.Qxc1#
- 2...bxc1R
- 3.Qxc1#
- 2...b1Q
- 3.Qc3#
- 2...b1S
- 3.Qc3#
- 2...b1B
- 3.Qc3#
- 2...b1R
- 3.Qc3#
- 2...bxc1Q
- 2.Qc3
- 2...Kb1
- 3.Qxb2#
- 2...Kb1
- 2.Rc1+
- 1...a1Q
- 2.Bb3
- threat
- 3.Qh1#
- threat
- 2.Rd2
- threat
- 3.Rd1#
- 3.Qc2#
- threat
- 2.Bb3
- 1...a1B!
- threat
- 1.Kc3?
- Keys
- 1.Ke3!
- 1...Ka1
- 2.Qe5
- 2...Kb1
- 3.Qxb2#
- 2...Kb1
- 2.Qf6
- 2...Kb1
- 3.Qxb2#
- 2...Kb1
- 2.Qe5
- 1...Kxc2
- 2.Bxa2
- threat
- 3.Qd2#
- 2...Kc1
- 3.Qd2#
- 2...Kc3
- 3.Qc5#
- 3.Qc7#
- 3.Qd2#
- 3.Qd3#
- 3.Qc6#
- 2...b1S
- 3.Qd3#
- threat
- 2.Be4+
- 2...Kc1
- 3.Qd2#
- 2...Kb3
- 3.Qb4#
- 2...Kc3
- 3.Qb4#
- 3.Qd3#
- 2...Kc1
- 2.Bxa2
- 1...a1Q
- 2.Bb3
- threat
- 3.Qd1#
- threat
- 2.Bb3
- 1...a1S
- 2.Ba2+
- 2...Kxa2
- 3.Rxb2#
- 2...Kxc2
- 3.Qd2#
- 2...Kxa2
- 2.Ba2+
- 1...a1B
- 2.Rc4
- 2...Ka2
- 3.Rc1#
- 2...Ka2
- 2.Rc4
- 1...a1R
- 2.Ba2+
- 2...Kxa2
- 3.Rxb2#
- 2...Kxc2
- 3.Qd2#
- 2...Rxa2
- 3.Qd1#
- 2...Kxa2
- 2.Bb3
- threat
- 3.Qd1#
- threat
- 2.Ba2+
- 1...Ka1
- 1.Bxa2+!
- 1...Ka1
- 2.Qb4
- threat
- 3.Qxb2#
- 2...Kxa2
- 3.Qxb2#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 3.Qb2#
- 2...b1B
- 3.Qc3#
- 3.Qxb1#
- 3.Qb2#
- 2...b1R
- 3.Qxb1#
- threat
- 2.Qb8
- threat
- 3.Qxb2#
- 2...Kxa2
- 3.Qxb2#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 3.Qb2#
- 2...b1B
- 3.Qxb1#
- 3.Qb2#
- 2...b1R
- 3.Qxb1#
- threat
- 2.Qb6
- threat
- 3.Qxb2#
- 2...Kxa2
- 3.Qxb2#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 3.Qb2#
- 2...b1B
- 3.Qxb1#
- 3.Qb2#
- 2...b1R
- 3.Qxb1#
- threat
- 2.Qb4
- 1...Kxa2
- 2.Qb4
- threat
- 3.Qxb2#
- 2...Ka1
- 3.Qxb2#
- 2...Kb1
- 3.Qxb2#
- threat
- 2.Qb4
- 1...Kxc2
- 2.Ke3
- threat
- 3.Qd2#
- 2...Kc1
- 3.Qd2#
- 2...Kc3
- 3.Qc5#
- 3.Qc7#
- 3.Qd2#
- 3.Qd3#
- 3.Qc6#
- 2...b1S
- 3.Qd3#
- threat
- 2.Ke3
- 1...Ka1
- 1.Rxb2+!
- 1...Ka1
- 2.Rxa2+
- 2...Kb1
- 3.Qb4#
- 3.Qb8#
- 3.Qb6#
- 3.Qg6#
- 2...Kb1
- 2.Rc2
- 2...Kb1
- 3.Rc1#
- 2...Kb1
- 2.Rxa2+
- 1...Kc1
- 2.Bb3
- threat
- 3.Qf4#
- 3.Qc5#
- 3.Qc7#
- 3.Qc6#
- 3.Qh6#
- threat
- 2.Qh2
- threat
- 3.Qg1#
- 3.Qh1#
- 2...Kd1
- 3.Qg1#
- 3.Qh1#
- threat
- 2.Qg3
- threat
- 3.Qe1#
- 3.Qg1#
- 2...Kd1
- 3.Qg1#
- threat
- 2.Qb4
- threat
- 3.Rd2#
- 3.Qe1#
- 3.Qd2#
- 2...Kd1
- 3.Qd2#
- threat
- 2.Qf4+
- 2...Kd1
- 3.Qd2#
- 3.Qf1#
- 2...Kd1
- 2.Qf8
- threat
- 3.Qf1#
- 2...Kd1
- 3.Qf1#
- threat
- 2.Qf6
- threat
- 3.Qf1#
- 2...Kd1
- 3.Qf1#
- threat
- 2.Qg6
- threat
- 3.Qc2#
- 3.Qg1#
- 2...Kd1
- 3.Qg1#
- threat
- 2.Qh6+
- 2...Kd1
- 3.Qd2#
- 3.Qh1#
- 2...Kd1
- 2.Bb3
- 1...Ka1
- 1.Qb4!
- threat
- 2.Qxb2#
- 1...Kxc2
- 2.Bb3+
- 2...Kb1
- 3.Qe1#
- 2...Kc1
- 3.Qe1#
- 2...Kb1
- 2.Bb3+
- 1...a1Q
- 2.Bb3
- threat
- 3.Qe1#
- threat
- 2.Rxb2+
- 2...Kc1
- 3.Qe1#
- 3.Qd2#
- 2...Qxb2+
- 3.Qxb2#
- 2...Kc1
- 2.Rc5
- threat
- 3.Qe1#
- threat
- 2.Rc6
- threat
- 3.Qe1#
- threat
- 2.Rc7
- threat
- 3.Qe1#
- threat
- 2.Rc8
- threat
- 3.Qe1#
- threat
- 2.Qd2
- threat
- 3.Qd1#
- threat
- 2.Bb3
- 1...a1B
- 2.Rxb2+
- 2...Kc1
- 3.Qe1#
- 3.Qd2#
- 2...Bxb2+
- 3.Qxb2#
- 2...Kc1
- 2.Rc4
- 2...Ka2
- 3.Rc1#
- 2...Ka2
- 2.Rxb2+
- threat
- 1.Qc5!
- threat
- 2.Rc1+
- 2...bxc1Q
- 3.Qxc1#
- 2...bxc1S
- 3.Qxc1#
- 2...bxc1B
- 3.Qxc1#
- 2...bxc1R
- 3.Qxc1#
- 2...bxc1Q
- 2.Rxb2+
- 2...Ka1
- 3.Qc1#
- 2...Ka1
- 2.Rc1+
- 1...Ka1
- 2.Rc1+
- 2...bxc1Q
- 3.Qxc1#
- 2...bxc1S
- 3.Qxc1#
- 2...bxc1B
- 3.Qxc1#
- 2...bxc1R
- 3.Qxc1#
- 2...b1Q
- 3.Qc3#
- 2...b1S
- 3.Qc3#
- 2...b1B
- 3.Qc3#
- 2...b1R
- 3.Qc3#
- 2...bxc1Q
- 2.Qc3
- 2...Kb1
- 3.Qxb2#
- 2...Kb1
- 2.Rc1+
- 1...a1Q
- 2.Rd2
- threat
- 3.Rd1#
- 3.Qc2#
- threat
- 2.Rd2
- 1...a1B
- 2.Rc4
- 2...Ka2
- 3.Rc1#
- 2...Ka2
- 2.Rc4
- threat
- 1.Qg6!
- threat
- 2.Rxb2+
- 2...Ka1
- 3.Rxa2#
- 3.Qg1#
- 2...Kc1
- 3.Qc2#
- 3.Qg1#
- 2...Ka1
- 2.Rd2+
- 2...Ka1
- 3.Bxb2#
- 2...Kc1
- 3.Qc2#
- 2...Ka1
- 2.Rxb2+
- 1...Ka1
- 2.Bxb2+
- 2...Kb1
- 3.Rd2#
- 2...Kb1
- 2.Qg1+
- 2...b1Q
- 3.Bb2#
- 3.Rxa2#
- 2...b1S
- 3.Bb2#
- 3.Rxa2#
- 2...b1B
- 3.Bb2#
- 3.Rxa2#
- 2...b1R
- 3.Bb2#
- 3.Rxa2#
- 2...b1Q
- 2.Bxb2+
- 1...a1S
- 2.Rxb2+
- 2...Kc1
- 3.Qb1#
- 3.Qg1#
- 2...Kc1
- 2.Rxb2+
- threat
- 1.Ke3!
FEATURES
NOT CLASSIFIED
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).