MESON Chess Problem Database
Problem Display
PID: 21276 (BRRB4/N7/8/p7/p1b1p3/P1k1p3/p1P1n3/b2K4 w - - 0 1)
Mansfield, Comins
Chess Amateur (The), 1918
#2
8 + 9
| 2681 | All Change Here! | 1919 |
| 4797 | A Genius of the Two-mover | 1936 |
| 1189 | The Tablet | 1955 |
| 3202 | Complete Mansfield/I | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Bf6#
- 1...Bb2
- 2.Sb5#
- 1...Sc1
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sd4
- 2.Bxa5#
- 1...Sf4
- 2.Bf6#
- 1...Kd4
- Tries
- 1.Bxe4?
- 1...Bb2
- 2.Sb5#
- 1...Sc1
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sd4
- 2.Bxa5#
- 1...Sf4
- 2.Bf6#
- 1...Kd4!
- 1...Bb2
- 1.Bg5?
- 1...Kd4
- 2.Bf6#
- 1...Bb2
- 2.Sb5#
- 1...Sc1
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Sd4!
- 1...Kd4
- 1.Be7?
- 1...Kd4
- 2.Bf6#
- 1...Bb2
- 2.Sb5#
- 1...Sc1
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Sd4!
- 1...Kd4
- 1.Rb3+?
- 1...Kd4
- 2.Bf6#
- 1...axb3!
- 1...Kd4
- 1.Rb4?
- threat
- 2.Sb5#
- 2.Rcxc4#
- 1...Kd4
- 2.Bf6#
- 1...Sd4
- 2.Rcxc4#
- 1...axb4!
- threat
- 1.Rb5?
- 1...Kd4
- 2.Bf6#
- 1...Sd4
- 2.Bxa5#
- 1...Sc1
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Bb2!
- 1...Kd4
- 1.Rb6?
- 1...Kd4
- 2.Bf6#
- 1...Bb2
- 2.Sb5#
- 1...Sc1
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Sd4!
- 1...Kd4
- 1.Rb7?
- 1...Sd4
- 2.Bxa5#
- 1...Bb2
- 2.Sb5#
- 1...Sc1
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Kd4!
- 1...Sd4
- 1.Rc5?
- 1...Sd4
- 2.Bxa5#
- 1...Bb2
- 2.Sb5#
- 1...Sc1
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Kd4!
- 1...Sd4
- 1.Rc6?
- 1...Sd4
- 2.Bxa5#
- 1...Bb2
- 2.Sb5#
- 1...Sc1
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Kd4!
- 1...Sd4
- 1.Rc7?
- 1...Kd4
- 2.Bf6#
- 1...Bb2
- 2.Sb5#
- 1...Sc1
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Sd4!
- 1...Kd4
- 1.Bxe4?
- Keys
- 1.Bh4!
- 1...Kd4
- 2.Bf6#
- 1...Bb2
- 2.Sb5#
- 1...Sc1
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sd4
- 2.Be1#
- 1...Sf4
- 2.Bf6#
- 1...Kd4
- 1.Bh4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(d);N_SPINB(g),S_FLIGHT::B(H)
- B(a);SBLOCK::S(D)
- S(c);N_GUARD::B(H)
- S(c);SBLOCK::B(H),XP(i)
- Tries
- Try
- B(E);XP(h)
- Vars
- B(a);SBLOCK::S(D)
- S(c);N_GUARD::B(H)
- S(c);SBLOCK::B(H),XP(i)
- Refutation
- K(d);N_SPINB(g),S_FLIGHT
- Try
- B(H);
- Vars
- K(d);N_SPINB(g),S_FLIGHT::B(H)
- B(a);SBLOCK::S(D)
- S(c);N_GUARD::B(H)
- Refutation
- S(c);
- Try
- B(H);
- Vars
- K(d);N_SPINB(g),S_FLIGHT::B(H)
- B(a);SBLOCK::S(D)
- S(c);N_GUARD::B(H)
- Refutation
- S(c);
- Try
- R(F);CHECK
- Vars
- K(d);N_SPINB(g),S_FLIGHT::B(H)
- Refutation
- P(f);XR(F)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::B(H)
- S(c);::R1(G),XB(g)
- Refutation
- P(i);XR(F)
- Try
- R(F);
- Vars
- K(d);N_SPINB(g),S_FLIGHT::B(H)
- S(c);SBLOCK::B(H),XP(i)
- S(c);N_GUARD::B(H)
- Refutation
- B(a);
- Try
- R(F);
- Vars
- K(d);N_SPINB(g),S_FLIGHT::B(H)
- B(a);SBLOCK::S(D)
- S(c);N_GUARD::B(H)
- Refutation
- S(c);
- Try
- R(F);
- Vars
- S(c);SBLOCK::B(H),XP(i)
- B(a);SBLOCK::S(D)
- S(c);N_GUARD::B(H)
- Refutation
- K(d);N_SPINB(g),S_FLIGHT
- Try
- R(G);
- Vars
- S(c);SBLOCK::B(H),XP(i)
- B(a);SBLOCK::S(D)
- S(c);N_GUARD::B(H)
- Refutation
- K(d);N_SPINB(g),S_FLIGHT
- Try
- R(G);
- Vars
- S(c);SBLOCK::B(H),XP(i)
- B(a);SBLOCK::S(D)
- S(c);N_GUARD::B(H)
- Refutation
- K(d);N_SPINB(g),S_FLIGHT
- Try
- R(G);
- Vars
- K(d);N_SPINB(g),S_FLIGHT::B(H)
- B(a);SBLOCK::S(D)
- S(c);N_GUARD::B(H)
- Refutation
- S(c);
- Try
- Actual
- B(H);
- Vars
- K(d);N_SPINB(g),S_FLIGHT::B(H)
- B(a);SBLOCK::S(D)
- S(c);N_GUARD::B(H)
- S(c);SBLOCK::B(H)
Developed and maintained by Brian Stephenson.
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