MESON Chess Problem Database
Problem Display
PID: 138573 (k7/1pK2p2/1PP2p2/3b4/2p5/1Pp3n1/3p1QRn/6bR w - - 0 1)
Davis, Henry Hosey
HM., Norwich Mercury, 1902-1903
#2
7 + 11
| 13255 | Hoekstenen | 1967 |
SOLUTION
- SOUND
- Sets
- 1...Bxf2
- 2.Ra1#
- 1...Be6
- 2.cxb7#
- 1...Shf1
- 2.Rh8#
- 1...Sf3
- 2.Rh8#
- 1...Sg4
- 2.Rh8#
- 1...Sgf1
- 2.Rg8#
- 1...Sxh1
- 2.Rg8#
- 1...Se2
- 2.Rg8#
- 1...Se4
- 2.Rg8#
- 1...Sf5
- 2.Rg8#
- 1...Sh5
- 2.Rg8#
- 1...d1Q
- 2.Qa2#
- 1...d1S
- 2.Qa2#
- 1...d1B
- 2.Qa2#
- 1...d1R
- 2.Qa2#
- 1...bxc6
- 2.b7#
- 1...Bxf2
- Tries
- 1.Rgxg1?
- threat
- 2.Ra1#
- 1...d1Q
- 2.Qa2#
- 1...d1S
- 2.Qa2#
- 1...d1B
- 2.Qa2#
- 1...d1R
- 2.Qa2#
- 1...Shf1
- 2.Rh8#
- 1...Sgf1
- 2.Rg8#
- 1...Bxc6!
- threat
- 1.Rxg3?
- threat
- 2.Rg8#
- 1...Be6
- 2.cxb7#
- 1...Sg4
- 2.Rh8#
- 1...Bxc6!
- threat
- 1.Qxg1?
- threat
- 2.Qa1#
- 1...d1Q
- 2.Ra2#
- 1...d1S
- 2.Ra2#
- 1...d1B
- 2.Ra2#
- 1...d1R
- 2.Ra2#
- 1...Shf1
- 2.Rh8#
- 1...Sgf1
- 2.Rg8#
- 1...Bxc6!
- threat
- 1.Qc5?
- threat
- 2.Qa3#
- 2.Qf8#
- 2.Qa5#
- 1...Bxc6
- 2.Qa5#
- 1...Be6
- 2.Qa3#
- 2.Qa5#
- 2.cxb7#
- 1...Bxc5!
- threat
- 1.Qf5?
- threat
- 2.Qc8#
- 1...Sxf5
- 2.Rg8#
- 1...Be6
- 2.Qa5#
- 2.cxb7#
- 1...Bxb6+!
- threat
- 1.Qxf6?
- threat
- 2.Qd8#
- 2.Qh8#
- 1...Bxc6
- 2.Qd8#
- 1...Bd4
- 2.Ra1#
- 2.Qd8#
- 1...Bc5
- 2.Qd8#
- 1...Be6
- 2.cxb7#
- 1...Bxb6+!
- threat
- 1.Rgxg1?
- Keys
- 1.Qd4!
- 1...Bxd4
- 2.Ra1#
- 1...Bxg2
- 2.Qd8#
- 1...Bxc6
- 2.Qd8#
- 1...Sxh1
- 2.Rg8#
- 1...cxb3
- 2.Qa4#
- 1...bxc6
- 2.b7#
- 1...d1Q
- 2.Ra2#
- 1...d1S
- 2.Ra2#
- 1...d1B
- 2.Ra2#
- 1...d1R
- 2.Ra2#
- 1...Bf2
- 2.Ra1#
- 1...Be3
- 2.Ra1#
- 1...Bf3
- 2.Qd8#
- 1...Be4
- 2.Qd8#
- 1...Be6
- 2.cxb7#
- 1...Shf1
- 2.Rh8#
- 1...Sf3
- 2.Rh8#
- 1...Sg4
- 2.Rh8#
- 1...Sgf1
- 2.Rg8#
- 1...Se2
- 2.Rg8#
- 1...Se4
- 2.Rg8#
- 1...Sf5
- 2.Rg8#
- 1...Sh5
- 2.Rg8#
- 1...c2
- 2.Qa1#
- 1...f5
- 2.Qh8#
- 1...Bxd4
- 1.Qd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- B(a);OGATE,XQ(B)::R(A)
- B(g);N_GUARD::P(F),XP(i)
- S(c);OGATE::R(A)
- S(e);OGATE::R(C)
- S(e);OGATE,XR(A)::R(C)
- P(b);OGATE::QAR(B)
- P(i);OGATE,XP(F)::P(E)
- Tries
- Try
- R(C);XB(a)
- Threat
- R(C)
- Vars
- P(b);OGATE::QAR(B)
- S(c);OGATE::R(A)
- S(e);OGATE::R(C)
- Refutation
- B(g);XP(F)
- Try
- R(C);XS(e)
- Threat
- R(C)
- Vars
- B(g);N_GUARD::P(F),XP(i)
- S(c);OGATE::R(A)
- Refutation
- B(g);XP(F)
- Try
- Q(B);XB(a)
- Threat
- QAB(B)
- Vars
- P(b);OGATE::R(C)
- S(c);OGATE::R(A)
- S(e);OGATE::R(C)
- Refutation
- B(g);XP(F)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- B(g);XP(F)::QAR(B)
- Refutation
- B(a);XQ(B)
- Try
- Q(B);
- Threat
- QAR2(B)
- Vars
- S(e);OGATE,XQ(B)::R(C)
- Refutation
- B(a);CHECK,XP(E)
- Try
- Q(B);XP(h)
- Threat
- DUALS(2)
- Vars
- B(g);XP(F)::QAR(B)
- B(a);::QAR(B)
- B(g);N_GUARD::P(F),XP(i)
- Refutation
- B(a);CHECK,XP(E)
- Try
- Actual
- Q(B);
- Vars
- B(a);OGATE,XQ(B)::R(A)
- B(g);OGATE,XR(C)::QAR(B)
- B(g);OGATE,XP(F)::QAR(B)
- S(e);OGATE,XR(A)::R(C)
- P(f);OGATE,XP(D)::QAR(B)
- P(i);OGATE,XP(F)::P(E)
- P(b);OGATE::R(C)
- B(a);OGATE::R(A)
- B(g);OGATE::QAR(B)
- B(g);N_GUARD::P(F),XP(i)
- S(c);OGATE::R(A)
- S(e);OGATE::R(C)
- P(d);OGATE::QAB(B)
- P(h);OGATE::QAB1(B)
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).