MESON Chess Problem Database
Problem Display
PID: 265158 (2N5/1pN4K/1rP3Q1/p1kP4/3p4/PP6/2q5/1bR1nB2 w - - 0 1)
Brogi, Giuseppe
2nd Prize, Het Belgisch Schaakbord (L'Echiquier Belge), 1960
#2
10 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qc4
- 2.Rxc4#
- 1...Sd3
- 2.Qd6#
- 1...d3
- 2.Qg1#
- 1...Qc4
- Tries
- 1.Kg7?
- threat
- 2.Qd6#
- 1...d3
- 2.Qg1#
- 1...Rxc6!
- threat
- 1.Kg8?
- threat
- 2.Qd6#
- 1...d3
- 2.Qg1#
- 1...Rxc6!
- threat
- 1.Kh8?
- threat
- 2.Qd6#
- 1...d3
- 2.Qg1#
- 1...Rxc6!
- threat
- 1.Rxc2+?
- 1...Sxc2
- 2.Qd6#
- 1...Bxc2!
- 1...Sxc2
- 1.Qe4?
- threat
- 2.Se6#
- 1...Qc4
- 2.Rxc4#
- 1...Sd3
- 2.Qe7#
- 1...d3
- 2.Qe3#
- 1...Rxc6!
- threat
- 1.Kg7?
- Keys
- 1.Qf5!
- threat
- 2.Se6#
- 1...Rxc6
- 2.d6#
- 1...d3
- 2.Qf2#
- 1...Qc4
- 2.Rxc4#
- 1...Sd3
- 2.Qf8#
- threat
- 1.Qf5!
Anticipated by 18353(1955)
This anticipates 239999(1982)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(c);OGATE::R1(A),XQ(c)
- S(b);N_PINQ(G)::QAB1(G)
- P(d);N_PINQ(G)::QAB(G)
- Tries
- Try
- K(I);N_SPINQ(G),P-FLIGHT
- Threat
- QAB1(G)
- Vars
- P(d);OGATEB::QAB(G)
- Refutation
- R(g);XP(F)
- Try
- K(I);N_SPINQ(G),S_FLIGHT
- Threat
- QAB1(G)
- Vars
- P(d);OGATEB::QAB(G)
- Refutation
- R(g);XP(F)
- Try
- K(I);N_SPINQ(G),P-FLIGHT
- Threat
- QAB1(G)
- Vars
- P(d);OGATEB::QAB(G)
- Refutation
- R(g);XP(F)
- Try
- R(A);CHECK,N_SPINQ(G),XQ(c)
- Vars
- S(b);XR(A)::QAB1(G)
- Refutation
- B(a);P_PINQ(G),XR(A)
- Try
- Q(G);
- Threat
- S(H)
- Vars
- Q(c);OGATE::R1(A),XQ(c)
- S(b);N_PINQ(G)::QAB(G)
- P(d);N_PINQ(G)::QAB(G)
- Refutation
- R(g);XP(F)
- Try
- Actual
- Q(G);
- Threat
- S(H)
- Vars
- R(g);SBLOCK,XP(F)::QAR(G)+P(E)
- P(d);N_PINQ(G)::QAB(G)
- Q(c);OGATE::R1(A),XQ(c)
- S(b);N_PINQ(G)::QAB(G)
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).