MESON Chess Problem Database
Problem Display
PID: 134193 (4b2q/Q2p4/3p3b/3Nk1B1/2PRNpB1/3p1K2/8/2n5 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Prize, Springaren, 2006-2007
#2
8 + 9
| 145 | StrateGems | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Bxf6#
- 1...Qh7
- 2.Bf6#
- 1...Qg8
- 2.Bf6#
- 1...Bg7
- 2.Bxf4#
- 1...Bf8
- 2.Bxf4#
- 1...Qf6
- Tries
- 1.Sd2?
- threat
- 2.Re4#
- 1...Qh7
- 2.Bf6#
- 1...Bg6!
- threat
- 1.Sf2?
- threat
- 2.Re4#
- 1...Qh7
- 2.Bf6#
- 1...Bg6!
- threat
- 1.Sec3?
- threat
- 2.Re4#
- 1...Qh7
- 2.Bf6#
- 1...Bg6!
- threat
- 1.Sg3?
- threat
- 2.Re4#
- 1...Qh7
- 2.Bf6#
- 1...Bg6!
- threat
- 1.Sef6?
- threat
- 2.Re4#
- 1...Bg6
- 2.Sxd7#
- 1...Qh7!
- threat
- 1.Sdc3?
- threat
- 2.Rd5#
- 1...Qg8
- 2.Bf6#
- 1...d5
- 2.Rxd5#
- 1...Bf7!
- threat
- 1.Se3?
- threat
- 2.Rd5#
- 1...Qg8
- 2.Bf6#
- 1...d5
- 2.Rxd5#
- 1...Bf7!
- threat
- 1.Sb4?
- threat
- 2.Rd5#
- 1...Qg8
- 2.Bf6#
- 1...d5
- 2.Rxd5#
- 1...Bf7!
- threat
- 1.Sxf4?
- threat
- 2.Rd5#
- 1...Qg8
- 2.Bf6#
- 1...d5
- 2.Rxd5#
- 1...Bf7!
- threat
- 1.Sdf6?
- threat
- 2.Rd5#
- 1...Bf7
- 2.Sxd7#
- 1...d5
- 2.Rxd5#
- 1...Qg8!
- threat
- 1.Sc7?
- threat
- 2.Rd5#
- 1...Qg8
- 2.Bf6#
- 1...d5
- 2.Rxd5#
- 1...Bf7!
- threat
- 1.Se7?
- threat
- 2.Rd5#
- 1...Qg8
- 2.Bf6#
- 1...d5
- 2.Rxd5#
- 1...Bf7!
- threat
- 1.Sd2?
- Keys
- 1.Sb6!
- threat
- 2.Rd5#
- 1...Kxd4
- 2.Qa1#
- 1...Qg8
- 2.Bf6#
- 1...Bf7
- 2.Sxd7#
- 1...d5
- 2.Rxd5#
- threat
- 1.Sb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- Q(i);N_GUARD::B(G),XQ(i)
- Q(i);N_GUARD::B(G)
- B(f);N_GUARD::B(G),XP(c)
- Tries
- Try
- S(D);
- Threat
- R1(C)
- Vars
- Q(i);N_GUARD::B(G)
- Refutation
- B(h);
- Try
- S(D);
- Threat
- R1(C)
- Vars
- Q(i);N_GUARD::B(G)
- Refutation
- B(h);
- Try
- S(D);
- Threat
- R1(C)
- Vars
- Q(i);N_GUARD::B(G)
- Refutation
- B(h);
- Try
- S(D);
- Threat
- R1(C)
- Vars
- Q(i);N_GUARD::B(G)
- Refutation
- B(h);
- Try
- S(D);
- Threat
- R1(C)
- Vars
- B(h);N_GUARD::S(D),XP(g)
- Refutation
- Q(i);
- Try
- S(F);
- Threat
- R1(C)
- Vars
- Q(i);N_GUARD::B(G)
- P(e);::R1(C),XP(e)
- Refutation
- B(h);
- Try
- S(F);
- Threat
- R1(C)
- Vars
- Q(i);N_GUARD::B(G)
- P(e);::R1(C),XP(e)
- Refutation
- B(h);
- Try
- S(F);
- Threat
- R1(C)
- Vars
- Q(i);N_GUARD::B(G)
- P(e);::R1(C),XP(e)
- Refutation
- B(h);
- Try
- S(F);XP(c)
- Threat
- R1(C)
- Vars
- Q(i);N_GUARD::B(G)
- P(e);::R1(C),XP(e)
- Refutation
- B(h);
- Try
- S(F);
- Threat
- R1(C)
- Vars
- B(h);N_GUARD::S(F),XP(g)
- P(e);::R1(C),XP(e)
- Refutation
- Q(i);
- Try
- S(F);
- Threat
- R1(C)
- Vars
- Q(i);N_GUARD::B(G)
- P(e);::R1(C),XP(e)
- Refutation
- B(h);
- Try
- S(F);
- Threat
- R1(C)
- Vars
- Q(i);N_GUARD::B(G)
- P(e);::R1(C),XP(e)
- Refutation
- B(h);
- Try
- Actual
- S(F);
- Threat
- R1(C)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(C)::QAB(H)
- Q(i);N_GUARD::B(G)
- B(h);N_GUARD::S(F),XP(g)
- P(e);::R1(C),XP(e)
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