MESON Chess Problem Database
Problem Display
PID: 21707 (8/3K4/2RnQ3/8/N1Pp4/p1Nk4/R7/5b2 w - - 0 1)
Bonner Feast, Frederick
Hampshire Post, 1920
#2
7 + 5
| 5501 | Chess Cameos | 1936 |
SOLUTION
- SOUND
- Sets
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Bh3
- 2.Qxh3#
- 1...Sxc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Sf5
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sc8
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...dxc3
- 2.Rxd6#
- 1...Be2
- Tries
- 1.Kxd6?
- threat
- 2.Qe4#
- 1...Bg2
- 2.Qe2#
- 1...dxc3!
- threat
- 1.Sb1?
- threat
- 2.Sc5#
- 2.Rd2#
- 1...Sxc4
- 2.Sc5#
- 1...Sb7
- 2.Rd2#
- 1...Se4!
- threat
- 1.Sd1?
- threat
- 2.Sf2#
- 2.Sc5#
- 1...Sb7
- 2.Sf2#
- 2.Qf5#
- 2.Qg6#
- 1...Se4!
- threat
- 1.Se2?
- threat
- 2.Sc1#
- 2.Sf4#
- 2.Sc5#
- 1...Bxe2
- 2.Qxe2#
- 1...Sb7
- 2.Sc1#
- 2.Sf4#
- 1...Se4!
- threat
- 1.Rf2?
- 1...Sxc4
- 2.Qe4#
- 1...dxc3
- 2.Rxd6#
- 1...Be2
- 2.Qxe2#
- 1...Se4
- 2.Qxe4#
- 1...Bg2
- 2.Qe2#
- 1...Bh3
- 2.Qxh3#
- 1...Sb5
- 2.Qe4#
- 1...Sf5
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sc8
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...a2!
- 1...Sxc4
- 1.Rh2?
- 1...Sxc4
- 2.Qe4#
- 1...dxc3
- 2.Rxd6#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Se4
- 2.Qxe4#
- 1...Bh3
- 2.Qxh3#
- 1...Sb5
- 2.Qe4#
- 1...Sf5
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sc8
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...a2!
- 1...Sxc4
- 1.Rc5?
- 1...Sxc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Bh3
- 2.Qxh3#
- 1...Sb5
- 2.Qe4#
- 1...Sf5
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sc8
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...dxc3!
- 1...Sxc4
- 1.Rxd6?
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Bh3!
- 1...Be2
- 1.Rc7?
- 1...Sxc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Bh3
- 2.Qxh3#
- 1...Sb5
- 2.Qe4#
- 1...Sf5
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sc8
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...dxc3!
- 1...Sxc4
- 1.Qg4?
- threat
- 2.Qf3#
- 2.Qg3#
- 1...Ke3
- 2.Qg3#
- 1...Sxc4
- 2.Qe4#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Bh3
- 2.Qxh3#
- 1...Se4
- 2.Qf3#
- 2.Qxe4#
- 1...Sf5
- 2.Qe4#
- 1...dxc3!
- threat
- 1.Qf5+?
- 1...Ke3
- 2.Sd1#
- 2.Sd5#
- 1...Se4
- 2.Qxe4#
- 2.Qf3#
- 1...Sxf5!
- 1...Ke3
- 1.Qg6+?
- 1...Ke3
- 2.Qg3#
- 1...Se4
- 2.Qxe4#
- 1...Sf5!
- 1...Ke3
- 1.Kxd6?
- Keys
- 1.Rg2!
- threat
- 2.Qh3#
- 1...Bxg2
- 2.Qe2#
- 1...Sxc4
- 2.Qe4#
- 1...dxc3
- 2.Rxd6#
- 1...Be2
- 2.Qxe2#
- 1...Se4
- 2.Qxe4#
- 1...Sf5
- 2.Qe4#
- threat
- 1.Rg2!
This is a version
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- B(a);N_GUARD::QAB1(F),XB(a)
- B(a);N_GUARD::QAB1(F)
- B(a);N_GUARD,P_PINQ(F)::QAR(F),XB(a)
- S(e);N_GUARD,XP(D)::QAB1(F)
- S(e);N_GUARD::QAB1(F),XS(e)
- S(e);N_GUARD::QAB1(F)
- P(d);OGATEB,XS(B)::R(E),XS(e)
- Tries
- Try
- K(G);P-FLIGHT,XS(e)
- Threat
- QAB1(F)
- Vars
- B(a);N_GUARD::QAB1(F)
- Refutation
- P(d);XS(B)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(e);XP(D)::S(C)
- S(e);::R1(A)
- Refutation
- S(e);
- Try
- S(B);
- Threat
- DUALS(2)
- Refutation
- S(e);
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- B(a);OGATE,XS(B)::QAB1(F),XB(a)
- Refutation
- S(e);
- Try
- R(A);
- Vars
- S(e);N_GUARD,XP(D)::QAB1(F)
- P(d);OGATEB,XS(B)::R(E),XS(e)
- B(a);N_GUARD::QAB1(F),XB(a)
- S(e);N_GUARD::QAB1(F),XS(e)
- B(a);N_GUARD::QAB1(F)
- B(a);N_GUARD,P_PINQ(F)::QAR(F),XB(a)
- S(e);N_GUARD::QAB1(F)
- Refutation
- P(b);
- Try
- R(A);
- Vars
- S(e);N_GUARD,XP(D)::QAB1(F)
- P(d);OGATEB,XS(B)::R(E),XS(e)
- B(a);N_GUARD::QAB1(F),XB(a)
- B(a);N_GUARD::QAB1(F)
- S(e);N_GUARD::QAB1(F),XS(e)
- B(a);N_GUARD,P_PINQ(F)::QAR(F),XB(a)
- S(e);N_GUARD::QAB1(F)
- Refutation
- P(b);
- Try
- R(E);
- Vars
- S(e);N_GUARD,XP(D)::QAB1(F)
- S(e);N_GUARD::QAB1(F),XS(e)
- B(a);N_GUARD::QAB1(F),XB(a)
- B(a);N_GUARD::QAB1(F)
- B(a);N_GUARD,P_PINQ(F)::QAR(F),XB(a)
- S(e);N_GUARD::QAB1(F)
- Refutation
- P(d);XS(B)
- Try
- R(E);P_PINP(d),XS(e)
- Vars
- B(a);N_GUARD::QAB1(F),XB(a)
- B(a);N_GUARD::QAB1(F)
- Refutation
- B(a);P_PINQ(F)
- Try
- R(E);
- Vars
- S(e);N_GUARD,XP(D)::QAB1(F)
- S(e);N_GUARD::QAB1(F),XS(e)
- B(a);N_GUARD::QAB1(F),XB(a)
- B(a);N_GUARD::QAB1(F)
- B(a);N_GUARD,P_PINQ(F)::QAR(F),XB(a)
- S(e);N_GUARD::QAB1(F)
- Refutation
- P(d);XS(B)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT::QAR2(F)
- S(e);N_GUARD,XP(D)::QAB1(F)
- B(a);N_GUARD::QAB1(F),XB(a)
- B(a);N_GUARD::QAB1(F)
- B(a);N_GUARD,P_PINQ(F)::QAR(F),XB(a)
- S(e);N_GUARD::QAB1(F)
- Refutation
- P(d);XS(B)
- Try
- Q(F);CHECK
- Refutation
- S(e);XQ(F)
- Try
- Q(F);CHECK
- Vars
- K(c);P-FLIGHT::QAR2(F)
- S(e);N_GUARD,P_SPINS(e)::QAB1(F),XS(e)
- Refutation
- S(e);P_SPINS(e)
- Try
- Actual
- R(A);
- Threat
- QAR(F)
- Vars
- B(a);N_GUARD,XR(A)::QAB1(F)
- S(e);N_GUARD,XP(D)::QAB1(F)
- P(d);OGATEB,XS(B)::R(E),XS(e)
- B(a);N_GUARD::QAB1(F),XB(a)
- S(e);N_GUARD::QAB1(F),XS(e)
- S(e);N_GUARD::QAB1(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).