MESON Chess Problem Database
Problem Display
PID: 81962 (3Bb2r/8/r7/4pB2/1p2NkP1/4RN1n/3P2K1/2n5 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Die Schwalbe, 1964
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sg1
- 2.Bg5#
- 1...Sf2
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...Sg1
- Tries
- 1.Se1?
- threat
- 2.Rf3#
- 1...Sg1
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...Ra3!
- threat
- 1.Sg1?
- threat
- 2.Rf3#
- 1...Sxg1
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...Ra3!
- threat
- 1.Sh2?
- threat
- 2.Rf3#
- 1...Sg1
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...Ra3!
- threat
- 1.Sd4?
- threat
- 2.Rf3#
- 1...Ra3
- 2.Se6#
- 1...Sg1
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...exd4!
- threat
- 1.Sh4?
- threat
- 2.Rf3#
- 1...Sg1
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...Ra3!
- threat
- 1.Sfg5?
- threat
- 2.Rf3#
- 1...Sxg5
- 2.Bxg5#
- 1...Ra3
- 2.Se6#
- 1...Sg1!
- threat
- 1.Sf2?
- threat
- 2.Re4#
- 1...Sxf2
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...e4
- 2.Rxe4#
- 1...Bc6!
- threat
- 1.Sc3?
- threat
- 2.Sd5#
- 2.Re4#
- 1...bxc3
- 2.Re4#
- 1...Ra5
- 2.Re4#
- 1...Rd6
- 2.Re4#
- 1...Bf7
- 2.Re4#
- 1...Sf2
- 2.Sd5#
- 2.Bg5#
- 1...Sg5
- 2.Sd5#
- 2.Bxg5#
- 1...e4
- 2.Sd5#
- 2.Rxe4#
- 1...Bc6!
- threat
- 1.Sg3?
- threat
- 2.Re4#
- 1...Sf2
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...e4
- 2.Rxe4#
- 1...Bc6!
- threat
- 1.Seg5?
- threat
- 2.Re4#
- 1...Sxg5
- 2.Bxg5#
- 1...Bc6
- 2.Se6#
- 1...e4
- 2.Rxe4#
- 1...Sf2!
- threat
- 1.Sd6?
- threat
- 2.Re4#
- 1...Sf2
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...e4
- 2.Rxe4#
- 1...Bc6!
- threat
- 1.Sf6?
- threat
- 2.Sd5#
- 2.Re4#
- 1...Rxf6
- 2.Re4#
- 1...Ra5
- 2.Re4#
- 1...Rd6
- 2.Re4#
- 1...Bf7
- 2.Re4#
- 1...Sf2
- 2.Sd5#
- 1...Sg5
- 2.Sd5#
- 1...e4
- 2.Sd5#
- 2.Rxe4#
- 1...Bc6!
- threat
- 1.Se1?
- Keys
- 1.Sc5!
- threat
- 2.Re4#
- 1...Bc6
- 2.Se6#
- 1...Sf2
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...e4
- 2.Rxe4#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Tries
- Try
- S(D);
- Threat
- R1(C)
- Vars
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- R(f);
- Try
- S(D);
- Threat
- R1(C)
- Vars
- S(b);N_GUARD,XS(D)::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- R(f);
- Try
- S(D);
- Threat
- R1(C)
- Vars
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- R(f);
- Try
- S(D);
- Threat
- R1(C)
- Vars
- R(f);N_GUARD::S(D)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- P(e);XS(D)
- Try
- S(D);
- Threat
- R1(C)
- Vars
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- R(f);
- Try
- S(D);
- Threat
- R1(C)
- Vars
- S(b);OGATE,XS(D)::B(H),XS(b)
- R(f);N_GUARD::S(D)
- Refutation
- S(b);
- Try
- S(E);
- Threat
- R1(C)
- Vars
- S(b);N_GUARD,XS(E)::B(H)
- S(b);N_GUARD::B(H),XS(b)
- P(e);::R1(C),XP(e)
- Refutation
- B(g);P_PINS(D)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(c);XS(E)::R1(C)
- R(f);::R1(C)
- B(g);::R1(C)
- Refutation
- B(g);P_PINS(D)
- Try
- S(E);
- Threat
- R1(C)
- Vars
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- P(e);::R1(C),XP(e)
- Refutation
- B(g);P_PINS(D)
- Try
- S(E);
- Threat
- R1(C)
- Vars
- S(b);OGATE,XS(E)::B(H),XS(b)
- B(g);P_PINS(D),S_CUTR(f)::S(E)
- P(e);::R1(C),XP(e)
- Refutation
- S(b);
- Try
- S(E);
- Threat
- R1(C)
- Vars
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- P(e);::R1(C),XP(e)
- Refutation
- B(g);P_PINS(D)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(f);XS(E)::R1(C)
- R(f);::R1(C)
- B(g);::R1(C)
- S(b);::S(E)
- Refutation
- B(g);P_PINS(D)
- Try
- Actual
- S(E);
- Threat
- R1(C)
- Vars
- B(g);P_PINS(D),S_CUTR(f)::S(E)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- P(e);::R1(C),XP(e)
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