MESON Chess Problem Database
Problem Display
PID: 152990 (N4B2/7K/3p4/p1k2NR1/P1nRB3/1p6/b1n1P3/2Q5 w - - 0 1)
Harley, Brian
The Observer, 1935
(First published on Sun Aug 25 1935)
#3
10 + 7
| 15290 | Harley Scrapbook | 2014 |
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- COOKED
- Sets
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...Sa1
- 2.Bxd6#
- 2.Rxc4#
- 2.Qxc4#
- 1...Se1
- 2.Bxd6#
- 2.Rxc4#
- 2.Qxc4#
- 1...S2a3
- 2.Bxd6#
- 1...S2e3
- 2.Bxd6#
- 1...Sb4
- 2.Bxd6#
- 2.Rxc4#
- 2.Qxc4#
- 1...Sxd4
- 2.Bxd6#
- 1...Sb2
- 2.Bxd6#
- 1...Sd2
- 2.Bxd6#
- 1...S4a3
- 2.Bxd6#
- 1...S4e3
- 2.Bxd6#
- 1...Se5
- 2.Bxd6#
- 1...Sb6
- 2.Bxd6#
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Kb4
- Tries
- 1.Kh6?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Bb1!
- 1...Kb4
- 1.Kg7?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Bb1!
- 1...Kb4
- 1.Kg8?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Bb1!
- 1...Kb4
- 1.Kh8?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Bb1!
- 1...Kb4
- 1.Se3+?
- 1...Kb4
- 2.Rxc4#
- 1...Se5
- 2.Rc4#
- 1...Kxd4!
- 1...Kb4
- 1.Sg3+?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Sb6#
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...Se5
- 2.Qb2
- threat
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- threat
- 2.Qd2
- threat
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- threat
- 2.e3
- threat
- 3.Bxd6#
- 3.Rxe5#
- threat
- 2.Qb2
- 1...Kxd4!
- 1...Kb4
- 1.Sh4+?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Sb6#
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...Se5
- 2.Sf3
- threat
- 3.Bxd6#
- 3.Rxe5#
- threat
- 2.Qb2
- threat
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- threat
- 2.Qd2
- threat
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- threat
- 2.e3
- threat
- 3.Bxd6#
- 3.Rxe5#
- threat
- 2.Sf3
- 1...Kxd4!
- 1...Kb4
- 1.Sh6+?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Sb6#
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...Se5
- 2.Qb2
- threat
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- threat
- 2.Qd2
- threat
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- threat
- 2.e3
- threat
- 3.Bxd6#
- 3.Rxe5#
- threat
- 2.Qb2
- 1...Kxd4!
- 1...Kb4
- 1.Sg7+?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Sb6#
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...Kxd4!
- 1...Kb4
- 1.Be7?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Bb1!
- 1...Kb4
- 1.Rd5+?
- 1...Kc6
- 2.Rxd6+
- 2...Kc5
- 3.Rc6#
- 2...Kc5
- 2.Rg7
- threat
- 3.Rc7#
- threat
- 2.Rxd6+
- 1...Kb4!
- 1...Kc6
- 1.Rxd6?
- threat
- 2.Rc6#
- 1...Kb4
- 2.Rd4+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Rd4+
- 1...Sxd6!
- threat
- 1.Rg1?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Bb1!
- 1...Kb4
- 1.Rg2?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Bb1!
- 1...Kb4
- 1.Rh5?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Bb1!
- 1...Kb4
- 1.Rg6?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Bb1!
- 1...Kb4
- 1.Rg8?
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Bb1!
- 1...Kb4
- 1.Qa3+?
- 1...Sb4
- 2.Bb7
- threat
- 3.Rd5#
- 2...Sxa3
- 3.Bxd6#
- 2...Sb2
- 3.Bxd6#
- 2...Sd2
- 3.Bxd6#
- 2...Se3
- 3.Bxd6#
- 2...Se5
- 3.Bxd6#
- 2...Sb6
- 3.Bxd6#
- threat
- 2.Rg7
- threat
- 3.Rc7#
- 2...Sxa3
- 3.Bxd6#
- 2...Se5
- 3.Bxd6#
- threat
- 2.Bb7
- 1...S2xa3!
- 1...Sb4
- 1.Qe3?
- threat
- 2.Bxd6+
- 2...Sxd6
- 3.Sxd6#
- 2...Sxd6
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Bxd6+
- 1...Kb4
- 2.Bxd6+
- 2...Kxa4
- 3.Bc6#
- 2...Kxa4
- 2.Bxd6+
- 1...Sxd4
- 2.Bxd6+
- 2...Sxd6
- 3.Qxd4#
- 2...Sxd6
- 2.Qc3
- threat
- 3.Sxd4#
- 3.Bxd6#
- 2...Sxf5
- 3.Rxf5#
- 2...Sb5
- 3.Se3#
- 3.Sg3#
- 3.Sd4#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- threat
- 2.Bxd6+
- 1...S2a3
- 2.Bxd6+
- 2...Sxd6
- 3.Sxd6#
- 2...Sxd6
- 2.Rxc4+
- 2...Kxc4
- 3.Qd4#
- 2...Kxc4
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- threat
- 2.Bxd6+
- 1...Sb4
- 2.Sxd6+
- 2...Sd5
- 3.Rxc4#
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 3.Rd1#
- 3.Rd2#
- 3.Rd3#
- 3.Rc4#
- 3.Qc3#
- 2...Sd5
- 2.Rxc4+
- 2...Kxc4
- 3.Sxd6#
- 3.Sb6#
- 3.Qd4#
- 2...Kxc4
- 2.Rd5+
- 2...Kc6
- 3.Rxd6#
- 2...Kc6
- 2.Rxd6+
- 2...Sxe3
- 3.Rd4#
- 3.Rc6#
- 2...Sxe3
- 2.Qc3
- threat
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Sxd6+
- 1...b2
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- threat
- 2.Qc3
- 1...S2xe3!
- threat
- 1.Qe1?
- threat
- 2.Rxd6
- threat
- 3.Rc6#
- 2...Sxd6
- 3.Qc3#
- threat
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Qxa5+
- 2...Sxa5
- 3.Bxd6#
- 2...Sxa5
- 2.Rxd6
- 1...Sxd4
- 2.Sg7+
- 2...Se5
- 3.Qc3#
- 2...Sf5
- 3.Se6#
- 2...Se5
- 2.Qc3
- threat
- 3.Sxd4#
- 3.Bxd6#
- 2...Sxf5
- 3.Rxf5#
- 2...Sb5
- 3.Se3#
- 3.Sg3#
- 3.Sd4#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- threat
- 2.Sg7+
- 1...S2a3
- 2.Bb7
- threat
- 3.Rd5#
- 2...Sb2
- 3.Bxd6#
- 2...Sd2
- 3.Bxd6#
- 2...Se3
- 3.Bxd6#
- 2...Se5
- 3.Bxd6#
- 2...Sb6
- 3.Bxd6#
- threat
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- threat
- 2.Qxa5+
- 2...Sb5
- 3.Qxb5#
- 2...Sxa5
- 3.Bxd6#
- 2...Sb5
- 2.Bb7
- 1...S2e3
- 2.Qc3
- threat
- 3.Sxe3#
- 3.Bxd6#
- 2...Sd5
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Qxa5+
- 2...Sxa5
- 3.Bxd6#
- 2...Sxa5
- 2.Qc3
- 1...Sb4
- 2.Qc3
- threat
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Qc3
- 1...b2
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- threat
- 2.Qxa5+
- 2...Sxa5
- 3.Bxd6#
- 2...Sxa5
- 2.Qc3
- 1...Sxe1!
- threat
- 1.Qxc2?
- threat
- 2.Bxd6#
- 2.Rxc4#
- 2.Qxc4#
- 1...Kb4
- 2.Bxd6+
- 2...Kxa4
- 3.Bc6#
- 3.Qxc4#
- 2...Kxa4
- 2.Rxc4+
- 2...Ka3
- 3.Bxd6#
- 2...Ka3
- 2.Bxd6+
- 1...bxc2!
- threat
- 1.Kh6?
- Keys
- 1.Sxd6+!
- 1...Kxd4
- 2.Rd5+
- 2...Kc3
- 3.Sb5#
- 2...Kc3
- 2.Rd5+
- 1...Kxd4
- 1.Bh1!
- threat
- 2.Sxd6+
- 2...Kb4
- 3.Rxc4#
- 2...Kxd4
- 3.Sb5#
- 2...Se5
- 3.Sb5#
- 3.Sf5#
- 3.Rc4#
- 2...Kb4
- 2.Sxd6+
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- threat
- 1.Bg2!
- threat
- 2.Sxd6+
- 2...Kb4
- 3.Rxc4#
- 2...Kxd4
- 3.Sb5#
- 2...Se5
- 3.Sb5#
- 3.Sf5#
- 3.Rc4#
- 2...Kb4
- 2.Sxd6+
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- threat
- 1.Bf3!
- threat
- 2.Sxd6+
- 2...Kb4
- 3.Rxc4#
- 2...Kxd4
- 3.Sb5#
- 2...Se5
- 3.Sb5#
- 3.Sf5#
- 3.Rc4#
- 2...Kb4
- 2.Sxd6+
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- threat
- 1.Bd5!
- 1...Bb1
- 2.Sxd6
- threat
- 3.Rxc4#
- 2...Sa1+
- 3.Sf5#
- 2...Se1+
- 3.Sf5#
- 2...S2a3+
- 3.Sf5#
- 2...S2e3+
- 3.Sf5#
- 2...Sb4+
- 3.Sf5#
- 2...Sxd4+
- 3.Se4#
- 2...Kb4
- 3.Rxc4#
- 2...Kxd4
- 3.Sb5#
- 2...Sxd6
- 3.Rc4#
- 2...Sb2
- 3.Sb5#
- 3.Sf5#
- 2...Sd2
- 3.Sb5#
- 3.Sf5#
- 2...S4a3
- 3.Sb5#
- 3.Sf5#
- 2...S4e3
- 3.Sb5#
- 3.Sf5#
- 2...Se5
- 3.Sb5#
- 3.Sf5#
- 2...Sb6
- 3.Sb5#
- 3.Sf5#
- threat
- 2.e4
- threat
- 3.Rxc4#
- 2...Kb4
- 3.Rxc4#
- 2...Sxd4
- 3.Bxd6#
- 3.Qxc4#
- 2...S2a3
- 3.Bxd6#
- 2...S2e3
- 3.Bxd6#
- 2...Sb2
- 3.Bxd6#
- 2...Sd2
- 3.Bxd6#
- 2...S4a3
- 3.Bxd6#
- 2...S4e3
- 3.Bxd6#
- 2...Se5
- 3.Bxd6#
- 2...Sb6
- 3.Bxd6#
- threat
- 2.Sxd6
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Bb1
- 1.Bb7!
- threat
- 2.Sxd6+
- 2...Kb4
- 3.Rxc4#
- 2...Kxd4
- 3.Sb5#
- 2...Se5
- 3.Sb5#
- 3.Sf5#
- 3.Rc4#
- 2...Kb4
- 2.Sxd6+
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- threat
- 1.Bxd6+!
- 1...Sxd6
- 2.Sxd6+
- 2...Kxd4
- 3.Qd2#
- 2...Kxd4
- 2.Sxd6+
- 1...Sxd6
- 1.Rg3!
- threat
- 2.Rc3
- threat
- 3.Bxd6#
- 3.Rcxc4#
- 3.Rdxc4#
- 2...Kb4
- 3.Rcxc4#
- 3.Rdxc4#
- threat
- 2.Rc3
- 1...Kb4
- 2.Bxd6+
- 2...Kxa4
- 3.Bc6#
- 2...Kxa4
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- threat
- 1.Rg4!
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...Bb1
- 2.Bh1
- threat
- 3.Rxc4#
- 2...Kb4
- 3.Rxc4#
- 2...Sxd4
- 3.Bxd6#
- 2...S2a3
- 3.Bxd6#
- 2...S2e3
- 3.Bxd6#
- 2...Sb2
- 3.Bxd6#
- 2...Sd2
- 3.Bxd6#
- 2...S4a3
- 3.Bxd6#
- 2...S4e3
- 3.Bxd6#
- 2...Se5
- 3.Bxd6#
- 2...Sb6
- 3.Bxd6#
- threat
- 2.Bg2
- threat
- 3.Rxc4#
- 2...Kb4
- 3.Rxc4#
- 2...Sxd4
- 3.Bxd6#
- 2...S2a3
- 3.Bxd6#
- 2...S2e3
- 3.Bxd6#
- 2...Sb2
- 3.Bxd6#
- 2...Sd2
- 3.Bxd6#
- 2...S4a3
- 3.Bxd6#
- 2...S4e3
- 3.Bxd6#
- 2...Se5
- 3.Bxd6#
- 2...Sb6
- 3.Bxd6#
- threat
- 2.Bf3
- threat
- 3.Rxc4#
- 2...Kb4
- 3.Rxc4#
- 2...Sxd4
- 3.Bxd6#
- 2...S2a3
- 3.Bxd6#
- 2...S2e3
- 3.Bxd6#
- 2...Sb2
- 3.Bxd6#
- 2...Sd2
- 3.Bxd6#
- 2...S4a3
- 3.Bxd6#
- 2...S4e3
- 3.Bxd6#
- 2...Se5
- 3.Bxd6#
- 2...Sb6
- 3.Bxd6#
- threat
- 2.Bb7
- threat
- 3.Rxc4#
- 2...Kb4
- 3.Rxc4#
- 2...Sxd4
- 3.Bxd6#
- 2...S2a3
- 3.Bxd6#
- 2...S2e3
- 3.Bxd6#
- 2...Sb2
- 3.Bxd6#
- 3.Rd5#
- 2...Sd2
- 3.Bxd6#
- 3.Rd5#
- 2...S4a3
- 3.Bxd6#
- 3.Rd5#
- 2...S4e3
- 3.Bxd6#
- 2...Se5
- 3.Bxd6#
- 3.Rd5#
- 2...Sb6
- 3.Bxd6#
- threat
- 2.Bh1
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- 1...Kb4
- 1.Rg7!
- threat
- 2.Bxd6+
- 2...Sxd6
- 3.Rc7#
- 2...Sxd6
- 2.Rb7
- threat
- 3.Rb5#
- 2...Sxd4
- 3.Bxd6#
- 2...S2a3
- 3.Bxd6#
- 2...S4a3
- 3.Bxd6#
- 3.Rc7#
- 2...Sb6
- 3.Bxd6#
- 3.Rc7#
- threat
- 2.Rc7+
- 2...Kb4
- 3.Rdxc4#
- 3.Rcxc4#
- 2...Kb4
- 2.Bxd6+
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Rb7+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc5
- 3.Rb5#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Bxd6+
- 2...Sxd6
- 3.Rc7#
- 2...Sxd6
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Bxd6+
- threat
- 1.Qb2!
- threat
- 2.Se3+
- 2...Kb4
- 3.Rxc4#
- 2...Se5
- 3.Bxd6#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Kb4
- 2.Sxd6+
- 2...Kb4
- 3.Rxc4#
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Kb4
- 2.Bxd6+
- 2...Sxd6
- 3.Sxd6#
- 2...Sxd6
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Se3+
- 1...Kb4
- 2.Bxd6+
- 2...Kxa4
- 3.Bc6#
- 2...Kxa4
- 2.Bxd6+
- 1...Sxd4
- 2.Bxd6+
- 2...Sxd6
- 3.Qxd4#
- 2...Sxd6
- 2.Qc3
- threat
- 3.Sxd4#
- 3.Bxd6#
- 2...Sxf5
- 3.Rxf5#
- 2...Sb5
- 3.Se3#
- 3.Sg3#
- 3.Sd4#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- threat
- 2.Bxd6+
- 1...Sa1
- 2.Se3+
- 2...Kb4
- 3.Rxc4#
- 2...Se5
- 3.Bxd6#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Kb4
- 2.Sxd6+
- 2...Kb4
- 3.Rxc4#
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Kb4
- 2.Bxd6+
- 2...Sxd6
- 3.Sxd6#
- 3.Qa3#
- 2...Sxd6
- 2.Rxc4+
- 2...Kxc4
- 3.Qd4#
- 2...Kxc4
- 2.Qa3+
- 2...Sxa3
- 3.Bxd6#
- 2...Sxa3
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Se3+
- 1...Se1
- 2.Se3+
- 2...Kb4
- 3.Rxc4#
- 2...Se5
- 3.Bxd6#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Kb4
- 2.Sxd6+
- 2...Kb4
- 3.Rxc4#
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Kb4
- 2.Bxd6+
- 2...Sxd6
- 3.Sxd6#
- 3.Qa3#
- 2...Sxd6
- 2.Rxc4+
- 2...Kxc4
- 3.Qd4#
- 2...Kxc4
- 2.Qa3+
- 2...Sxa3
- 3.Bxd6#
- 2...Sxa3
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Se3+
- 1...S2a3
- 2.Bxd6+
- 2...Sxd6
- 3.Sxd6#
- 3.Qxa3#
- 2...Sxd6
- 2.Qxa3+
- 2...Sxa3
- 3.Bxd6#
- 2...Sxa3
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- threat
- 2.Bxd6+
- 1...S2e3
- 2.Sxe3+
- 2...Kb4
- 3.Rxc4#
- 2...Se5
- 3.Bxd6#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Kb4
- 2.Bxd6+
- 2...Sxd6
- 3.Qa3#
- 2...Sxd6
- 2.Qa3+
- 2...Sxa3
- 3.Bxd6#
- 2...Sxa3
- 2.Qc3
- threat
- 3.Sxe3#
- 3.Bxd6#
- 2...Sd5
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Sxe3+
- 1...Sb4
- 2.Se3+
- 2...Sd5
- 3.Rxc4#
- 2...Se5
- 3.Bxd6#
- 3.Rc4#
- 3.Qc3#
- 2...Sd5
- 2.Sxd6+
- 2...Sd5
- 3.Rxc4#
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 3.Rc4#
- 3.Qc3#
- 2...Sd5
- 2.Rxc4+
- 2...Kxc4
- 3.Se3#
- 3.Sxd6#
- 3.Qd4#
- 2...Kxc4
- 2.Qc3
- threat
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Se3+
- threat
- 1.Qd2!
- threat
- 2.Se3+
- 2...Se5
- 3.Bxd6#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sg3+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sh4+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sxd6+
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sh6+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Se7+
- 2...Se5
- 3.Qc3#
- 2...d5
- 3.Rdxd5#
- 3.Rgxd5#
- 2...Se5
- 2.Sg7+
- 2...Se5
- 3.Se6#
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Bxd6+
- 2...Sxd6
- 3.Sxd6#
- 2...Sxd6
- 2.Rxc4+
- 2...Kxc4
- 3.Sxd6#
- 2...Kxc4
- 2.Rxd6
- threat
- 3.Rc6#
- 2...Sxd6
- 3.Se3#
- 3.Sxd6#
- 3.Qc3#
- threat
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Qxa5+
- 2...Sxa5
- 3.Bxd6#
- 2...Sxa5
- 2.Se3+
- 1...Sxd4
- 2.Sxd4+
- 2...Se5
- 3.Qc3#
- 2...Se5
- 2.Sxd6+
- 2...Se5
- 3.Rxe5#
- 3.Qc3#
- 2...Sf5
- 3.Sb7#
- 2...Se5
- 2.Sg7+
- 2...Se5
- 3.Qc3#
- 2...Sf5
- 3.Se6#
- 2...Se5
- 2.Bxd6+
- 2...Sxd6
- 3.Qxd4#
- 2...Sxd6
- 2.Qc3
- threat
- 3.Sxd4#
- 3.Bxd6#
- 2...Sxf5
- 3.Rxf5#
- 2...Sb5
- 3.Se3#
- 3.Sg3#
- 3.Sd4#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- threat
- 2.Sxd4+
- 1...Sa1
- 2.Se3+
- 2...Se5
- 3.Bxd6#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sg3+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sh4+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sxd6+
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sh6+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Se7+
- 2...Se5
- 3.Qc3#
- 2...d5
- 3.Rdxd5#
- 3.Rgxd5#
- 2...Se5
- 2.Sg7+
- 2...Se5
- 3.Se6#
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Bb7
- threat
- 3.Rd5#
- 2...Sxd2
- 3.Bxd6#
- 2...Sb2
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 3.Qxa5#
- 2...Sa3
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 2...Se3
- 3.Sxe3#
- 3.Bxd6#
- 3.Qxa5#
- 2...Se5
- 3.Bxd6#
- 3.Qxa5#
- 2...Sb6
- 3.Bxd6#
- 3.Qxa5#
- threat
- 2.Bxd6+
- 2...Sxd6
- 3.Sxd6#
- 2...Sxd6
- 2.Rxc4+
- 2...Kxc4
- 3.Se3#
- 3.Sxd6#
- 3.Qd4#
- 2...Kxc4
- 2.Rxd6
- threat
- 3.Rc6#
- 2...Sxd6
- 3.Se3#
- 3.Sxd6#
- 3.Qc3#
- 3.Qd4#
- threat
- 2.Rg7
- threat
- 3.Rc7#
- 2...Se5
- 3.Bxd6#
- 3.Qxa5#
- threat
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Qxa5+
- 2...Sxa5
- 3.Bxd6#
- 2...Sxa5
- 2.Se3+
- 1...Se1
- 2.Se3+
- 2...Se5
- 3.Bxd6#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sg3+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sh4+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sxd6+
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sh6+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Se7+
- 2...Se5
- 3.Qc3#
- 2...d5
- 3.Rdxd5#
- 3.Rgxd5#
- 2...Se5
- 2.Sg7+
- 2...Se5
- 3.Se6#
- 3.Bxd6#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Bb7
- threat
- 3.Rd5#
- 2...Sxd2
- 3.Bxd6#
- 2...Sb2
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 3.Qxa5#
- 2...Sa3
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 2...Se3
- 3.Sxe3#
- 3.Bxd6#
- 3.Qxa5#
- 2...Se5
- 3.Bxd6#
- 3.Qxa5#
- 2...Sb6
- 3.Bxd6#
- 3.Qxa5#
- threat
- 2.Bxd6+
- 2...Sxd6
- 3.Sxd6#
- 2...Sxd6
- 2.Rxc4+
- 2...Kxc4
- 3.Se3#
- 3.Sxd6#
- 3.Qd4#
- 2...Kxc4
- 2.Rxd6
- threat
- 3.Rc6#
- 2...Sxd6
- 3.Se3#
- 3.Sxd6#
- 3.Qc3#
- 3.Qd4#
- threat
- 2.Rg7
- threat
- 3.Rc7#
- 2...Se5
- 3.Bxd6#
- 3.Qxa5#
- threat
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Qxa5+
- 2...Sxa5
- 3.Bxd6#
- 2...Sxa5
- 2.Se3+
- 1...S2a3
- 2.Se3+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 2...Se5
- 2.Sg3+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 2...Se5
- 2.Sh4+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 2...Se5
- 2.Sxd6+
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 3.Rxe5#
- 2...Se5
- 2.Sh6+
- 2...Se5
- 3.Bxd6#
- 3.Rxe5#
- 2...Se5
- 2.Sg7+
- 2...Se5
- 3.Se6#
- 3.Bxd6#
- 3.Rxe5#
- 2...Se5
- 2.Bb7
- threat
- 3.Rd5#
- 2...Sxd2
- 3.Bxd6#
- 2...Sb2
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- 2...Se3
- 3.Sxe3#
- 3.Bxd6#
- 2...Se5
- 3.Bxd6#
- 2...Sb6
- 3.Bxd6#
- threat
- 2.Bxd6+
- 2...Sxd6
- 3.Sxd6#
- 2...Sxd6
- 2.Rxd6
- threat
- 3.Rc6#
- 2...Sxd6
- 3.Se3#
- 3.Sxd6#
- 3.Qd4#
- threat
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- threat
- 2.Qxa5+
- 2...Sb5
- 3.Qxb5#
- 2...Sxa5
- 3.Bxd6#
- 2...Sb5
- 2.Se3+
- 1...S2e3
- 2.Sxe3+
- 2...Se5
- 3.Bxd6#
- 3.Rc4#
- 3.Rxe5#
- 3.Qc3#
- 2...Se5
- 2.Sxd6+
- 2...Sd5
- 3.Rxc4#
- 2...Sf5
- 3.Sxc4#
- 3.Sb7#
- 3.Rxc4#
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 2...Sd5
- 2.Qc3
- threat
- 3.Sxe3#
- 3.Bxd6#
- 2...Sd5
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Qxa5+
- 2...Sxa5
- 3.Bxd6#
- 2...Sxa5
- 2.Sxe3+
- 1...Sb4
- 2.Se3+
- 2...Sd5
- 3.Rxc4#
- 2...Se5
- 3.Bxd6#
- 3.Rc4#
- 3.Qc3#
- 2...Sd5
- 2.Sxd6+
- 2...Sd5
- 3.Rxc4#
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 3.Rc4#
- 3.Qc3#
- 2...Sd5
- 2.Rxc4+
- 2...Kxc4
- 3.Se3#
- 3.Sxd6#
- 3.Qd4#
- 2...Kxc4
- 2.Qc3
- threat
- 3.Bxd6#
- 3.Rxc4#
- 3.Qxc4#
- threat
- 2.Se3+
- 1...b2
- 2.Se3+
- 2...Se5
- 3.Bxd6#
- 2...Se5
- 2.Sg3+
- 2...Se5
- 3.Bxd6#
- 2...Se5
- 2.Sh4+
- 2...Se5
- 3.Bxd6#
- 2...Se5
- 2.Sxd6+
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 2...Se5
- 2.Sh6+
- 2...Se5
- 3.Bxd6#
- 2...Se5
- 2.Sg7+
- 2...Se5
- 3.Bxd6#
- 2...Se5
- 2.Qc3
- threat
- 3.Se3#
- 3.Sg3#
- 3.Sh4#
- 3.Sxd6#
- 3.Sh6#
- 3.Sg7#
- 3.Bxd6#
- threat
- 2.Qxa5+
- 2...Sxa5
- 3.Bxd6#
- 2...Sxa5
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Se3+
- threat
- 1.e3!
- threat
- 2.Sxd6+
- 2...Kb4
- 3.Rxc4#
- 2...Se5
- 3.Sc4#
- 3.Sb5#
- 3.Sf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sc8#
- 3.Se8#
- 3.Rc4#
- 3.Rxe5#
- 2...Kb4
- 2.Bxd6+
- 2...Sxd6
- 3.Sxd6#
- 2...Sxd6
- 2.Sxd6+
- 1...Kb4
- 2.Bxd6+
- 2...Kc3
- 3.Rd3#
- 2...Kxa4
- 3.Bc6#
- 2...Kc3
- 2.Bxd6+
- 1...b2
- 2.Qxc2
- threat
- 3.Bxd6#
- 2...Kb4
- 3.Bxd6#
- threat
- 2.Qxc2
- threat
- 1.Sxd6+!
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).