MESON Chess Problem Database
Problem Display
PID: 145808 (1Br5/3pNp2/Q1bnkpn1/2R2N2/6P1/4b2B/7K/4R3 w - - 0 1)
Bridgwater, Ralph Herbert
Birmingham Post, 1925
(First published on Tue Jul 7 1925)
#2
9 + 9
| 15372 | Bridgwater Scrapbook | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Qxd6#
- 1...Bg2
- 2.Qxd6#
- 1...Bf3
- 2.Qxd6#
- 1...Ba4
- 2.Qxd6#
- 1...Be4
- 2.Qxd6#
- 1...Bb5
- 2.Qxd6#
- 1...Bd5
- 2.Qxd6#
- 1...Bb7
- 2.Qxd6#
- 1...Ba8
- 2.Qxd6#
- 1...Sxe7
- 2.Sd4#
- 2.Sg7#
- 1...Bh1
- Tries
- 1.Sxg6?
- threat
- 2.Sd4#
- 2.Sg7#
- 2.Sf4#
- 1...Sxf5
- 2.gxf5#
- 1...Rg8
- 2.Sd4#
- 2.Sf4#
- 1...Be4
- 2.Sg7#
- 2.Qxd6#
- 1...Bd5
- 2.Sd4#
- 2.Sg7#
- 2.Qxd6#
- 1...Se4
- 2.Sg7#
- 1...Sb5
- 2.Sg7#
- 2.Sf4#
- 2.Rxe3#
- 1...Se8
- 2.Sd4#
- 2.Sf4#
- 2.Sf8#
- 2.Rxe3#
- 1...fxg6!
- threat
- 1.Sxc8?
- threat
- 2.Sd4#
- 2.Sg7#
- 1...Sxf5
- 2.gxf5#
- 1...Bd5
- 2.Qxd6#
- 1...Be4
- 2.Sg7#
- 2.Qxd6#
- 1...Se4
- 2.Sg7#
- 1...Sb5
- 2.Sg7#
- 1...Se8
- 2.Sd4#
- 1...Se5
- 2.Sg7#
- 1...Sxc8!
- threat
- 1.Sg8?
- threat
- 2.Sd4#
- 2.Sg7#
- 1...Sxf5
- 2.gxf5#
- 1...Bd5
- 2.Qxd6#
- 1...Be4
- 2.Sg7#
- 2.Qxd6#
- 1...Se4
- 2.Sg7#
- 1...Sb5
- 2.Sg7#
- 1...Se8
- 2.Sd4#
- 1...Se5
- 2.Sg7#
- 1...Rxg8!
- threat
- 1.Qc4+?
- 1...Bd5
- 2.Qxd5#
- 1...Sxc4!
- 1...Bd5
- 1.Qa2+?
- 1...Bd5
- 2.Qxd5#
- 1...Sc4!
- 1...Bd5
- 1.Sxg6?
- Keys
- 1.Sd5!
- 1...Ke5
- 2.Rxe3#
- 1...Rxb8
- 2.Sc7#
- 1...Bxd5
- 2.Qxd6#
- 1...Sxf5
- 2.gxf5#
- 1...Rc7
- 2.Sxc7#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Ba4
- 2.Qxd6#
- 1...Bb5
- 2.Qxd6#
- 1...Bb7
- 2.Qxd6#
- 1...Ba8
- 2.Qxd6#
- 1...Sc4
- 2.Sd4#
- 2.Sg7#
- 1...Se4
- 2.Sg7#
- 1...Sb5
- 2.Sg7#
- 1...Sb7
- 2.Sd4#
- 2.Sg7#
- 1...Se8
- 2.Sd4#
- 1...Sf4
- 2.Sxf4#
- 1...Sh4
- 2.Sf4#
- 1...Se5
- 2.Sg7#
- 1...Se7
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sh8
- 2.Sf4#
- 1...Ke5
- 1.Sd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 18
- REMOVED MATES = 4
- Sets
- B(b);OGATE,P_SPINS(c)::QAR1(G),XS(c)
- B(b);N_SPINB(a),OGATE,P_SPINS(c)::QAR1(G),XS(c)
- Tries
- Try
- S(H);XS(f)
- Threat
- DUALS(3)
- Vars
- S(c);OGATE,XS(F)::P(D),XS(c)
- S(c);N_SPINB(a),P_SPINB(b)::S(F)
- Refutation
- P(h);XS(H)
- Try
- S(H);XR(i)
- Threat
- DUALS(2)
- Vars
- S(c);OGATE,XS(F)::P(D),XS(c)
- B(b);OGATE,P_SPINS(c)::QAR1(G),XS(c)
- S(c);N_SPINB(a),P_SPINB(b)::S(F)
- S(c);::S(F)
- S(f);N_SPINB(a)::S(F)
- Refutation
- S(c);XS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- S(c);OGATE,XS(F)::P(D),XS(c)
- B(b);OGATE,P_SPINS(c)::QAR1(G),XS(c)
- S(c);N_SPINB(a),P_SPINB(b)::S(F)
- S(c);::S(F)
- S(f);N_SPINB(a)::S(F)
- Refutation
- R(i);XS(H)
- Try
- Q(G);CHECK
- Vars
- B(b);N_GUARD::QAB1(G),XB(b)
- Refutation
- S(c);XQ(G)
- Try
- Q(G);CHECK
- Vars
- B(b);N_GUARD::QAB1(G),XB(b)
- Refutation
- S(c);P_SPINS(c)
- Try
- Actual
- S(H);
- Vars
- K(d);P-FLIGHT,P_SPINS(c)::R(A),XB(a)
- R(i);N_GUARD,XB(I)::S(H)
- B(b);OGATE,P_SPINS(c),XS(H)::QAR1(G),XS(c)
- S(c);OGATE,XS(F)::P(D),XS(c)
- R(i);N_GUARD::S(H),XR(i)
- R(i);N_GUARD::S(H)
- R(i);N_GUARD,P_PINB(C)::S(H)
- B(b);OGATE,P_SPINS(c)::QAR1(G),XS(c)
- S(c);N_SPINB(a),P_SPINB(b)::S(F)
- S(c);::S(F)
- S(f);N_GUARD::S(H),XS(f)
- S(f);N_GUARD::S(H)
- S(f);N_SPINB(a),SBLOCK::S(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).