MESON Chess Problem Database
Problem Display
PID: 194939 (3n4/N7/BK2R3/3p1P2/3k4/4N1rb/5P1Q/b1Rr2B1 w - - 0 1)
Stubbs, Arthur Goodwin
L'Italia Scacchistica, 1918
#2
10 + 7
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Sb5#
- 1...Rxg1
- 2.Qf4#
- 2.Qe5#
- 1...Rg2
- 2.Qf4#
- 2.Qe5#
- 1...Rxe3
- 2.fxe3#
- 1...Rf3
- 2.Qe5#
- 1...Rg4
- 2.Qe5#
- 1...Rg5
- 2.Qf4#
- 2.Qe5#
- 1...Rg6
- 2.Qf4#
- 2.Qe5#
- 1...Rg7
- 2.Qf4#
- 2.Qe5#
- 1...Rg8
- 2.Qf4#
- 2.Qe5#
- 1...Bc3
- 2.Sc2#
- 1...Bg4
- 2.Qh8#
- 1...Bxf5
- 2.Sxf5#
- 1...Sc6
- 2.Sxc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Rd3
- Tries
- 1.Qxg3?
- threat
- 2.Sc2#
- 2.Qf4#
- 2.Qe5#
- 2.Qg7#
- 1...Rxc1
- 2.Qe5#
- 2.Qg7#
- 1...Rxg1
- 2.Sc2#
- 2.Qf4#
- 2.Qe5#
- 1...Bxf5
- 2.Sxf5#
- 2.Qe5#
- 2.Qg7#
- 1...Rd2
- 2.Qf4#
- 2.Qe5#
- 2.Qg7#
- 1...Rd3
- 2.Sb5#
- 2.Qf4#
- 2.Qe5#
- 2.Qg7#
- 1...Bg2
- 2.Sc2#
- 2.Qe5#
- 2.Qg7#
- 1...Bg4
- 2.Sc2#
- 2.Qf4#
- 2.Qe5#
- 2.Qxg4#
- 1...Sc6
- 2.Sc2#
- 2.Sxc6#
- 2.Qf4#
- 1...Sf7
- 2.Sc2#
- 2.Sc6#
- 2.Qf4#
- 1...Sxe6!
- threat
- 1.fxg3?
- threat
- 2.Sxd1#
- 2.Sf1#
- 1...Rxc1
- 2.Sd1#
- 2.Qd2#
- 1...Rxg1
- 2.Qd2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Sxf1#
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Sb5#
- 1...Bf1
- 2.Sxd1#
- 2.Sxf1#
- 2.Sg2#
- 2.Sg4#
- 2.Qh4#
- 2.Qh8#
- 1...Sxe6!
- threat
- 1.Qxg3?
- Keys
- 1.f3!
- 1...Rxc1
- 2.Qd2#
- 1...Rdxg1
- 2.Qd2#
- 1...Rgxg1
- 2.Qf4#
- 2.Qe5#
- 1...Rxf3
- 2.Qe5#
- 1...Bxf5
- 2.Sxf5#
- 1...Sxe6
- 2.Sc6#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Sb5#
- 1...Rg2
- 2.Qf4#
- 2.Qe5#
- 1...Rg4
- 2.Qe5#
- 1...Rg5
- 2.Qf4#
- 2.Qe5#
- 1...Rg6
- 2.Qf4#
- 2.Qe5#
- 1...Rg7
- 2.Qf4#
- 2.Qe5#
- 1...Rg8
- 2.Qf4#
- 2.Qe5#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Sc2#
- 1...Bf1
- 2.Sg2#
- 1...Bg2
- 2.Sxd1#
- 2.Sf1#
- 1...Bg4
- 2.Qh8#
- 1...Sc6
- 2.Sxc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Rxc1
- 1.f3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 1
- Sets
- R(b);SBLOCK::S(J)
- R(c);OGATE,XS(E)::P(C),XR(c)
- R(c);OGATE::QAB1(D)
- B(a);SBLOCK::S(E)
- B(d);OGATE::QAB(D)
- B(d);XP(F)::S(E),XB(d)
- S(g);N_GUARD::S(J),XS(g)
- S(g);N_GUARD::S(J)
- Tries
- Try
- Q(D);XR(c)
- Threat
- DUALS(4)
- Refutation
- S(g);XR(I)
- Try
- P(C);XR(c)
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XB(B)::QAR2(D)
- R(b);N_GUARD::QAR2(D)
- R(b);N_GUARD::QAR2(D),XR(b)
- R(b);SBLOCK::S(J)
- Refutation
- S(g);XR(I)
- Try
- Actual
- P(C);
- Vars
- R(b);N_GUARD,XR(A)::QAR2(D)
- R(b);N_GUARD,XB(B)::QAR2(D)
- R(c);OGATE,XP(C)::QAB1(D)
- B(d);XP(F)::B(B)+S(E),DCHECK,XB(d)
- S(g);N_GUARD,XR(I)::S(J)
- R(b);N_GUARD::QAR2(D)
- R(b);N_GUARD::QAR2(D),XR(b)
- R(b);SBLOCK::S(J)
- R(c);OGATE::QAB1(D)
- B(a);N_GUARD::QAB(D),XB(a)
- B(a);SBLOCK::B(B)+S(E),DCHECK
- B(d);S_CUTR(b)::B(B)+S(E)
- B(d);OGATE::QAB(D)
- S(g);N_GUARD::S(J),XS(g)
- S(g);N_GUARD::S(J)
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).