MESON Chess Problem Database
Problem Display
PID: 225437 (8/8/K7/1N1Bn3/1bq5/8/kPR5/N1R5 w - - 0 1)
Cuppini, Alessandro
Praca, 2001
#2
7 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qb3
- 2.Bxb3#
- 1...Qxd5
- 2.b3#
- 1...Be1
- 2.b4#
- 1...Bd2
- 2.b4#
- 1...Ba3
- 2.bxa3#
- 1...Bc3
- 2.bxc3#
- 1...Ba5
- 2.b4#
- 1...Bc5
- 2.b4#
- 1...Bd6
- 2.b4#
- 1...Be7
- 2.b4#
- 1...Bf8
- 2.b4#
- 1...Sd3
- 2.Bxc4#
- 1...Sf3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...Qb3
- Tries
- 1.Kb7?
- 1...Qb3
- 2.Bxb3#
- 1...Be1
- 2.b4#
- 1...Bd2
- 2.b4#
- 1...Ba3
- 2.Sc3#
- 2.bxa3#
- 1...Bc3
- 2.Sxc3#
- 2.bxc3#
- 1...Ba5
- 2.b4#
- 1...Bc5
- 2.Sc3#
- 2.b4#
- 1...Bd6
- 2.Sc3#
- 2.b4#
- 1...Be7
- 2.Sc3#
- 2.b4#
- 1...Bf8
- 2.Sc3#
- 2.b4#
- 1...Sd3
- 2.Bxc4#
- 1...Sf3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...Qxd5+!
- 1...Qb3
- 1.Be6?
- 1...Qb3
- 2.Bxb3#
- 1...Qd5
- 2.b3#
- 1...Be1
- 2.b4#
- 1...Bd2
- 2.b4#
- 1...Ba3
- 2.bxa3#
- 1...Bc3
- 2.bxc3#
- 1...Ba5
- 2.b4#
- 1...Bc5
- 2.b4#
- 1...Bd6
- 2.b4#
- 1...Be7
- 2.b4#
- 1...Bf8
- 2.b4#
- 1...Sd3
- 2.Bxc4#
- 1...Sf3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...Qxe6+!
- 1...Qb3
- 1.Re1?
- 1...Qxd5
- 2.b3#
- 1...Qb3
- 2.Bxb3#
- 1...Bd2
- 2.b4#
- 1...Ba3
- 2.bxa3#
- 1...Bc3
- 2.bxc3#
- 1...Ba5
- 2.b4#
- 1...Bc5
- 2.b4#
- 1...Bd6
- 2.b4#
- 1...Be7
- 2.b4#
- 1...Bf8
- 2.b4#
- 1...Sd3
- 2.Bxc4#
- 1...Sf3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...Bxe1!
- 1...Qxd5
- 1.Rf1?
- 1...Qxd5
- 2.b3#
- 1...Qb3
- 2.Bxb3#
- 1...Bd2
- 2.b4#
- 1...Ba3
- 2.bxa3#
- 1...Bc3
- 2.bxc3#
- 1...Ba5
- 2.b4#
- 1...Bc5
- 2.b4#
- 1...Bd6
- 2.b4#
- 1...Be7
- 2.b4#
- 1...Bf8
- 2.b4#
- 1...Sd3
- 2.Bxc4#
- 1...Sf3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...Be1!
- 1...Qxd5
- 1.Rg1?
- 1...Qxd5
- 2.b3#
- 1...Qb3
- 2.Bxb3#
- 1...Bd2
- 2.b4#
- 1...Ba3
- 2.bxa3#
- 1...Bc3
- 2.bxc3#
- 1...Ba5
- 2.b4#
- 1...Bc5
- 2.b4#
- 1...Bd6
- 2.b4#
- 1...Be7
- 2.b4#
- 1...Bf8
- 2.b4#
- 1...Sd3
- 2.Bxc4#
- 1...Sf3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...Be1!
- 1...Qxd5
- 1.Rh1?
- 1...Qxd5
- 2.b3#
- 1...Qb3
- 2.Bxb3#
- 1...Bd2
- 2.b4#
- 1...Ba3
- 2.bxa3#
- 1...Bc3
- 2.bxc3#
- 1...Ba5
- 2.b4#
- 1...Bc5
- 2.b4#
- 1...Bd6
- 2.b4#
- 1...Be7
- 2.b4#
- 1...Bf8
- 2.b4#
- 1...Sd3
- 2.Bxc4#
- 1...Sf3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...Be1!
- 1...Qxd5
- 1.Kb7?
- Keys
- 1.Rd1!
- 1...Qxd5
- 2.b3#
- 1...Qb3
- 2.Bxb3#
- 1...Be1
- 2.b4#
- 1...Bd2
- 2.b4#
- 1...Ba3
- 2.bxa3#
- 1...Bc3
- 2.bxc3#
- 1...Ba5
- 2.b4#
- 1...Bc5
- 2.b4#
- 1...Bd6
- 2.b4#
- 1...Be7
- 2.b4#
- 1...Bf8
- 2.b4#
- 1...Sd3
- 2.Bxc4#
- 1...Sf3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...Qxd5
- 1.Rd1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);N_PINS(E),OGATE::B(F),XQ(c)
- Q(c);N_GUARD,N_PINS(E),N_SPINQ(c),XB(F)::R(D)+P(C)
- B(b);OGATE::R(D)+P(C)
- B(b);OGATE::R(D)+P(C),XB(b)
- S(d);N_GUARD::B(F),XQ(c)
- Tries
- Try
- K(G);N_SPINS(E),S_FLIGHT
- Vars
- Q(c);OGATE::B(F),XQ(c)
- B(b);OGATE::R(D)+P(C)
- S(d);N_GUARD::B(F),XQ(c)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XB(F)
- Try
- B(F);
- Vars
- Q(c);N_PINS(E),OGATE::B(F),XQ(c)
- Q(c);N_GUARD,N_PINS(E)::R(D)+P(C)
- B(b);OGATE::R(D)+P(C)
- B(b);OGATE::R(D)+P(C),XB(b)
- S(d);N_GUARD::B(F),XQ(c)
- Refutation
- Q(c);CHECK,N_PINS(E),N_SPINQ(c),XB(F)
- Try
- R(B);
- Vars
- Q(c);N_GUARD,N_PINS(E),N_SPINQ(c),XB(F)::R(D)+P(C)
- Q(c);N_PINS(E),OGATE::B(F),XQ(c)
- B(b);OGATE::R(D)+P(C)
- B(b);OGATE::R(D)+P(C),XB(b)
- S(d);N_GUARD::B(F),XQ(c)
- Refutation
- B(b);XR(B)
- Try
- R(B);
- Vars
- Q(c);N_GUARD,N_PINS(E),N_SPINQ(c),XB(F)::R(D)+P(C)
- Q(c);N_PINS(E),OGATE::B(F),XQ(c)
- B(b);OGATE::R(D)+P(C)
- B(b);OGATE::R(D)+P(C),XB(b)
- S(d);N_GUARD::B(F),XQ(c)
- Refutation
- B(b);
- Try
- R(B);
- Vars
- Q(c);N_GUARD,N_PINS(E),N_SPINQ(c),XB(F)::R(D)+P(C)
- Q(c);N_PINS(E),OGATE::B(F),XQ(c)
- B(b);OGATE::R(D)+P(C)
- B(b);OGATE::R(D)+P(C),XB(b)
- S(d);N_GUARD::B(F),XQ(c)
- Refutation
- B(b);
- Try
- R(B);
- Vars
- Q(c);N_GUARD,N_PINS(E),N_SPINQ(c),XB(F)::R(D)+P(C)
- Q(c);N_PINS(E),OGATE::B(F),XQ(c)
- B(b);OGATE::R(D)+P(C)
- B(b);OGATE::R(D)+P(C),XB(b)
- S(d);N_GUARD::B(F),XQ(c)
- Refutation
- B(b);
- Try
- Actual
- R(B);
- Vars
- Q(c);N_GUARD,N_PINS(E),N_SPINQ(c),XB(F)::R(D)+P(C)
- Q(c);N_PINS(E),OGATE::B(F),XQ(c)
- B(b);OGATE::R(D)+P(C)
- B(b);OGATE::R(D)+P(C),XB(b)
- S(d);N_GUARD::B(F),XQ(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).