MESON Chess Problem Database
Problem Display
PID: 229330 (8/3Q1p1B/3npK2/1nNkPp2/2pP4/2p1p3/2P1N3/8 w - - 0 1)
Musante, Horacio Luis
Deutsche Schachzeitung, 1960
#2
8 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sa3
- 2.Qxd6#
- 1...Sxd4
- 2.Qxd6#
- 1...Sa7
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...f4
- 2.Be4#
- 1...Sa3
- Tries
- 1.Kg5?
- 1...Sxd4
- 2.Qxd6#
- 1...Sa3
- 2.Qxd6#
- 1...Sa7
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...f4
- 2.Be4#
- 1...f6+!
- 1...Sxd4
- 1.Ke7?
- 1...Sxd4
- 2.Qxd6#
- 1...Sa3
- 2.Qxd6#
- 1...Sa7
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...f4
- 2.Be4#
- 1...f6!
- 1...Sxd4
- 1.Kg7?
- 1...Sxd4
- 2.Qxd6#
- 1...Sa3
- 2.Qxd6#
- 1...Sa7
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...f4
- 2.Be4#
- 1...f6!
- 1...Sxd4
- 1.Sxc3+?
- 1...Sxc3
- 2.Qxd6#
- 1...Kxd4!
- 1...Sxc3
- 1.Sb3?
- 1...Ke4
- 2.Qc6#
- 1...Sxd4
- 2.Sxc3#
- 1...Sa3
- 2.Sxc3#
- 1...Sa7
- 2.Sxc3#
- 1...Sc7
- 2.Sxc3#
- 1...f4
- 2.Sxf4#
- 1...cxb3!
- 1...Ke4
- 1.Sxe6?
- 1...Ke4
- 2.Qc6#
- 1...Sxd4
- 2.Sxc3#
- 1...Sa3
- 2.Sxc3#
- 1...Sa7
- 2.Sxc3#
- 1...Sc7
- 2.Sxc3#
- 1...f4
- 2.S2xf4#
- 2.S6xf4#
- 1...fxe6!
- 1...Ke4
- 1.Bxf5?
- threat
- 2.Be4#
- 1...Sxd4
- 2.Qxd6#
- 1...exf5!
- threat
- 1.Bg6?
- 1...Sxd4
- 2.Qxd6#
- 1...Sa3
- 2.Qxd6#
- 1...Sa7
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...f4
- 2.Be4#
- 1...fxg6!
- 1...Sxd4
- 1.Bg8?
- 1...Sxd4
- 2.Qxd6#
- 1...Sa3
- 2.Qxd6#
- 1...Sa7
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...f4!
- 1...Sxd4
- 1.Qd8?
- 1...Sxd4
- 2.Qxd6#
- 1...Sa3
- 2.Qxd6#
- 1...Sa7
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...f4
- 2.Be4#
- 1...Kc6!
- 1...Sxd4
- 1.Kg5?
- Keys
- 1.Sa4!
- 1...Ke4
- 2.Qc6#
- 1...Sxd4
- 2.Sexc3#
- 1...Sa3
- 2.Saxc3#
- 1...Sa7
- 2.Saxc3#
- 1...Sc7
- 2.Saxc3#
- 1...f4
- 2.Sb6#
- 1...Ke4
- 1.Sa4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::QAR1(G),XS(g)
- S(d);N_GUARD,XP(C)::QAR1(G),XS(g)
- P(f);OGATE::B(H)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- S(d);N_GUARD,XP(C)::QAR1(G),XS(g)
- S(d);N_GUARD::QAR1(G),XS(g)
- P(f);OGATE::B(H)
- Refutation
- P(i);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- S(d);N_GUARD,XP(C)::QAR1(G),XS(g)
- S(d);N_GUARD::QAR1(G),XS(g)
- P(f);OGATE::B(H)
- Refutation
- P(i);
- Try
- K(F);S_FLIGHT
- Vars
- S(d);N_GUARD,XP(C)::QAR1(G),XS(g)
- S(d);N_GUARD::QAR1(G),XS(g)
- P(f);OGATE::B(H)
- Refutation
- P(i);
- Try
- S(B);CHECK,XP(a)
- Vars
- S(d);XS(B)::QAR1(G),XS(g)
- Refutation
- K(e);P-FLIGHT,XP(C)
- Try
- S(D);
- Vars
- K(e);N_SPINS(g),P_SPINP(f),S_FLIGHT::QAB(G)
- S(d);N_GUARD,XP(C)::S(B),XP(a)
- S(d);N_GUARD::S(B),XP(a)
- P(f);::S(B),XP(f)
- Refutation
- P(c);XS(D)
- Try
- S(D);XP(h)
- Vars
- K(e);N_SPINS(g),P_SPINP(f),S_FLIGHT::QAB(G)
- S(d);N_GUARD,XP(C)::S(B),XP(a)
- S(d);N_GUARD::S(B),XP(a)
- Refutation
- P(i);XS(D)
- Try
- B(H);XP(f)
- Threat
- B(H)
- Vars
- S(d);N_GUARD,XP(C)::QAR1(G),XS(g)
- Refutation
- P(h);XB(H)
- Try
- B(H);
- Vars
- S(d);N_GUARD,XP(C)::QAR1(G),XS(g)
- S(d);N_GUARD::QAR1(G),XS(g)
- P(f);OGATE::B(H)
- Refutation
- P(i);XB(H)
- Try
- B(H);
- Vars
- S(d);N_GUARD,XP(C)::QAR1(G),XS(g)
- S(d);N_GUARD::QAR1(G),XS(g)
- Refutation
- P(f);
- Try
- Q(G);
- Vars
- S(d);N_GUARD,XP(C)::QAR1(G),XS(g)
- S(d);N_GUARD::QAR1(G),XS(g)
- P(f);OGATE::B(H)
- Refutation
- K(e);N_SPINS(g),S_FLIGHT
- Try
- Actual
- S(D);
- Vars
- K(e);N_SPINS(g),P_SPINP(f),S_FLIGHT::QAB(G)
- S(d);N_GUARD,SBLOCK,XP(C)::S(B),XP(a)
- S(d);N_GUARD::S(D),XP(a)
- P(f);::S(D)
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).