MESON Chess Problem Database
Problem Display
PID: 269531 (k7/2K5/2N5/1NB2p2/4rp2/4pB2/4P3/8 w - - 0 1)
Russell, HA
Sunday Referee, 1930
(First published on Sun Dec 28 1930)
#2
6 + 5
| 15239 | Valois Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Ra4
- 2.Sb4#
- 2.Scd4#
- 1...Rb4
- 2.Sxb4#
- 2.Scd4#
- 1...Rc4
- 2.Scd4#
- 1...Rd4
- 2.Scxd4#
- 1...Re5
- 2.Sxe5#
- 1...Re7+
- 2.Sxe7#
- 1...Re8
- 2.Se5#
- 2.Se7#
- 1...Ra4
- Tries
- 1.Kc8?
- threat
- 2.Sc7#
- 1...Re7
- 2.Sxe7#
- 1...Re8+!
- threat
- 1.Sa3?
- 1...Re7+
- 2.Sxe7#
- 1...Ra4
- 2.Sb4#
- 2.Sd4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.Sd4#
- 1...Rd4
- 2.Sxd4#
- 1...Re5
- 2.Sxe5#
- 1...Re8
- 2.Se5#
- 2.Se7#
- 1...Re6!
- 1...Re7+
- 1.Sc3?
- 1...Re7+
- 2.Sxe7#
- 1...Ra4
- 2.Sb4#
- 2.Sd4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.Sd4#
- 1...Rd4
- 2.Sxd4#
- 1...Re5
- 2.Sxe5#
- 1...Re8
- 2.Se5#
- 2.Se7#
- 1...Re6!
- 1...Re7+
- 1.Sbd4?
- 1...Re7+
- 2.Sxe7#
- 1...Rxd4
- 2.Sxd4#
- 1...Re5
- 2.Sxe5#
- 1...Re8
- 2.Se5#
- 2.Se7#
- 1...Re6!
- 1...Re7+
- 1.Sba7?
- 1...Re7+
- 2.Sxe7#
- 1...Ra4
- 2.Sb4#
- 2.Sd4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.Sd4#
- 1...Rd4
- 2.Sxd4#
- 1...Re5
- 2.Sxe5#
- 1...Re8
- 2.Se5#
- 2.Se7#
- 1...Re6!
- 1...Re7+
- 1.Bd4?
- 1...Re7+
- 2.Sxe7#
- 1...Rxd4
- 2.Scxd4#
- 1...Re5
- 2.Sxe5#
- 1...Re8
- 2.Se5#
- 2.Se7#
- 1...Re6!
- 1...Re7+
- 1.Bd6?
- 1...Re7+
- 2.Sxe7#
- 1...Re6
- 2.Se5#
- 1...Ra4
- 2.Sb4#
- 2.Scd4#
- 1...Rb4
- 2.Sxb4#
- 2.Scd4#
- 1...Rd4
- 2.Scxd4#
- 1...Re5
- 2.Sxe5#
- 1...Re8
- 2.Se5#
- 2.Se7#
- 1...Rc4!
- 1...Re7+
- 1.Kc8?
- Keys
- 1.Sd6!
- 1...Re7+
- 2.Sxe7#
- 1...Re6
- 2.Se5#
- 1...Ra4
- 2.Sb4#
- 2.Sd4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.Sd4#
- 1...Rd4
- 2.Sxd4#
- 1...Re5
- 2.Sxe5#
- 1...Re8
- 2.Se5#
- 2.Se7#
- 1...Re7+
- 1.Sd6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);::B(B)+S(E)
- R(b);::B(B)+S(E),XR(b)
- R(b);CHECK::B(B)+S(E),XR(b)
- Tries
- Try
- K(F);P-FLIGHT
- Threat
- S(C)
- Vars
- R(b);::B(B)+S(E),XR(b)
- Refutation
- R(b);CHECK
- Try
- S(C);
- Vars
- R(b);CHECK::B(B)+S(E),XR(b)
- R(b);::B(B)+S(E),XR(b)
- R(b);::B(B)+S(E)
- Refutation
- R(b);
- Try
- S(C);
- Vars
- R(b);CHECK::B(B)+S(E),XR(b)
- R(b);::B(B)+S(E),XR(b)
- R(b);::B(B)+S(E)
- Refutation
- R(b);
- Try
- S(C);
- Vars
- R(b);CHECK::B(B)+S(E),XR(b)
- R(b);XS(C)::B(B)+S(E),XR(b)
- R(b);::B(B)+S(E),XR(b)
- Refutation
- R(b);
- Try
- S(C);
- Vars
- R(b);CHECK::B(B)+S(E),XR(b)
- R(b);::B(B)+S(E),XR(b)
- R(b);::B(B)+S(E)
- Refutation
- R(b);
- Try
- B(D);
- Vars
- R(b);CHECK::B(B)+S(E),XR(b)
- R(b);XB(D)::B(B)+S(E),XR(b)
- R(b);::B(B)+S(E),XR(b)
- Refutation
- R(b);
- Try
- B(D);
- Vars
- R(b);CHECK::B(B)+S(E),XR(b)
- R(b);::B(B)+S(E)
- R(b);::B(B)+S(E),XR(b)
- Refutation
- R(b);P_PINS(E)
- Try
- Actual
- S(C);
- Vars
- R(b);CHECK::B(B)+S(E),XR(b)
- R(b);::B(B)+S(E)
- R(b);::B(B)+S(E),XR(b)
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).