MESON Chess Problem Database
Problem Display
PID: 46662 (4N2q/2ppNB1b/4R3/pR2P3/4k3/4b1P1/4K3/B7 w - - 0 1)
Lincoln, Robert A
5th HM., The Problemist, 1999/II
#2
9 + 7
| 56 | The Problemist | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Qxe5
- 2.Sf6#
- 2.Rbxe5#
- 2.Rexe5#
- 1...Qf6
- 2.Sxf6#
- 1...Qf8
- 2.Sf6#
- 1...Qg8
- 2.Sf6#
- 1...Bg6
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Qxe5
- Tries
- 1.Bh5?
- threat
- 2.Bf3#
- 1...Qf6
- 2.Sxf6#
- 1...Qf8!
- threat
- 1.Rb4+?
- 1...Bd4
- 2.Rxd4#
- 1...axb4!
- 1...Bd4
- 1.Ra6?
- threat
- 2.Bd5#
- 1...Qxe5
- 2.Rxe5#
- 1...Qg8
- 2.Sf6#
- 1...Bg8
- 2.Bg6#
- 1...c6
- 2.Sd6#
- 1...d5
- 2.Bxd5#
- 1...Bd4!
- threat
- 1.Reb6?
- threat
- 2.Bd5#
- 1...Qxe5
- 2.Rxe5#
- 1...Qg8
- 2.Sf6#
- 1...Bg8
- 2.Bg6#
- 1...c6
- 2.Sd6#
- 1...d5
- 2.Bxd5#
- 1...Bd4!
- threat
- 1.Rd6?
- threat
- 2.Bd5#
- 1...Qxe5
- 2.Rxe5#
- 1...Bd4
- 2.Rxd4#
- 1...Qg8
- 2.Sf6#
- 1...Bg8
- 2.Bg6#
- 1...c6!
- threat
- 1.Rf6?
- threat
- 2.Bd5#
- 1...Bd4
- 2.Rf4#
- 1...Bg8
- 2.Bg6#
- 1...c6
- 2.Sd6#
- 1...d5
- 2.Bxd5#
- 1...Qg8!
- threat
- 1.Rg6?
- threat
- 2.Bd5#
- 1...Qxe5
- 2.Rxe5#
- 1...Bd4
- 2.Rg4#
- 1...Qg8
- 2.Sf6#
- 1...c6
- 2.Sd6#
- 1...d5
- 2.Bxd5#
- 1...Bg8!
- threat
- 1.Bh5?
- Keys
- 1.Rh6!
- threat
- 2.Bd5#
- 1...Qxe5
- 2.Rxe5#
- 1...Bd4
- 2.Rh4#
- 1...Qg8
- 2.Sf6#
- 1...Bg8
- 2.Bg6#
- 1...c6
- 2.Sd6#
- 1...d5
- 2.Bxd5#
- threat
- 1.Rh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- Q(g);N_GUARD::S(I),XQ(g)
- Q(g);N_GUARD::S(I)
- B(f);N_GUARD::B(H),XB(f)
- B(f);N_GUARD::B(H)
- P(d);N_GUARD::S(I)
- Tries
- Try
- B(H);
- Threat
- B(H)
- Vars
- Q(g);N_GUARD::S(I),XQ(g)
- Refutation
- Q(g);
- Try
- R(D);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::R1(D),XB(a)
- Refutation
- P(c);XR(D)
- Try
- R(F);
- Threat
- B(H)
- Vars
- Q(g);OGATE,XP(E)::R1(D),XQ(g)
- Q(g);N_GUARD::S(I)
- B(f);N_GUARD::B(H)
- P(d);N_GUARD::S(I)
- P(e);::B(H),XP(e)
- Refutation
- B(a);
- Try
- R(F);
- Threat
- B(H)
- Vars
- Q(g);OGATE,XP(E)::R1(D),XQ(g)
- Q(g);N_GUARD::S(I)
- B(f);N_GUARD::B(H)
- P(d);N_GUARD::S(I)
- P(e);::B(H),XP(e)
- Refutation
- B(a);
- Try
- R(F);
- Threat
- B(H)
- Vars
- Q(g);OGATE,XP(E)::R1(D),XQ(g)
- B(a);N_GUARD::R1(F),XB(a)
- Q(g);N_GUARD::S(I)
- B(f);N_GUARD::B(H)
- Refutation
- P(d);
- Try
- R(F);
- Threat
- B(H)
- Vars
- B(a);N_GUARD::R1(F)
- B(f);N_GUARD::B(H)
- P(d);N_GUARD::S(I)
- P(e);::B(H),XP(e)
- Refutation
- Q(g);
- Try
- R(F);
- Threat
- B(H)
- Vars
- Q(g);OGATE,XP(E)::R1(D),XQ(g)
- B(a);N_GUARD::R(F)
- Q(g);N_GUARD::S(I)
- P(d);N_GUARD::S(I)
- P(e);::B(H),XP(e)
- Refutation
- B(f);
- Try
- Actual
- R(F);
- Threat
- B(H)
- Vars
- Q(g);OGATE,XP(E)::R1(D),XQ(g)
- B(a);N_GUARD::R(F)
- Q(g);N_GUARD::S(I)
- B(f);N_GUARD::B(H)
- P(d);N_GUARD::S(I)
- P(e);::B(H),XP(e)
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