MESON Chess Problem Database
Problem Display
PID: 181326 (3R4/2pQB3/2Pn4/1P1Bk1p1/5nRb/2P3p1/1N4P1/5K2 w - - 0 1)
Scotti, Louis
3rd Prize, Bulletin Ouvrier des Echecs, 1953
#2
11 + 7
| 78 | Bulletin Ouvrier des Echecs | 1955 |
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1956 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Qf5#
- 1...Se2
- 2.Qe6#
- 1...Sxg2
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Sxd5
- 2.Sd3#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sg6
- 2.Qe6#
- 1...Sc4
- 2.Sxc4#
- 1...Se4
- 2.Sc4#
- 1...Sxb5
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...Kxd5
- Tries
- 1.Sd3+?
- 1...Sxd3
- 2.Qe6#
- 1...Kxd5!
- 1...Sxd3
- 1.Bf3?
- 1...Sxg2
- 2.Sd3#
- 1...Sxb5
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Se2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sh3
- 2.Sd3#
- 1...Sd5
- 2.Sd3#
- 1...Sh5
- 2.Sd3#
- 1...Sg6
- 2.Sd3#
- 1...Se4
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...Se6!
- 1...Sxg2
- 1.Bxg5?
- 1...Kxd5
- 2.Qf5#
- 1...Sxg2
- 2.Qe6#
- 1...Sxd5
- 2.Sd3#
- 1...Sxb5
- 2.Sc4#
- 1...Se6
- 2.Qxe6#
- 1...Sc4
- 2.Sxc4#
- 1...Se2
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Sg6
- 2.Qe6#
- 1...Se4
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...Bxg5!
- 1...Kxd5
- 1.Bxd6+?
- 1...Kxd5
- 2.Qf5#
- 1...Kf6
- 2.Qf7#
- 1...cxd6!
- 1...Kxd5
- 1.Bf6+?
- 1...Kxd5
- 2.Qf5#
- 1...Kxf6!
- 1...Kxd5
- 1.Rxg5+?
- 1...Sf5
- 2.Sc4#
- 2.Rxf5#
- 2.Qxf5#
- 2.Qxc7#
- 1...Bxg5!
- 1...Sf5
- 1.Ra8?
- 1...Sxg2
- 2.Qe6#
- 1...Sxd5
- 2.Sd3#
- 1...Sxb5
- 2.Sc4#
- 1...Se6
- 2.Qxe6#
- 1...Sc4
- 2.Sxc4#
- 1...Se2
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Sg6
- 2.Qe6#
- 1...Se4
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...Kxd5!
- 1...Sxg2
- 1.Rb8?
- 1...Sxg2
- 2.Qe6#
- 1...Sxd5
- 2.Sd3#
- 1...Sxb5
- 2.Sc4#
- 1...Se6
- 2.Qxe6#
- 1...Sc4
- 2.Sxc4#
- 1...Se2
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Sg6
- 2.Qe6#
- 1...Se4
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...Kxd5!
- 1...Sxg2
- 1.Rc8?
- 1...Sxg2
- 2.Qe6#
- 1...Sxd5
- 2.Sd3#
- 1...Sxb5
- 2.Sc4#
- 1...Sxc8
- 2.Sc4#
- 1...Se6
- 2.Qxe6#
- 1...Sc4
- 2.Sxc4#
- 1...Se2
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Sg6
- 2.Qe6#
- 1...Se4
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...Kxd5!
- 1...Sxg2
- 1.Re8?
- 1...Sxg2
- 2.Qe6#
- 1...Sxd5
- 2.Sd3#
- 1...Sxb5
- 2.Sc4#
- 1...Sxe8
- 2.Sc4#
- 1...Se6
- 2.Qxe6#
- 1...Sc4
- 2.Sxc4#
- 1...Se2
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Sg6
- 2.Qe6#
- 1...Se4
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Kxd5!
- 1...Sxg2
- 1.Rf8?
- 1...Sxg2
- 2.Qe6#
- 1...Sxd5
- 2.Sd3#
- 1...Sxb5
- 2.Sc4#
- 2.Bf6#
- 2.Rf5#
- 2.Qf5#
- 1...Sc4
- 2.Sxc4#
- 2.Bf6#
- 2.Rf5#
- 2.Qf5#
- 1...Se2
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sg6
- 2.Qe6#
- 1...Se4
- 2.Sc4#
- 2.Rf5#
- 2.Qf5#
- 1...Sf5
- 2.Sc4#
- 2.Bf6#
- 2.Rxf5#
- 2.Qxf5#
- 1...Sb7
- 2.Sc4#
- 2.Bf6#
- 2.Rf5#
- 2.Qf5#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 2.Bf6#
- 2.Rf5#
- 2.Qf5#
- 1...Se8
- 2.Sc4#
- 2.Rf5#
- 2.Qf5#
- 1...Kxd5!
- 1...Sxg2
- 1.Rg8?
- 1...Sxg2
- 2.Qe6#
- 1...Sxd5
- 2.Sd3#
- 1...Sxb5
- 2.Sc4#
- 1...Se6
- 2.Qxe6#
- 1...Sc4
- 2.Sxc4#
- 1...Se2
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Sg6
- 2.Qe6#
- 1...Se4
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...Kxd5!
- 1...Sxg2
- 1.Rh8?
- 1...Sxg2
- 2.Qe6#
- 1...Sxd5
- 2.Sd3#
- 1...Sxb5
- 2.Sc4#
- 1...Se6
- 2.Qxe6#
- 1...Sc4
- 2.Sxc4#
- 1...Se2
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Sg6
- 2.Qe6#
- 1...Se4
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...Kxd5!
- 1...Sxg2
- 1.Qf5+?
- 1...Sxf5
- 2.Sc4#
- 1...Kxf5!
- 1...Sxf5
- 1.Qc8?
- 1...Kxd5
- 2.Qf5#
- 1...Sxg2
- 2.Qe6#
- 1...Sxd5
- 2.Sd3#
- 1...Sxb5
- 2.Sc4#
- 1...Se6
- 2.Qxe6#
- 1...Sc4
- 2.Sxc4#
- 1...Se2
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Sg6
- 2.Qe6#
- 1...Se4
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...Sxc8!
- 1...Kxd5
- 1.Sd3+?
- Keys
- 1.Be4!
- 1...Kxe4
- 2.Qe6#
- 1...Sxg2
- 2.Sd3#
- 1...Sxe4
- 2.Sc4#
- 1...Sxb5
- 2.Qf5#
- 1...Sc4
- 2.Qf5#
- 1...Se2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sh3
- 2.Sd3#
- 1...Sd5
- 2.Sd3#
- 1...Sh5
- 2.Sd3#
- 1...Se6
- 2.Sd3#
- 1...Sg6
- 2.Sd3#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...Kxe4
- 1.Be4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 14
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(d);P-FLIGHT,P_SPINS(f),XB(G)::QAR2(I)
- S(b);N_GUARD::QAR1(I)
- S(b);N_GUARD,XP(C)::QAR1(I)
- S(b);N_GUARD,SBLOCK,XB(G)::S(B)
- S(b);N_GUARD::QAR1(I),XS(b)
- S(f);N_GUARD::S(B),XS(f)
- S(f);N_GUARD::S(B)
- S(f);N_GUARD,XP(F)::S(B)
- Tries
- Try
- S(B);CHECK
- Vars
- S(b);XS(B)::QAR1(I)
- Refutation
- K(d);P-FLIGHT,P_SPINS(f),XB(G)
- Try
- B(G);
- Vars
- S(b);N_GUARD,XP(C)::S(B)
- S(f);N_GUARD,XP(F)::S(B)
- S(f);N_GUARD::S(B),XS(f)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(f);N_GUARD::S(B)
- Refutation
- S(b);
- Try
- B(J);XP(e)
- Vars
- K(d);P-FLIGHT,P_SPINS(f),XB(G)::QAR2(I)
- S(b);N_GUARD,XP(C)::QAR1(I)
- S(b);N_GUARD,SBLOCK,XB(G)::S(B)
- S(f);N_GUARD,XP(F)::S(B)
- S(b);N_GUARD::QAR1(I),XS(b)
- S(f);N_GUARD::S(B),XS(f)
- S(b);N_GUARD::QAR1(I)
- S(f);N_GUARD::S(B)
- Refutation
- B(c);XB(J)
- Try
- B(J);CHECK,XS(f)
- Vars
- K(d);P-FLIGHT,XB(G)::QAR2(I)
- K(d);S_FLIGHT::QAR1(I)
- Refutation
- P(g);XB(J)
- Try
- B(J);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINS(f),XB(G)::QAR2(I)
- Refutation
- K(d);S_FLIGHT,XB(J)
- Try
- R(E);CHECK,XP(e)
- Refutation
- B(c);XR(E)
- Try
- R(K);
- Vars
- S(b);N_GUARD,XP(C)::QAR1(I)
- S(b);N_GUARD,SBLOCK,XB(G)::S(B)
- S(f);N_GUARD,XP(F)::S(B)
- S(b);N_GUARD::QAR1(I),XS(b)
- S(f);N_GUARD::S(B),XS(f)
- S(b);N_GUARD::QAR1(I)
- S(f);N_GUARD::S(B)
- Refutation
- K(d);P-FLIGHT,P_SPINS(f),XB(G)
- Try
- R(K);
- Vars
- S(b);N_GUARD,XP(C)::QAR1(I)
- S(b);N_GUARD,SBLOCK,XB(G)::S(B)
- S(f);N_GUARD,XP(F)::S(B)
- S(b);N_GUARD::QAR1(I),XS(b)
- S(f);N_GUARD::S(B),XS(f)
- S(b);N_GUARD::QAR1(I)
- S(f);N_GUARD::S(B)
- Refutation
- K(d);P-FLIGHT,P_SPINS(f),XB(G)
- Try
- R(K);
- Vars
- S(b);N_GUARD,XP(C)::QAR1(I)
- S(b);N_GUARD,SBLOCK,XB(G)::S(B)
- S(f);N_GUARD,XP(F)::S(B)
- S(f);N_GUARD,XR(K)::S(B)
- S(b);N_GUARD::QAR1(I),XS(b)
- S(f);N_GUARD::S(B),XS(f)
- S(b);N_GUARD::QAR1(I)
- S(f);N_GUARD::S(B)
- Refutation
- K(d);P-FLIGHT,P_SPINS(f),XB(G)
- Try
- R(K);
- Vars
- S(b);N_GUARD,XP(C)::QAR1(I)
- S(b);N_GUARD,SBLOCK,XB(G)::S(B)
- S(f);N_GUARD,XP(F)::S(B)
- S(f);N_GUARD,XR(K)::S(B)
- S(b);N_GUARD::QAR1(I),XS(b)
- S(f);N_GUARD::S(B),XS(f)
- S(b);N_GUARD::QAR1(I)
- S(f);N_GUARD::S(B)
- Refutation
- K(d);P-FLIGHT,P_SPINS(f),XB(G)
- Try
- R(K);
- Vars
- S(b);N_GUARD,XP(C)::QAR1(I)
- S(b);N_GUARD,SBLOCK,XB(G)::S(B)
- S(b);N_GUARD::QAR1(I)
- S(b);N_GUARD::QAR1(I),XS(b)
- S(f);N_GUARD::S(B)
- Refutation
- K(d);P-FLIGHT,P_SPINS(f),XB(G)
- Try
- R(K);
- Vars
- S(b);N_GUARD,XP(C)::QAR1(I)
- S(b);N_GUARD,SBLOCK,XB(G)::S(B)
- S(f);N_GUARD,XP(F)::S(B)
- S(b);N_GUARD::QAR1(I),XS(b)
- S(f);N_GUARD::S(B),XS(f)
- S(b);N_GUARD::QAR1(I)
- S(f);N_GUARD::S(B)
- Refutation
- K(d);P-FLIGHT,P_SPINS(f),XB(G)
- Try
- R(K);
- Vars
- S(b);N_GUARD,XP(C)::QAR1(I)
- S(b);N_GUARD,SBLOCK,XB(G)::S(B)
- S(f);N_GUARD,XP(F)::S(B)
- S(b);N_GUARD::QAR1(I),XS(b)
- S(f);N_GUARD::S(B),XS(f)
- S(b);N_GUARD::QAR1(I)
- S(f);N_GUARD::S(B)
- Refutation
- K(d);P-FLIGHT,P_SPINS(f),XB(G)
- Try
- Q(I);CHECK
- Vars
- S(f);SBLOCK,XQ(I)::S(B)
- Refutation
- K(d);P-FLIGHT,XQ(I)
- Try
- Q(I);
- Vars
- K(d);P-FLIGHT,P_SPINS(f),XB(G)::QAR2(I)
- S(b);N_GUARD,XP(C)::QAR1(I)
- S(b);N_GUARD,SBLOCK,XB(G)::S(B)
- S(f);N_GUARD,XP(F)::S(B)
- S(b);N_GUARD::QAR1(I),XS(b)
- S(f);N_GUARD::S(B),XS(f)
- S(b);N_GUARD::QAR1(I)
- S(f);N_GUARD::S(B)
- Refutation
- S(f);XQ(I)
- Try
- Actual
- B(G);
- Vars
- K(d);P-FLIGHT,P_SPINS(b),XB(G)::QAR2(I)
- S(b);N_GUARD,XP(C)::S(B)
- S(f);N_GUARD,SBLOCK,XB(G)::S(B)
- S(f);N_GUARD,XP(F)::QAR1(I)
- S(f);N_GUARD::QAR1(I)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(f);N_GUARD::QAR1(I),XS(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).