MESON Chess Problem Database
Problem Display
PID: 173991 (3B3q/5Bp1/8/rn2Nk1N/2p4R/2r5/1n2R1K1/2b5 w - - 0 1)
Bottacchi, Antonio
L'Illustrazione Italiana, 1917
#2
7 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qe8
- 2.Sxg7#
- 1...Rc2
- 2.Sg3#
- 1...Rg3+
- 2.Sxg3#
- 1...Bf4
- 2.Rxf4#
- 1...Sd3
- 2.Sg3#
- 1...Qe8
- Tries
- 1.Sd3?
- threat
- 2.Sg3#
- 2.Re5#
- 1...Qxh5
- 2.Re5#
- 1...Qxd8
- 2.Re5#
- 1...Sxd3
- 2.Sg3#
- 1...cxd3
- 2.Sg3#
- 1...Qe8
- 2.Sg3#
- 2.Sxg7#
- 1...Rc2
- 2.Sg3#
- 1...Be3
- 2.Sg3#
- 1...Bf4
- 2.Rxf4#
- 1...Sa3
- 2.Sg3#
- 1...Sd4
- 2.Sg3#
- 1...Sd6
- 2.Sg3#
- 1...Sa7
- 2.Sg3#
- 1...Sc7
- 2.Sg3#
- 1...g5
- 2.Sg3#
- 1...g6
- 2.Sg3#
- 2.Be6#
- 1...Rxd3!
- threat
- 1.Sf3?
- threat
- 2.Sg3#
- 2.Re5#
- 1...Qxh5
- 2.Re5#
- 1...Qxd8
- 2.Re5#
- 1...Qe8
- 2.Sg3#
- 2.Sxg7#
- 1...Rc2
- 2.Sg3#
- 1...Re3
- 2.Sg3#
- 2.Rf4#
- 1...Be3
- 2.Sg3#
- 1...Bf4
- 2.Rxf4#
- 1...Sd3
- 2.Sg3#
- 1...Sa3
- 2.Sd4#
- 2.Sg3#
- 1...Sd4
- 2.Sxd4#
- 2.Sg3#
- 1...Sd6
- 2.Sd4#
- 2.Sg3#
- 1...Sa7
- 2.Sd4#
- 2.Sg3#
- 1...Sc7
- 2.Sd4#
- 2.Sg3#
- 1...g5
- 2.Sg3#
- 1...g6
- 2.Sg3#
- 2.Be6#
- 1...Rxf3!
- threat
- 1.Sd3?
- Keys
- 1.Sc6!
- threat
- 2.Re5#
- 1...Rg3+
- 2.Sxg3#
- 1...Qe8
- 2.Sxg7#
- 1...Rc2
- 2.Sg3#
- 1...Re3
- 2.Rf4#
- 1...Be3
- 2.Sg3#
- 1...Bf4
- 2.Rxf4#
- 1...Sd3
- 2.Sg3#
- 1...Sa3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...g5
- 2.Se7#
- 1...g6
- 2.Be6#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- Q(i);N_GUARD::S(E),XP(h)
- R(c);N_GUARD,P_PINR(A)::S(E)
- R(c);CHECK,N_GUARD::S(E),XR(c)
- B(a);N_GUARD::R1(C),XB(a)
- S(b);S_CUTR(c)::S(E)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(i);XS(E)::R1(A)
- Q(i);XB(G)::R1(A)
- S(b);XS(D)::S(E)
- P(d);XS(D)::S(E)
- R(c);P_PINR(A)::S(E)
- B(a);::S(E)
- B(a);N_GUARD::R1(C),XB(a)
- S(f);::S(E)
- P(h);::S(E)
- Refutation
- R(c);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(i);XS(E)::R1(A)
- Q(i);XB(G)::R1(A)
- R(c);P_PINR(A)::S(E)
- B(a);::S(E)
- B(a);N_GUARD::R1(C),XB(a)
- S(b);::S(E)
- P(h);::S(E)
- Refutation
- R(c);XS(D)
- Try
- Actual
- S(D);
- Threat
- R1(A)
- Vars
- R(c);CHECK,N_GUARD::S(E),XR(c)
- Q(i);N_GUARD::S(E),XP(h)
- R(c);N_GUARD,P_PINR(A)::S(E)
- R(c);S_CUTB(a)::R1(C)
- B(a);S_CUTR(c)::S(E)
- B(a);N_GUARD::R1(C),XB(a)
- S(b);S_CUTR(c)::S(E)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(h);SBLOCK::S(D)
- P(h);SBLOCK::B(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).