MESON Chess Problem Database
Problem Display
PID: 147850 (1b6/1rB1N3/1N3Kp1/2k1PQR1/p2q4/2p1P2P/B1P5/1R1b3r w - - 0 1)
Dawson, Thomas Rayner
Hampstead and Highgate Express, 1911
(First published on Sat Feb 25 1911)
#2
12 + 9
| 15256 | TRD Scrapbook | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qxe5+
- 2.Qxe5#
- 1...Qd2
- 2.Sxa4#
- 1...Qd3
- 2.Sxa4#
- 1...Qc4
- 2.Sd7#
- 1...Qe4
- 2.Sd7#
- 1...Qf4
- 2.Sd7#
- 1...Qg4
- 2.Sd7#
- 1...Qh4
- 2.Sd7#
- 1...Qd5
- 2.Sxa4#
- 1...Qd7
- 2.Sxd7#
- 1...Qd8
- 2.Sxa4#
- 1...Rxb6+
- 2.Bxb6#
- 1...Qxe5+
- Tries
- 1.Qe4?
- threat
- 2.Qc6#
- 2.Qxd4#
- 2.exd4#
- 1...Qxe5+
- 2.Rxe5#
- 2.Qxe5#
- 1...Qd6+
- 2.exd6#
- 1...Rxb6+
- 2.Bxb6#
- 1...Qxe3
- 2.Sxa4#
- 2.Sd7#
- 2.Qd5#
- 2.Qxe3#
- 2.Qb4#
- 2.Qc4#
- 1...Qxe4
- 2.Sd7#
- 1...Rxc7
- 2.Qxd4#
- 2.exd4#
- 1...Qb4
- 2.Qd5#
- 2.Qc6#
- 2.Qxb4#
- 2.e6#
- 1...Qd2
- 2.Sxa4#
- 2.Qc6#
- 2.Qb4#
- 2.Qc4#
- 1...Qd3
- 2.Sxa4#
- 2.Qc6#
- 2.Qb4#
- 1...Qc4
- 2.Sd7#
- 2.Qc6#
- 2.Qxc4#
- 1...Qd5
- 2.Sxa4#
- 2.Qxd5#
- 2.Qb4#
- 1...Qd7
- 2.Sxd7#
- 2.Qb4#
- 2.Qc4#
- 1...Qd8
- 2.Sxa4#
- 2.Qc6#
- 2.Qb4#
- 2.Qc4#
- 1...Bf3
- 2.Qxd4#
- 2.exd4#
- 1...Rf1+!
- threat
- 1.Qf4?
- threat
- 2.Qxd4#
- 2.exd4#
- 1...Qxe5+
- 2.Rxe5#
- 2.Qxe5#
- 1...Qd6+
- 2.exd6#
- 1...Rxb6+
- 2.Bxb6#
- 1...Qxe3
- 2.Sxa4#
- 2.Sd7#
- 2.Qxe3#
- 2.Qb4#
- 2.Qc4#
- 1...Qb4
- 2.Qxb4#
- 2.e6#
- 1...Qd2
- 2.Sxa4#
- 2.Qb4#
- 2.Qc4#
- 1...Qd3
- 2.Sxa4#
- 2.Qb4#
- 1...Qc4
- 2.Sd7#
- 2.Qxc4#
- 1...Qe4
- 2.Sd7#
- 1...Qd5
- 2.Sxa4#
- 2.Qb4#
- 1...Qd7
- 2.Sxd7#
- 2.Qb4#
- 2.Qc4#
- 1...Qd8
- 2.Sxa4#
- 2.Qb4#
- 2.Qc4#
- 1...Rf1
- 2.exd4#
- 1...Qxf4+!
- threat
- 1.Qe4?
- Keys
- 1.Qf2!
- threat
- 2.exd4#
- 1...Qxe5+
- 2.Rxe5#
- 1...Qf4+
- 2.exf4#
- 1...Qd6+
- 2.exd6#
- 1...Rxb6+
- 2.Bxb6#
- 1...Qxe3
- 2.Qxe3#
- 1...Qb4
- 2.e6#
- 1...Qd2
- 2.Sxa4#
- 1...Qd3
- 2.Sxa4#
- 1...Qc4
- 2.Sd7#
- 1...Qe4
- 2.Sd7#
- 1...Qg4
- 2.e4#
- 1...Qh4
- 2.Sd7#
- 1...Qd5
- 2.Sxa4#
- 1...Qd7
- 2.Sxd7#
- 1...Qd8
- 2.Sxa4#
- threat
- 1.Qf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(e);CHECK,OGATE,P_SPINQ(e),XP(F)::QAR2(G),XQ(e)
- Q(e);N_GUARD,N_PINP(F)::S(I),XP(d)
- Q(e);N_GUARD,N_PINP(F)::S(I)
- Q(e);N_GUARD,N_PINP(F),P_PINQ(G)::S(I)
- Q(e);N_GUARD,N_PINP(F),P_PINR(H)::S(I)
- Q(e);N_GUARD,N_PINP(F)::S(I),XQ(e)
- Q(e);N_GUARD,N_PINP(F),P_PINS(L)::S(I),XP(d)
- R(h);CHECK,OGATE,XS(I)::B(K),XR(h)
- Tries
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- Q(e);CHECK,N_PINP(F)::R(H)+P(F),XQ(e)
- R(h);CHECK,OGATE,XS(I)::B(K),XR(h)
- Q(e);N_GUARD,N_PINP(F),XQ(G)::S(I)
- Refutation
- R(b);CHECK
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(e);CHECK,N_PINP(F)::R(H)+P(F),XQ(e)
- R(h);CHECK,OGATE,XS(I)::B(K),XR(h)
- Q(e);N_GUARD,N_PINP(F)::S(I)
- R(b);P_PINQ(G)::P(D),XQ(e)
- Refutation
- Q(e);CHECK,N_PINP(F),XQ(G)
- Try
- Actual
- Q(G);
- Threat
- P(D),XQ(e)
- Vars
- Q(e);CHECK,OGATE,P_SPINQ(e),XP(F)::R(H),XQ(e)
- Q(e);CHECK,N_PINP(F),OGATE::QAB(G)+P(D),XQ(e)
- Q(e);CHECK,N_PINP(F)::R(H)+P(F),XQ(e)
- R(h);CHECK,OGATE,XS(I)::B(K),XR(h)
- Q(e);N_PINP(F),OGATE,P_SPINQ(e),XP(D)::QAB(G),XQ(e)
- Q(e);N_PINP(F)::R(H)+P(F)
- Q(e);N_GUARD,N_PINP(F)::S(I),XP(d)
- Q(e);N_GUARD,N_PINP(F)::S(I)
- Q(e);N_PINP(F)::QAB(G)+P(D)
- Q(e);N_GUARD,N_PINP(F),P_PINR(H)::S(I)
- Q(e);N_GUARD,N_PINP(F)::S(I),XQ(e)
- Q(e);N_GUARD,N_PINP(F),P_PINS(L)::S(I),XP(d)
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).