MESON Chess Problem Database
Problem Display
PID: 104310 (5B2/5r2/b3N2Q/R2Pk3/6Pb/n1P5/3N1p1q/2KR4 w - - 0 1)
Chicco, Adriano
2nd Prize, Wiadomoscy Szachowy, 1936
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Qe3#
- 1...Bf6
- 2.Qe3#
- 2.Qxh2#
- 1...Rf6
- Tries
- 1.Sd4?
- threat
- 2.Sc6#
- 2.Bd6#
- 2.Qd6#
- 1...Rxf8
- 2.Sc6#
- 1...Bg5
- 2.Bd6#
- 2.Qd6#
- 1...Bb5
- 2.Qd6#
- 1...Rf6
- 2.Qe3#
- 1...Rc7
- 2.S4f3#
- 2.Bd6#
- 2.Qd6#
- 1...Rd7
- 2.S4f3#
- 2.Sc6#
- 1...Re7
- 2.S4f3#
- 2.Sc6#
- 1...Bf6
- 2.S4f3#
- 2.Sc6#
- 2.Qe3#
- 2.Qxh2#
- 1...Be7
- 2.Sc6#
- 1...Bb7
- 2.Bd6#
- 2.Qd6#
- 1...Sc4
- 2.Sc6#
- 1...Sb5!
- threat
- 1.Sd8?
- threat
- 2.Sc6#
- 2.Sxf7#
- 2.Bd6#
- 2.Qd6#
- 1...Rxf8
- 2.Sc6#
- 1...Bxd8
- 2.Bd6#
- 2.Qd6#
- 1...Bg5
- 2.Bd6#
- 2.Qd6#
- 1...Bb5
- 2.Qd6#
- 1...f1Q
- 2.Sc6#
- 2.Bd6#
- 2.Qd6#
- 1...f1R
- 2.Sc6#
- 2.Bd6#
- 2.Qd6#
- 1...Qf4
- 2.Sc6#
- 2.Bd6#
- 2.Qd6#
- 2.Qe6#
- 1...Rf3
- 2.Sc6#
- 2.Bd6#
- 2.Qd6#
- 1...Rf4
- 2.Sc6#
- 2.Bd6#
- 2.Qd6#
- 2.Qe6#
- 1...Rf5
- 2.Sc6#
- 2.Bd6#
- 2.Qd6#
- 1...Rf6
- 2.Qe3#
- 1...Ra7
- 2.Sc6#
- 2.Bd6#
- 2.Qd6#
- 1...Rb7
- 2.Sc6#
- 2.Bd6#
- 2.Qd6#
- 1...Rc7
- 2.Bd6#
- 2.Qd6#
- 1...Rd7
- 2.Sc6#
- 1...Re7
- 2.Sc6#
- 1...Rg7
- 2.Sc6#
- 2.Bd6#
- 2.Qd6#
- 1...Rh7
- 2.Sc6#
- 2.Bd6#
- 2.Qd6#
- 1...Bf6
- 2.Sc6#
- 2.Sxf7#
- 2.Qe3#
- 2.Qxh2#
- 1...Be7
- 2.Sc6#
- 2.Sxf7#
- 1...Bb7
- 2.Sxf7#
- 2.Bd6#
- 2.Qd6#
- 1...Sc4
- 2.Sc6#
- 2.Sxf7#
- 1...Sb5!
- threat
- 1.Qg5+?
- 1...Rf5
- 2.Qxf5#
- 1...Bxg5!
- 1...Rf5
- 1.Qh5+?
- 1...Kf6
- 2.Se4#
- 2.Qf5#
- 1...Rf5
- 2.Qxf5#
- 1...Bg5!
- 1...Kf6
- 1.Sd4?
- Keys
- 1.Sc5!
- threat
- 2.Qd6#
- 1...Kxd5
- 2.Qe6#
- 1...Rxf8
- 2.Sd7#
- 1...Rf6
- 2.Sd7#
- 1...Rd7
- 2.Sf3#
- 2.Sxd7#
- 1...Re7
- 2.Sf3#
- 1...Bf6
- 2.Sf3#
- 1...Be7
- 2.Sd7#
- 1...Sc4
- 2.Sd3#
- 1...Sb5
- 2.Sc4#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(g);SBLOCK::QAR2(I)
- Tries
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(g);XB(J)::S(H)
- B(f);::QAB1(I)
- R(g);SBLOCK::QAR2(I)
- B(d);::S(H)
- S(c);::S(H)
- Refutation
- S(c);
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- R(g);XB(J)::S(H)
- B(f);::QAB1(I)
- R(g);SBLOCK::QAR2(I)
- R(g);::S(H)
- Refutation
- S(c);
- Try
- Q(I);CHECK
- Vars
- R(g);N_GUARD,P_SPINR(g)::QAR1(I),XR(g)
- Refutation
- B(d);P_PINS(C),XQ(I)
- Try
- Q(I);CHECK
- Vars
- R(g);N_GUARD,P_SPINR(g)::QAR1(I),XR(g)
- Refutation
- B(d);P_PINS(C),P_SPINB(d)
- Try
- Actual
- S(H);
- Threat
- QAB1(I)
- Vars
- K(e);P-FLIGHT,XP(G)::QAB1(I)
- R(g);N_GUARD,XB(J)::S(H)
- R(g);N_GUARD::S(H)
- R(g);N_GUARD::S(C)
- B(d);S_CUTR(g)::S(C)
- B(d);S_CUTR(g)::S(H)
- S(c);S_CUTB(f)::S(H)
- S(c);N_GUARD,S_CUTB(f)::S(C)
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).