MESON Chess Problem Database
Problem Display
PID: 2690 (1R5K/4B3/8/8/3pbp2/2NpkpN1/3nrn2/8 w - - 0 1)
Southard, LH
Source?, 0000
#2
5 + 9
| 1679 | American Chess Nuts | 1868 |
SOLUTION
- SOUND
- Sets
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Bd5
- Tries
- 1.Kg7?
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...dxc3
- 1.Bd8?
- 1...dxc3
- 2.Bb6#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...dxc3
- 1.Bf8?
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bh6#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...dxc3
- 1.Rb2?
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Re1!
- 1...dxc3
- 1.Rb3?
- 1...Sxb3
- 2.Sf1#
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...Sxb3
- 1.Rb4?
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...dxc3
- 1.Rb5?
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...dxc3
- 1.Rb6?
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...dxc3
- 1.Rb7?
- 1...Bxb7
- 2.Sf5#
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bh7
- 2.Sd5#
- 1...Re1!
- 1...Bxb7
- 1.Ra8?
- 1...Bxa8
- 2.Sf5#
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Re1!
- 1...Bxa8
- 1.Rc8?
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...dxc3
- 1.Rd8?
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...dxc3
- 1.Re8?
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...dxc3
- 1.Rf8?
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...dxc3
- 1.Rg8?
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sb1
- 2.Sf1#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Re1!
- 1...dxc3
- 1.Kg7?
- Keys
- 1.Rb1!
- 1...Sxb1
- 2.Sf1#
- 1...dxc3
- 2.Bc5#
- 1...fxg3
- 2.Bg5#
- 1...Sf1
- 2.Sxf1#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Re1
- 2.Rxe1#
- 1...Bd5
- 2.Sxd5#
- 2.Sf5#
- 1...Bf5
- 2.Sd5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bg6
- 2.Sd5#
- 1...Bb7
- 2.Sf5#
- 1...Bh7
- 2.Sd5#
- 1...Ba8
- 2.Sf5#
- 1...Sxb1
- 1.Rb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- B(C);
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- B(C);
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- S(a);N_GUARD,XR(D)::S(B)
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- B(h);N_GUARD,XR(D)::S(B)
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- B(h);N_GUARD,XR(D)::S(B)
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- Actual
- R(D);
- Vars
- S(a);N_GUARD,XR(D)::S(B)
- P(g);OGATEB,XS(A)::B(C)
- P(i);OGATEB,XS(B)::B(C)
- S(a);N_GUARD::S(B),XS(a)
- S(a);N_GUARD::S(B)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- R(b);OGATEB::R(D),XR(b)
- B(h);N_GUARD::S(B)
- B(h);N_GUARD::S(A)
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).