MESON Chess Problem Database
Problem Display
PID: 224260 (4N3/p2B1p1P/Pb2pP2/2p1k2r/2R5/4P3/K4nQ1/8 w - - 0 1)
Cortazzi, E
La Strategie, 1887
#2
9 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qg5#
- 1...Rh2
- 2.Qg5#
- 1...Rh3
- 2.Qg5#
- 1...Rh4
- 2.Qg5#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Rxh7
- 2.Qg5#
- 1...Ba5
- 2.Rxc5#
- 1...Bc7
- 2.Rxc5#
- 1...Bd8
- 2.Rxc5#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Rh1
- Tries
- 1.h8Q?
- threat
- 2.Qxh5#
- 1...Kf5
- 2.Qxh5#
- 1...Rxh8
- 2.Qg5#
- 1...Se4
- 2.Qxe4#
- 1...Rh1
- 2.Qg5#
- 1...Rh2
- 2.Qg5#
- 1...Rh3
- 2.Qg5#
- 1...Rh4
- 2.Qg5#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Rh7
- 2.Qg5#
- 1...Sh3
- 2.Qe4#
- 1...Rf5!
- threat
- 1.h8R?
- threat
- 2.Rxh5#
- 1...Kf5
- 2.Rxh5#
- 1...Rxh8
- 2.Qg5#
- 1...Se4
- 2.Qxe4#
- 1...Rh1
- 2.Qg5#
- 1...Rh2
- 2.Qg5#
- 1...Rh3
- 2.Qg5#
- 1...Rh4
- 2.Qg5#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Rh7
- 2.Qg5#
- 1...Sh3
- 2.Qe4#
- 1...Rf5!
- threat
- 1.h8Q?
- Keys
- 1.h8S!
- 1...Kf5
- 2.Qd5#
- 1...Rxh8
- 2.Qg5#
- 1...Se4
- 2.Qxe4#
- 1...Rf5
- 2.Sxf7#
- 1...Rh1
- 2.Qg5#
- 1...Rh2
- 2.Qg5#
- 1...Rh3
- 2.Qg5#
- 1...Rh4
- 2.Qg5#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Rh7
- 2.Qg5#
- 1...Ba5
- 2.Rxc5#
- 1...Bc7
- 2.Rxc5#
- 1...Bd8
- 2.Rxc5#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Sg4
- 2.Qe4#
- 1...Kf5
- 1.h8S!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::QAR2(B)
- R(d);N_GUARD::QAR2(B),XR(d)
- R(d);N_GUARD,XP(H)::QAR2(B)
- B(e);N_GUARD::R(D),XP(b)
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- Tries
- Try
- P(H);
- Threat
- QAR(H),XR(d)
- Vars
- K(c);P-FLIGHT,P_SPINP(f)::QAR2(H),XR(d)
- R(d);N_GUARD,XQ(H)::QAR2(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- R(d);N_GUARD::QAR2(B)
- R(d);N_GUARD::QAR2(B),XR(d)
- S(a);N_GUARD::QAR1(B)
- Refutation
- R(d);
- Try
- P(H);
- Threat
- R(H),XR(d)
- Vars
- K(c);P-FLIGHT,P_SPINP(f)::R(H),XR(d)
- R(d);N_GUARD,XR(H)::QAR2(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- R(d);N_GUARD::QAR2(B)
- R(d);N_GUARD::QAR2(B),XR(d)
- S(a);N_GUARD::QAR1(B)
- Refutation
- R(d);
- Try
- Actual
- P(H);
- Vars
- K(c);P-FLIGHT,P_SPINP(f)::QAR2(B)
- R(d);N_GUARD,XS(H)::QAR2(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- R(d);SBLOCK::S(H),XP(h)
- R(d);N_GUARD::QAR2(B)
- R(d);N_GUARD::QAR2(B),XR(d)
- B(e);N_GUARD::R(D),XP(b)
- S(a);N_GUARD::QAR1(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).