MESON Chess Problem Database
Problem Display
PID: 142504 (8/2R3N1/B7/3Pq3/P2k1P1Q/R1N5/5P1K/2n5 w - - 0 1)
Winter-Wood, Edward John
Norwood News, 1901
(First published on Sat Aug 31 1901)
#2
11 + 3
| 15254 | EJWW Scrapbook | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qxf4+
- 2.Qxf4#
- 1...Qd6
- 2.Sf5#
- 1...Qf6
- 2.Qxf6#
- 1...Qxc7
- 2.Se6#
- 1...Qe1
- 2.Sf5#
- 1...Qe2
- 2.Sf5#
- 1...Qe3
- 2.Sf5#
- 1...Qf5
- 2.Sxf5#
- 1...Qg5
- 2.Se6#
- 1...Qh5
- 2.Se6#
- 1...Qe6
- 2.Sxe6#
- 1...Qe7
- 2.Sf5#
- 1...Qe8
- 2.Sf5#
- 1...Sd3
- 2.Rc4#
- 1...Qxf4+
- Tries
- 1.Sb5+?
- 1...Kxd5
- 2.Bb7#
- 1...Ke4!
- 1...Kxd5
- 1.Qg3?
- threat
- 2.Rc4#
- 1...Qxf4
- 2.Qxf4#
- 1...Qxc7
- 2.Se6#
- 2.Qe3#
- 1...Qxd5
- 2.Qe3#
- 1...Qe2
- 2.Sf5#
- 1...Qe3
- 2.Sf5#
- 2.Qxe3#
- 2.fxe3#
- 1...Qh5+!
- threat
- 1.Qf6?
- threat
- 2.Sf5#
- 2.Se6#
- 2.Qxe5#
- 2.Qb6#
- 1...Sb3
- 2.Sf5#
- 2.Se6#
- 2.Qxe5#
- 1...Sd3
- 2.Sf5#
- 2.Se6#
- 2.Rc4#
- 1...Qxf6!
- threat
- 1.Qh3?
- threat
- 2.Rc4#
- 1...Qxc7
- 2.Se6#
- 2.Qe3#
- 1...Qxd5
- 2.Qe3#
- 1...Qe2
- 2.Sf5#
- 1...Qe3
- 2.Sf5#
- 2.Qxe3#
- 2.fxe3#
- 1...Qxf4+!
- threat
- 1.Qh8?
- threat
- 2.Sf5#
- 2.Se6#
- 1...Qh5+
- 2.Sxh5#
- 1...Qxc7
- 2.Se6#
- 1...Qxg7
- 2.Qxg7#
- 1...Qf5
- 2.Sxf5#
- 2.Se6#
- 1...Qe6
- 2.Sf5#
- 2.Sxe6#
- 1...Qxf4+!
- threat
- 1.Sb5+?
- Keys
- 1.Qg5!
- threat
- 2.Qxe5#
- 1...Qxf4+
- 2.Qxf4#
- 1...Qxc7
- 2.Se6#
- 1...Qxg7
- 2.Qxg7#
- 1...Qxd5
- 2.Qxd5#
- 1...Qxg5
- 2.Se6#
- 1...Qd6
- 2.Sf5#
- 1...Qf6
- 2.Qxf6#
- 1...Qe1
- 2.Sf5#
- 1...Qe2
- 2.Sf5#
- 1...Qe3
- 2.Sf5#
- 1...Qe4
- 2.Sb5#
- 1...Qf5
- 2.Sxf5#
- 1...Qe6
- 2.Sxe6#
- 1...Qe7
- 2.Sf5#
- 1...Qe8
- 2.Sf5#
- 1...Sd3
- 2.Rc4#
- threat
- 1.Qg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- Q(c);CHECK,OGATE,P_SPINQ(c),XP(F)::QAR2(G),XQ(c)
- Q(c);N_GUARD::S(K)
- Q(c);N_PINP(F),OGATEB::QAB(G),XQ(c)
- Q(c);N_GUARD,XR(J)::S(K)
- Q(c);N_GUARD,N_PINP(F)::S(K)
- Q(c);N_GUARD,N_PINP(F),P_PINP(A)::S(K)
- Q(c);N_GUARD,N_PINP(F)::S(K),XQ(c)
- Q(c);N_GUARD,N_PINP(F),P_PINQ(G)::S(K)
- S(a);SBLOCK::R1(J)
- Tries
- Try
- S(D);CHECK
- Vars
- K(b);P-FLIGHT,XP(H)::B(I)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(G);N_SPINP(F)
- Threat
- R1(J)
- Vars
- Q(c);OGATE,P_PINQ(G),XP(F)::QAR2(G),XQ(c)
- Q(c);N_GUARD,XP(H)::QAB1(G)
- Q(c);N_GUARD,P_PINP(A)::S(K)
- Refutation
- Q(c);CHECK
- Try
- Q(G);P_PINQ(c)
- Threat
- DUALS(4)
- Refutation
- Q(c);N_PINP(F),N_SPINQ(c),XQ(G)
- Try
- Q(G);
- Threat
- R1(J)
- Vars
- Q(c);N_GUARD,N_PINP(F),XP(H)::QAB1(G)
- Q(c);N_GUARD,N_PINP(F),P_PINP(A)::S(K)
- Refutation
- Q(c);CHECK,XP(F)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK,N_PINP(F)::QAB(G)+S(K),XQ(c)
- Q(c);XR(J)::QAB(G)+S(K),DCHECK
- Q(c);N_PINP(F),OGATE,P_SPINQ(c),XS(K)::QAB(G),XQ(c)
- Refutation
- Q(c);CHECK,XP(F)
- Try
- Actual
- Q(G);
- Threat
- QAB1(G),XQ(c)
- Vars
- Q(c);CHECK,OGATE,XP(F)::QAR2(G),XQ(c)
- Q(c);N_GUARD,XR(J)::S(K)
- Q(c);N_PINP(F),OGATE,XS(K)::QAB(G),XQ(c)
- Q(c);N_PINP(F),OGATE,XP(H)::QAR1(G),XQ(c)
- Q(c);N_GUARD,N_PINP(F),XQ(G)::S(K)
- Q(c);N_GUARD::S(K)
- Q(c);N_PINP(F),OGATEB::QAB(G),XQ(c)
- Q(c);N_GUARD,N_PINP(F)::S(K)
- Q(c);N_GUARD,N_PINP(F),P_PINP(A)::S(K)
- Q(c);N_PINP(F),SBLOCK::S(D)
- Q(c);N_GUARD,N_PINP(F)::S(K),XQ(c)
- S(a);SBLOCK::R1(J)
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).