MESON Chess Problem Database
Problem Display
PID: 147666 (3Q4/1pPb3r/5p2/2PNkp2/R4N1b/K4pP1/3Pq3/4R3 w - - 0 1)
Foschini, Ettore
Swiat Szachowy, 1929
#2
10 + 9
| 35 | L'Italia Scacchistica | 1930 |
| 14868 | Pirnie Collection | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qe3+
- 2.Rxe3#
- 1...Qe4
- 2.d4#
- 1...Bxg3
- 2.Qxf6#
- 1...Bb5
- 2.Qd6#
- 1...Bc6
- 2.Qd6#
- 1...Be6
- 2.Sd3#
- 2.Sg6#
- 2.Qd6#
- 1...Bc8
- 2.Qd6#
- 1...Be8
- 2.Qd6#
- 1...f2
- 2.Rxe2#
- 1...Qe3+
- Tries
- 1.Qe7+?
- 1...Be6
- 2.Qd6#
- 2.Qxe6#
- 1...Rxe7!
- 1...Be6
- 1.Qxd7?
- threat
- 2.Sd3#
- 2.Sg6#
- 2.Qe6#
- 2.Qd6#
- 1...Qe3+
- 2.Sd3#
- 2.Rxe3#
- 1...Rh6
- 2.Sd3#
- 2.Qe6#
- 2.Qe8#
- 2.Qd6#
- 2.Qe7#
- 1...Re7
- 2.Sd3#
- 2.Sg6#
- 2.Qd6#
- 2.Qxe7#
- 1...Rg7
- 2.Sd3#
- 2.Qe6#
- 2.Qd6#
- 1...Rxd7!
- threat
- 1.c8Q?
- threat
- 2.Qdc7#
- 2.Qcc7#
- 2.Qb8#
- 1...Qe3+
- 2.Rxe3#
- 1...Bxc8
- 2.Qd6#
- 1...Bb5
- 2.Sg6#
- 2.Qe6#
- 2.Qd6#
- 1...Bc6
- 2.Sd3#
- 2.Sg6#
- 2.Qe6#
- 2.Qd6#
- 1...Be6
- 2.Sd3#
- 2.Sg6#
- 2.Qxe6#
- 2.Qd6#
- 1...Be8
- 2.Sd3#
- 2.Qe6#
- 2.Qd6#
- 1...Bxa4!
- threat
- 1.c8S?
- threat
- 2.Qc7#
- 1...Qe3+
- 2.Rxe3#
- 1...Bxc8
- 2.Qd6#
- 1...Bb5
- 2.Qd6#
- 1...Bc6
- 2.Qd6#
- 1...Be6
- 2.Sd3#
- 2.Sg6#
- 2.Qd6#
- 1...Be8
- 2.Qd6#
- 1...Bxa4!
- threat
- 1.c8B?
- threat
- 2.Qc7#
- 1...Qe3+
- 2.Rxe3#
- 1...Bxc8
- 2.Qd6#
- 1...Bb5
- 2.Sg6#
- 2.Qd6#
- 1...Bc6
- 2.Sd3#
- 2.Sg6#
- 2.Qd6#
- 1...Be6
- 2.Sd3#
- 2.Sg6#
- 2.Qd6#
- 1...Be8
- 2.Sd3#
- 2.Qd6#
- 1...Bxa4!
- threat
- 1.c8R?
- threat
- 2.Qc7#
- 1...Qe3+
- 2.Rxe3#
- 1...Bxc8
- 2.Qd6#
- 1...Bb5
- 2.Qd6#
- 1...Bc6
- 2.Qd6#
- 1...Be6
- 2.Sd3#
- 2.Sg6#
- 2.Qd6#
- 1...Be8
- 2.Qd6#
- 1...Bxa4!
- threat
- 1.Qe7+?
- Keys
- 1.Sb4!
- threat
- 2.Sbd3#
- 1...Kd4
- 2.Sbd3#
- 1...Ke4
- 2.Sc6#
- 1...Bxa4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- Q(a);CHECK,OGATE::R(A),XQ(a)
- Q(a);::P(B)
- B(c);N_GUARD,XP(D)::QAB1(J),XP(f)
- B(h);OGATE::QAB1(J)
- P(b);N_GUARD::R(A),XQ(a)
- Tries
- Try
- Q(J);CHECK
- Refutation
- R(i);XQ(J)
- Try
- Q(J);XB(h)
- Threat
- DUALS(4)
- Refutation
- R(i);XQ(J)
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK,OGATE::R(A),XQ(a)
- B(h);OGATE,XQ(I)::QAB1(J)
- Refutation
- B(h);XR(E)
- Try
- P(I);
- Threat
- QAB(J)
- Vars
- Q(a);CHECK,OGATE::R(A),XQ(a)
- B(h);OGATE,XS(I)::QAB1(J)
- B(h);OGATE::QAB1(J)
- Refutation
- B(h);XR(E)
- Try
- P(I);
- Threat
- QAB(J)
- Vars
- Q(a);CHECK,OGATE::R(A),XQ(a)
- B(h);OGATE,XB(I)::QAB1(J)
- Refutation
- B(h);XR(E)
- Try
- P(I);
- Threat
- QAB(J)
- Vars
- Q(a);CHECK,OGATE::R(A),XQ(a)
- B(h);OGATE,XR(I)::QAB1(J)
- B(h);OGATE::QAB1(J)
- Refutation
- B(h);XR(E)
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- K(d);N_SPINQ(a),P_SPINB(h),S_FLIGHT::R(E)+S(H)
- K(d);P-FLIGHT::R(E)+S(H)
- B(h);OGATE,XR(E)::QAR1(J)
- B(h);OGATE::QAR1(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).