MESON Chess Problem Database
Problem Display
PID: 224240 (8/8/q3p3/3pn2K/1R1Nrk1N/4n1p1/8/8 w - - 0 1)
Sardotsch, Nicolo
Charleston Sunday News, 1887
#2
4 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sxe6#
- 1...Qe2+
- 2.Sxe2#
- 1...Qd3
- 2.Sxe6#
- 1...Qc4
- 2.Sxe6#
- 1...Qb5
- 2.Sxe6#
- 1...Qb7
- 2.Se2#
- 2.Sxe6#
- 1...Qc8
- 2.Se2#
- 1...Qa1
- 2.Se2#
- 2.Sxe6#
- 1...Qa2
- 2.Sxe6#
- 1...Qa3
- 2.Se2#
- 2.Sxe6#
- 1...Qa4
- 2.Se2#
- 2.Sxe6#
- 1...Qa5
- 2.Se2#
- 2.Sxe6#
- 1...Qb6
- 2.Se2#
- 1...Qc6
- 2.Se2#
- 1...Qd6
- 2.Se2#
- 1...Qa7
- 2.Se2#
- 2.Sxe6#
- 1...Qa8
- 2.Se2#
- 2.Sxe6#
- 1...Rxd4
- 2.Rxd4#
- 1...Sd1
- 2.Sg2#
- 1...Sf1
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sg2
- 2.Sxg2#
- 1...S3c4
- 2.Sg2#
- 1...S3g4
- 2.Sg2#
- 1...Sf5
- 2.Sg2#
- 1...Sd3
- 2.Sg6#
- 1...Sf3
- 2.Sg6#
- 1...S5c4
- 2.Sg6#
- 1...S5g4
- 2.Sg6#
- 1...Sc6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...Sd7
- 2.Sg6#
- 1...Sf7
- 2.Sg6#
- 1...Qf1
- Tries
- 1.Ra4?
- 1...Qe2+
- 2.Sxe2#
- 1...Qxa4
- 2.Se2#
- 2.Sxe6#
- 1...Rxd4
- 2.Rxd4#
- 1...Sd1
- 2.Sg2#
- 1...Sf1
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sg2
- 2.Sxg2#
- 1...S3c4
- 2.Sg2#
- 1...S3g4
- 2.Sg2#
- 1...Sf5
- 2.Sg2#
- 1...Sd3
- 2.Sg6#
- 1...Sf3
- 2.Sg6#
- 1...S5c4
- 2.Sg6#
- 1...S5g4
- 2.Sg6#
- 1...Sc6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...Sd7
- 2.Sg6#
- 1...Sf7
- 2.Sg6#
- 1...Qf1
- 2.Sxe6#
- 1...Qd3
- 2.Sxe6#
- 1...Qc4
- 2.Sxe6#
- 1...Qb5
- 2.Sxe6#
- 1...Qb7
- 2.Se2#
- 2.Sxe6#
- 1...Qc8
- 2.Se2#
- 1...Qa5
- 2.Se2#
- 2.Sxe6#
- 1...Qb6
- 2.Se2#
- 1...Qc6
- 2.Se2#
- 1...Qd6
- 2.Se2#
- 1...Qa7
- 2.Se2#
- 2.Sxe6#
- 1...Qa8
- 2.Se2#
- 2.Sxe6#
- 1...g2!
- 1...Qe2+
- 1.Rb5?
- threat
- 2.Se2#
- 1...Qxb5
- 2.Sxe6#
- 1...Sd1
- 2.Sg2#
- 1...Sf1
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sg2
- 2.Sxg2#
- 1...S3c4
- 2.Sg2#
- 1...S3g4
- 2.Sg2#
- 1...Sf5
- 2.Sg2#
- 1...Sd3
- 2.Sg6#
- 1...Sf3
- 2.Sg6#
- 1...S5c4
- 2.Sg6#
- 1...S5g4
- 2.Sg6#
- 1...Sc6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...Sd7
- 2.Sg6#
- 1...Sf7
- 2.Sg6#
- 1...Qa2
- 2.Sxe6#
- 1...Rxd4!
- threat
- 1.Ra4?
- Keys
- 1.Rc4!
- threat
- 2.Se2#
- 1...Qxc4
- 2.Sxe6#
- 1...Rxd4
- 2.Rxd4#
- 1...S3xc4
- 2.Sg2#
- 1...S5xc4
- 2.Sg6#
- 1...Sd1
- 2.Sg2#
- 1...Sf1
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sg2
- 2.Sxg2#
- 1...S3g4
- 2.Sg2#
- 1...Sf5
- 2.Sg2#
- 1...Sd3
- 2.Sg6#
- 1...Sf3
- 2.Sg6#
- 1...S5g4
- 2.Sg6#
- 1...Sc6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...Sd7
- 2.Sg6#
- 1...Sf7
- 2.Sg6#
- 1...Qa2
- 2.Sxe6#
- threat
- 1.Rc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(g);N_GUARD::S(B),XP(h)
- Q(g);CHECK,N_GUARD::S(B),XQ(g)
- Q(g);N_GUARD::S(B)
- R(c);OGATE,P_SPINR(c),XS(B)::R(A),XR(c)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- Tries
- Try
- R(A);
- Vars
- Q(g);CHECK,N_GUARD::S(B),XQ(g)
- R(c);OGATE,P_SPINR(c),XS(B)::R(A),XR(c)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- Q(g);N_GUARD::S(B),XP(h)
- Q(g);N_GUARD::S(B)
- Refutation
- P(b);
- Try
- R(A);
- Threat
- S(B)
- Vars
- Q(g);N_GUARD,XR(A)::S(B),XP(h)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- Q(g);N_GUARD::S(B),XP(h)
- Refutation
- R(c);XS(B)
- Try
- Actual
- R(A);
- Threat
- S(B)
- Vars
- Q(g);N_GUARD,XR(A)::S(B),XP(h)
- R(c);OGATE,P_SPINR(c),XS(B)::R(A),XR(c)
- S(a);N_GUARD,XR(A)::S(C)
- S(f);N_GUARD,XR(A)::S(C)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- Q(g);N_GUARD::S(B),XP(h)
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).