MESON Chess Problem Database
Problem Display
PID: 147574 (8/1B4n1/Q2B4/3P1NR1/1r2k1p1/3p4/5PK1/8 w - - 0 1)
Dawson, Thomas Rayner
Bolton Football and Field, 1909
(First published on Sat Oct 2 1909)
#2
8 + 5
| 15256 | TRD Scrapbook | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qc4#
- 1...Rb2
- 2.Qc4#
- 1...Rb3
- 2.Qc4#
- 1...Ra4
- 2.Qxa4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sg3#
- 1...Rb6
- 2.Qc4#
- 1...Rxb7
- 2.Qc4#
- 1...Sxf5
- 2.Rxg4#
- 1...d2
- 2.Qe2#
- 1...g3
- 2.f3#
- 1...Rb1
- Tries
- 1.Sxg7?
- threat
- 2.Rxg4#
- 1...Rxb7
- 2.Qc4#
- 1...g3
- 2.Rg4#
- 1...Kd4!
- threat
- 1.Bg3?
- 1...Rxb7
- 2.Qc4#
- 1...Sxf5
- 2.Rxg4#
- 1...Sh5
- 2.Qe6#
- 1...Rb1
- 2.Qc4#
- 1...Rb2
- 2.Qc4#
- 1...Rb3
- 2.Qc4#
- 1...Ra4
- 2.Qxa4#
- 2.d6#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sd6#
- 1...Rb6
- 2.Qc4#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...d2
- 2.Qe2#
- 1...Rb5!
- 1...Rxb7
- 1.Bc7?
- 1...Rxb7
- 2.Qc4#
- 1...Sxf5
- 2.Rxg4#
- 1...Sh5
- 2.Qe6#
- 1...Rb1
- 2.Qc4#
- 1...Rb2
- 2.Qc4#
- 1...Rb3
- 2.Qc4#
- 1...Ra4
- 2.Qxa4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sg3#
- 1...Rb6
- 2.Qc4#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...d2
- 2.Qe2#
- 1...g3
- 2.f3#
- 1...Rb5!
- 1...Rxb7
- 1.Bb8?
- 1...Rxb7
- 2.Qc4#
- 1...Sxf5
- 2.Rxg4#
- 1...Sh5
- 2.Qe6#
- 1...Rb1
- 2.Qc4#
- 1...Rb2
- 2.Qc4#
- 1...Rb3
- 2.Qc4#
- 1...Ra4
- 2.Qxa4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sg3#
- 1...Rb6
- 2.Qc4#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...d2
- 2.Qe2#
- 1...g3
- 2.f3#
- 1...Rb5!
- 1...Rxb7
- 1.Qb5?
- threat
- 2.Qxb4#
- 1...Sxf5
- 2.Rxg4#
- 1...Rb1
- 2.Qc4#
- 1...Rb2
- 2.Qc4#
- 1...Rb3
- 2.Qc4#
- 1...Ra4
- 2.Qxa4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sg3#
- 1...Se6
- 2.dxe6#
- 1...d2
- 2.Qe2#
- 1...Rxb5!
- threat
- 1.Qa4?
- threat
- 2.Qxb4#
- 1...Sxf5
- 2.Rxg4#
- 1...d2
- 2.Qc2#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sg3#
- 2.Qxd4#
- 1...Se6
- 2.dxe6#
- 1...Rxa4!
- threat
- 1.Qb6?
- threat
- 2.Sg3#
- 2.Qe3#
- 2.Qxb4#
- 1...Sxf5
- 2.Rxg4#
- 1...d2
- 2.Qe3#
- 1...Sh5
- 2.Qe3#
- 2.Qxb4#
- 1...Rb1
- 2.Sg3#
- 2.Qe3#
- 2.Qd4#
- 1...Rb2
- 2.Sg3#
- 2.Qe3#
- 2.Qd4#
- 1...Rb3
- 2.Sg3#
- 2.Qe3#
- 2.Qd4#
- 1...Ra4
- 2.Sg3#
- 2.Qe3#
- 1...Rc4
- 2.Sg3#
- 2.Qe3#
- 1...Rd4
- 2.Sg3#
- 2.Qxd4#
- 1...Rb5
- 2.Sg3#
- 2.Qe3#
- 2.Qd4#
- 1...Se6
- 2.Sg3#
- 2.Qe3#
- 2.dxe6#
- 1...g3
- 2.Sxg3#
- 2.Qe3#
- 2.Qxb4#
- 2.f3#
- 1...Rxb6!
- threat
- 1.Qa7?
- threat
- 2.Sg3#
- 2.Qe3#
- 1...Rxb7
- 2.Sg3#
- 2.Qd4#
- 1...Sxf5
- 2.Rxg4#
- 1...d2
- 2.Qe3#
- 1...Sh5
- 2.Qe3#
- 1...Rd4
- 2.Sg3#
- 2.Qxd4#
- 1...g3
- 2.Sxg3#
- 2.Qe3#
- 2.f3#
- 1...Rb6!
- threat
- 1.Sxg7?
- Keys
- 1.Qc6!
- 1...Rxb7
- 2.Qc4#
- 1...Sxf5
- 2.Rxg4#
- 1...d2
- 2.Qc2#
- 1...Sh5
- 2.Qe8#
- 1...Rb1
- 2.Qc4#
- 1...Rb2
- 2.Qc4#
- 1...Rb3
- 2.Qc4#
- 1...Ra4
- 2.Qxa4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sg3#
- 1...Rb5
- 2.Qc4#
- 1...Rb6
- 2.Qc4#
- 1...Se6
- 2.dxe6#
- 1...Se8
- 2.Qxe8#
- 1...g3
- 2.f3#
- 1...Rxb7
- 1.Qc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::QAR2(F)
- R(b);N_GUARD,P_PINP(A)::QAR2(F)
- R(b);OGATEB::QAR(F),XR(b)
- R(b);N_GUARD::QAR2(F),XR(b)
- R(b);SBLOCK::S(D)
- R(b);N_GUARD,XB(H)::QAR2(F)
- S(e);SBLOCK,XS(D)::R(E),XP(d)
- P(a);OGATE::QAR2(F)
- P(d);N_GUARD::P(A)
- Tries
- Try
- S(D);XS(e)
- Threat
- R(E),XP(d)
- Vars
- R(b);N_GUARD,XB(H)::QAR2(F)
- P(d);::R(E)
- Refutation
- K(c);P-FLIGHT
- Try
- B(G);
- Vars
- R(b);N_GUARD,XB(H)::QAR2(F)
- S(e);SBLOCK,XS(D)::R(E),XP(d)
- S(e);N_GUARD::QAR2(F)
- R(b);N_GUARD::QAR2(F)
- R(b);N_GUARD,P_PINP(A)::QAR2(F)
- R(b);N_GUARD::QAR2(F),XR(b)
- R(b);SBLOCK::S(D)
- S(e);N_GUARD::QAR2(F),XS(e)
- P(a);OGATE::QAR2(F)
- Refutation
- R(b);
- Try
- B(G);
- Vars
- R(b);N_GUARD,XB(H)::QAR2(F)
- S(e);SBLOCK,XS(D)::R(E),XP(d)
- S(e);N_GUARD::QAR2(F)
- R(b);N_GUARD::QAR2(F)
- R(b);N_GUARD,P_PINP(A)::QAR2(F)
- R(b);OGATEB::QAR(F),XR(b)
- R(b);N_GUARD::QAR2(F),XR(b)
- R(b);SBLOCK::S(D)
- S(e);N_GUARD::QAR2(F),XS(e)
- P(a);OGATE::QAR2(F)
- P(d);N_GUARD::P(A)
- Refutation
- R(b);
- Try
- B(G);
- Vars
- R(b);N_GUARD,XB(H)::QAR2(F)
- S(e);SBLOCK,XS(D)::R(E),XP(d)
- S(e);N_GUARD::QAR2(F)
- R(b);N_GUARD::QAR2(F)
- R(b);N_GUARD,P_PINP(A)::QAR2(F)
- R(b);OGATEB::QAR(F),XR(b)
- R(b);N_GUARD::QAR2(F),XR(b)
- R(b);SBLOCK::S(D)
- S(e);N_GUARD::QAR2(F),XS(e)
- P(a);OGATE::QAR2(F)
- P(d);N_GUARD::P(A)
- Refutation
- R(b);
- Try
- Q(F);
- Threat
- QAR(F),XR(b)
- Vars
- S(e);SBLOCK,XS(D)::R(E),XP(d)
- R(b);N_GUARD::QAR2(F)
- R(b);N_GUARD,P_PINP(A)::QAR2(F)
- R(b);OGATEB::QAR(F),XR(b)
- R(b);N_GUARD::QAR2(F),XR(b)
- R(b);SBLOCK::S(D)
- S(e);OGATE::B(H)+P(C),XS(e)
- P(a);OGATE::QAR2(F)
- Refutation
- R(b);XQ(F)
- Try
- Q(F);P_PINR(b)
- Threat
- QAR(F),XR(b)
- Vars
- S(e);SBLOCK,XS(D)::R(E),XP(d)
- P(a);OGATEB::QAB(F)
- R(b);OGATE::QAR2(F),XR(b)
- S(e);OGATE::B(H)+P(C),XS(e)
- Refutation
- R(b);N_SPINR(b),XQ(F)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- S(e);SBLOCK,XS(D)::R(E),XP(d)
- P(a);::QAR1(F)
- Refutation
- R(b);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- S(e);SBLOCK,XS(D)::R(E),XP(d)
- P(a);::QAR1(F)
- S(e);::QAR1(F)
- Refutation
- R(b);
- Try
- Actual
- Q(F);
- Vars
- R(b);N_GUARD,XB(H)::QAR2(F)
- S(e);SBLOCK,XS(D)::R(E),XP(d)
- P(a);OGATEB::QAB(F)
- S(e);N_GUARD::QAR(F)
- R(b);N_GUARD::QAR2(F)
- R(b);N_GUARD,P_PINP(A)::QAR2(F)
- R(b);OGATEB::QAR(F),XR(b)
- R(b);N_GUARD::QAR2(F),XR(b)
- R(b);SBLOCK::S(D)
- S(e);OGATE::QAB(F)+P(C),XS(e)
- S(e);N_GUARD::QAR(F),XS(e)
- P(d);N_GUARD::P(A)
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).