MESON Chess Problem Database
Problem Display
PID: 48584 (8/4n3/1pQn4/1Rb3N1/K1Bk1Bb1/1P1Pp1P1/1P5r/N7 w - - 0 1)
Hogg, EG
British Chess Magazine, 1881
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sc2#
- 1...Rc2
- 2.Sxc2#
- 1...Rh3
- 2.Sc2#
- 1...Rh4
- 2.Sc2#
- 1...Rh5
- 2.Sc2#
- 1...Rh6
- 2.Sc2#
- 1...Rh7
- 2.Sc2#
- 1...Rh8
- 2.Sc2#
- 1...Bd1
- 2.Se6#
- 1...Be2
- 2.Sc2#
- 2.Se6#
- 1...Bf3
- 2.Sxf3#
- 2.Se6#
- 1...Bh3
- 2.Sf3#
- 1...Bf5
- 2.Sf3#
- 1...Bh5
- 2.Se6#
- 1...Be6
- 2.Sf3#
- 2.Sxe6#
- 1...Bd7
- 2.Sf3#
- 1...Bc8
- 2.Sf3#
- 1...Ba3
- 2.Be5#
- 1...Bb4
- 2.Be5#
- 1...Sxc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sxb5
- 2.Qe4#
- 2.Qf6#
- 1...Sdf5
- 2.Se6#
- 2.Qe4#
- 2.Qf6#
- 1...Sb7
- 2.Qe4#
- 2.Qf6#
- 1...Sf7
- 2.Qe4#
- 1...Sdc8
- 2.Qe4#
- 2.Qf6#
- 1...Se8
- 2.Qe4#
- 1...Sd5
- 2.Qxd5#
- 1...Sef5
- 2.Se6#
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sec8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...e2
- 2.Sc2#
- 1...Rh1
- Tries
- 1.Sf7?
- threat
- 2.Be5#
- 1...Sxc4
- 2.Qe4#
- 1...Sxf7
- 2.Qe4#
- 1...Rh5
- 2.Sc2#
- 1...Sg6
- 2.Qd5#
- 1...e2
- 2.Sc2#
- 1...Sxc6!
- threat
- 1.Qg2?
- threat
- 2.Sc2#
- 1...Sxc4
- 2.Qe4#
- 1...Bd1
- 2.Se6#
- 1...Rxg2!
- threat
- 1.Qxd6+?
- 1...Sd5
- 2.Be5#
- 2.Qe5#
- 2.Qxd5#
- 1...Bxd6!
- 1...Sd5
- 1.Sf7?
- Keys
- 1.Qh1!
- 1...Rxh1
- 2.Sc2#
- 1...Rxb2
- 2.Qh8#
- 1...Sxc4
- 2.Qe4#
- 1...Sxb5
- 2.Qe4#
- 1...Rc2
- 2.Sxc2#
- 2.Qh8#
- 1...Rd2
- 2.Qh8#
- 1...Re2
- 2.Qh8#
- 1...Rf2
- 2.Qh8#
- 1...Rg2
- 2.Qh8#
- 1...Rh3
- 2.Sc2#
- 1...Rh4
- 2.Sc2#
- 1...Rh5
- 2.Sc2#
- 1...Rh6
- 2.Sc2#
- 1...Rh7
- 2.Sc2#
- 1...Rh8
- 2.Sc2#
- 2.Qxh8#
- 1...Bd1
- 2.Se6#
- 1...Be2
- 2.Sc2#
- 2.Se6#
- 1...Bf3
- 2.Sxf3#
- 2.Se6#
- 1...Bh3
- 2.Sf3#
- 1...Bf5
- 2.Sf3#
- 1...Bh5
- 2.Se6#
- 1...Be6
- 2.Sf3#
- 2.Sxe6#
- 1...Bd7
- 2.Sf3#
- 1...Bc8
- 2.Sf3#
- 1...Ba3
- 2.Be5#
- 1...Bb4
- 2.Be5#
- 1...Se4
- 2.Qxe4#
- 1...Sdf5
- 2.Se6#
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sdc8
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sd5
- 2.Qxd5#
- 1...Sef5
- 2.Se6#
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sec8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...e2
- 2.Sc2#
- 1...Rxh1
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- B(d);N_GUARD,P_PINP(C)::S(J)
- B(d);N_GUARD::S(J)
- B(e);::B(H)
- S(g);N_GUARD,XB(G)::QAR1(K)
- S(g);N_GUARD::QAR1(K),XS(g)
- S(g);N_GUARD::QAR1(K)
- S(h);N_GUARD::QAR1(K),XS(h)
- S(h);N_GUARD::QAR1(K)
- P(b);S_CUTR(a)::S(A)
- Tries
- Try
- S(J);
- Threat
- B(H)
- Vars
- S(g);N_GUARD,XB(G)::QAR1(K)
- S(g);N_GUARD,XS(J)::QAR1(K)
- R(a);N_GUARD::S(A)
- S(h);N_GUARD::QAR1(K)
- P(b);S_CUTR(a)::S(A)
- Refutation
- S(h);XQ(K)
- Try
- Q(K);
- Threat
- S(A)
- Vars
- S(g);N_GUARD,XB(G)::QAR1(K)
- B(d);N_GUARD,P_PINP(C)::S(J)
- Refutation
- R(a);XQ(K)
- Try
- Q(K);CHECK,XS(g)
- Refutation
- B(e);XQ(K)
- Try
- Actual
- Q(K);
- Vars
- R(a);N_GUARD,XQ(K)::S(A)
- R(a);OGATE,XP(B)::QAB(K)
- S(g);N_GUARD,XB(G)::QAR1(K)
- S(g);N_GUARD,XR(I)::QAR1(K)
- R(a);OGATE::QAB(K)
- R(a);N_GUARD::S(A)
- B(d);N_GUARD,P_PINP(C)::S(J)
- B(d);N_GUARD::S(J)
- B(d);N_GUARD,P_PINR(I)::S(J)
- B(e);::B(H)
- S(g);N_GUARD::QAR1(K),XS(g)
- S(g);N_GUARD::QAR1(K)
- S(h);N_GUARD::QAR1(K),XS(h)
- S(h);N_GUARD::QAR1(K)
- P(b);S_CUTR(a)::S(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).