MESON Chess Problem Database
Problem Display
PID: 150127 (8/8/5p1K/N4Rp1/r2k1n2/3p1B1R/3Q1P2/b7 w - - 0 1)
Lawton, Howard
Leeds Mercury, 1904
(First published on Sat Nov 19 1904)
#2
7 + 7
| 14868 | Pirnie Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Sb3#
- 1...Rxa5
- 2.Qb4#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qe3#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sxh3
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Ra2
- Tries
- 1.Kh7?
- 1...Rxa5
- 2.Qb4#
- 1...Sxh3
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Sb3#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qe3#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sh5
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...g4!
- 1...Rxa5
- 1.Bh1?
- 1...Rxa5
- 2.Qb4#
- 1...Sxh3
- 2.Rd5#
- 1...Sg2
- 2.Qxd3#
- 1...Sd5
- 2.Rxd5#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Sb3#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qe3#
- 1...Se2
- 2.Rxd3#
- 2.Rd5#
- 2.Qxd3#
- 1...Sh5
- 2.Rxd3#
- 2.Rd5#
- 2.Qxd3#
- 1...Se6
- 2.Rxd3#
- 2.Rd5#
- 2.Qxd3#
- 1...Sg6
- 2.Rxd3#
- 2.Rd5#
- 2.Qxd3#
- 1...g4!
- 1...Rxa5
- 1.Bg2?
- 1...Rxa5
- 2.Qb4#
- 1...Sxg2
- 2.Qxd3#
- 1...Sxh3
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Sb3#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qe3#
- 1...Se2
- 2.Rxd3#
- 2.Rd5#
- 2.Qxd3#
- 1...Sh5
- 2.Rxd3#
- 2.Rd5#
- 2.Qxd3#
- 1...Se6
- 2.Rxd3#
- 2.Rd5#
- 2.Qxd3#
- 1...Sg6
- 2.Rxd3#
- 2.Rd5#
- 2.Qxd3#
- 1...g4!
- 1...Rxa5
- 1.Rh1?
- 1...Rxa5
- 2.Qb4#
- 1...Sd5
- 2.Rxd5#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Sb3#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qe3#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sh5
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...g4!
- 1...Rxa5
- 1.Rh2?
- 1...Rxa5
- 2.Qb4#
- 1...Sd5
- 2.Rxd5#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Sb3#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qe3#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sh5
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...g4!
- 1...Rxa5
- 1.Rg3?
- 1...Rxa5
- 2.Qb4#
- 1...Sd5
- 2.Rxd5#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Sb3#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qe3#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sh5
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...g4!
- 1...Rxa5
- 1.Rc5?
- threat
- 2.Sb3#
- 2.Qe3#
- 1...Rxa5
- 2.Qe3#
- 2.Qb4#
- 1...Sd5
- 2.Rxd5#
- 1...Ra3
- 2.Qe3#
- 2.Qb4#
- 1...Rb4
- 2.Qe3#
- 2.Qxb4#
- 1...Rc4
- 2.Sb3#
- 1...Sg2
- 2.Sb3#
- 2.Rd5#
- 1...Kxc5!
- threat
- 1.Kh7?
- Keys
- 1.Rh5!
- 1...Rxa5
- 2.Qb4#
- 1...Sxh5
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...g4
- 2.Rxf4#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Sb3#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qe3#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Rxa5
- 1.Rh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::QAR2(A)
- R(c);N_GUARD::QAR2(A),XR(c)
- R(c);SBLOCK::S(E)
- R(c);N_GUARD,XS(E)::QAR2(A)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::QAB1(A)
- S(e);N_GUARD::R1(F)
- S(e);N_GUARD,XR(D)::R1(F)
- S(e);N_GUARD::R1(F),XS(e)
- Tries
- Try
- K(G);P-FLIGHT
- Vars
- R(c);N_GUARD,XS(E)::QAR2(A)
- S(e);N_GUARD,XR(D)::R1(F)
- S(e);N_GUARD::R1(F),XS(e)
- R(c);N_GUARD::QAR2(A)
- R(c);N_GUARD::QAR2(A),XR(c)
- R(c);SBLOCK::S(E)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::QAB1(A)
- S(e);N_GUARD::R1(F)
- Refutation
- P(f);
- Try
- B(C);
- Vars
- R(c);N_GUARD,XS(E)::QAR2(A)
- S(e);N_GUARD,XR(D)::R1(F)
- S(e);N_GUARD::QAR1(A),XP(b)
- S(e);N_GUARD::R1(F),XS(e)
- R(c);N_GUARD::QAR2(A)
- R(c);N_GUARD::QAR2(A),XR(c)
- R(c);SBLOCK::S(E)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::QAB1(A)
- Refutation
- P(f);
- Try
- B(C);
- Vars
- R(c);N_GUARD,XS(E)::QAR2(A)
- S(e);N_GUARD,XB(C)::QAR1(A),XP(b)
- S(e);N_GUARD,XR(D)::R1(F)
- S(e);N_GUARD::R1(F),XS(e)
- R(c);N_GUARD::QAR2(A)
- R(c);N_GUARD::QAR2(A),XR(c)
- R(c);SBLOCK::S(E)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::QAB1(A)
- Refutation
- P(f);
- Try
- R(D);
- Vars
- R(c);N_GUARD,XS(E)::QAR2(A)
- S(e);N_GUARD::R1(F),XS(e)
- R(c);N_GUARD::QAR2(A)
- R(c);N_GUARD::QAR2(A),XR(c)
- R(c);SBLOCK::S(E)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::QAB1(A)
- S(e);N_GUARD::R1(F)
- Refutation
- P(f);
- Try
- R(D);
- Vars
- R(c);N_GUARD,XS(E)::QAR2(A)
- S(e);N_GUARD::R1(F),XS(e)
- R(c);N_GUARD::QAR2(A)
- R(c);N_GUARD::QAR2(A),XR(c)
- R(c);SBLOCK::S(E)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::QAB1(A)
- S(e);N_GUARD::R1(F)
- Refutation
- P(f);
- Try
- R(D);
- Vars
- R(c);N_GUARD,XS(E)::QAR2(A)
- S(e);N_GUARD::R1(F),XS(e)
- R(c);N_GUARD::QAR2(A)
- R(c);N_GUARD::QAR2(A),XR(c)
- R(c);SBLOCK::S(E)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::QAB1(A)
- S(e);N_GUARD::R1(F)
- Refutation
- P(f);
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD::R1(F),XS(e)
- R(c);::S(E)
- Refutation
- K(d);N_SPINP(b),S_FLIGHT,XR(F)
- Try
- Actual
- R(D);
- Vars
- R(c);N_GUARD,XS(E)::QAR2(A)
- S(e);N_GUARD,XR(D)::R1(F)
- S(e);N_GUARD::R1(F),XS(e)
- P(f);N_GUARD::R(F),XS(e)
- R(c);N_GUARD::QAR2(A)
- R(c);N_GUARD::QAR2(A),XR(c)
- R(c);SBLOCK::S(E)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::QAB1(A)
- S(e);N_GUARD::R1(F)
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).