MESON Chess Problem Database
Problem Display
PID: 50308 (q7/bPR5/3n2p1/Q7/1N1k1n2/3P4/b4P1B/2R2K2 w - - 0 1)
Paslack, Rainer
7th HM., Die Schwalbe, 2000
#2
9 + 7
| 23 | Die Schwalbe | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Qa1#
- 1...Bb3
- 2.Qa1#
- 1...Bc4
- 2.Qa1#
- 1...Bd5
- 2.Qa1#
- 1...Be6
- 2.Qa1#
- 1...Bf7
- 2.Qa1#
- 1...Bg8
- 2.Qa1#
- 1...Bc5
- 2.Qxc5#
- 1...Bb8
- 2.Qc5#
- 1...Se2
- 2.Be5#
- 2.Qe5#
- 1...Sg2
- 2.Be5#
- 2.Qe5#
- 1...Sh3
- 2.Be5#
- 2.Qe5#
- 1...Sh5
- 2.Be5#
- 2.Qe5#
- 1...Se6
- 2.Be5#
- 2.Qe5#
- 1...Bb1
- Tries
- 1.Bxf4?
- threat
- 2.Be3#
- 2.Be5#
- 2.Qe5#
- 1...Qe8
- 2.Qxa7#
- 1...Qh8
- 2.Be3#
- 2.Qxa7#
- 1...Bd5
- 2.Qa1#
- 2.Qxd5#
- 1...Bc5
- 2.Qxc5#
- 1...Sc4
- 2.Qd5#
- 1...Sf5
- 2.Be5#
- 2.Qe5#
- 1...Sf7
- 2.Be3#
- 1...Sb5!
- threat
- 1.Rd1?
- threat
- 2.Sc2#
- 2.Sc6#
- 1...Qxb7
- 2.Sc2#
- 1...Sxd3
- 2.Qe5#
- 1...Bd5
- 2.Qa1#
- 1...Bc5
- 2.Qxc5#
- 1...Qe8
- 2.Sc2#
- 1...Bb1
- 2.Sc6#
- 2.Qa1#
- 1...Bb3
- 2.Sc6#
- 2.Qa1#
- 1...Sb5!
- threat
- 1.Re1?
- threat
- 2.Qe5#
- 1...Sxd3
- 2.Sc2#
- 1...Bc5
- 2.Qxc5#
- 1...Qe8
- 2.Qxa7#
- 1...Qh8
- 2.Qxa7#
- 1...Bd5
- 2.Qa1#
- 1...Sd5
- 2.Be5#
- 1...Se4
- 2.Rxe4#
- 1...Sb5
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc4!
- threat
- 1.R1c4+?
- 1...Bxc4
- 2.Qa1#
- 1...Sxc4!
- 1...Bxc4
- 1.bxa8Q?
- threat
- 2.Q8xa7#
- 2.Qh8#
- 1...Sxd3
- 2.Sc2#
- 1...Bd5
- 2.Qa1#
- 2.Qh8#
- 1...Bc5
- 2.Qxc5#
- 2.Qh8#
- 1...Sb5
- 2.Qe4#
- 2.Qh8#
- 1...Bg8
- 2.Qa1#
- 2.Q8xa7#
- 1...Bb6
- 2.Qh8#
- 1...Bb8
- 2.Qc5#
- 1...Sh5
- 2.Be5#
- 2.Qe5#
- 2.Q5xa7#
- 2.Q8xa7#
- 1...Se6
- 2.Be5#
- 2.Qe5#
- 1...Sc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf5
- 2.Qe4#
- 2.Q8xa7#
- 1...Sb7
- 2.Qh8#
- 1...Sf7
- 2.Qe4#
- 2.Q8xa7#
- 1...Sc8
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 2.Q8xa7#
- 1...Sd5!
- threat
- 1.Bxf4?
- Keys
- 1.Re7!
- threat
- 2.Qe5#
- 1...Sxd3
- 2.Sc6#
- 1...Qh8
- 2.Qxa7#
- 1...Bd5
- 2.Qa1#
- 1...Be6
- 2.Qa1#
- 1...Bc5
- 2.Qxc5#
- 1...Sd5
- 2.Be5#
- 1...Sc4
- 2.Re4#
- 1...Sb5
- 2.Re4#
- 1...Sf7
- 2.Re4#
- threat
- 1.Re7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 6
- Sets
- B(a);OGATE::QAB(G)
- B(a);OGATE,P_PINP(E)::QAB(G)
- B(f);N_GUARD::QAB1(G),XB(f)
- B(f);N_GUARD::QAB1(G)
- Tries
- Try
- B(D);XS(c)
- Threat
- DUALS(3)
- Vars
- Q(g);N_GUARD::QAB(G),XB(f)
- B(f);N_GUARD::QAB1(G),XB(f)
- S(d);S_CUTB(a)::QAR1(G)
- S(d);::B(D)
- Refutation
- S(d);
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- Q(g);XP(H)::S(F)
- S(c);P_SPINS(c),XP(E)::QAB1(G)
- B(a);OGATE::QAB(G)
- B(f);N_GUARD::QAB1(G),XB(f)
- Q(g);::S(F)
- Refutation
- S(d);
- Try
- R(A);
- Threat
- QAB1(G)
- Vars
- S(c);SBLOCK,XP(E)::S(F)
- B(f);N_GUARD::QAB1(G),XB(f)
- Q(g);N_GUARD::QAB(G),XB(f)
- B(a);OGATE::QAB(G)
- S(c);OGATE::B(D)
- S(d);N_GUARD::R1(A),XS(d)
- S(d);N_GUARD::R1(A)
- Refutation
- S(d);
- Try
- R(A);CHECK
- Vars
- B(a);OGATE,P_PINP(E),XR(A)::QAB(G)
- Refutation
- S(d);XR(A)
- Try
- P(H);XQ(g)
- Threat
- DUALS(2)
- Vars
- S(c);SBLOCK,XP(E)::S(F)
- B(f);::QAB(H)
- B(f);N_GUARD::QAB1(G)
- S(d);N_GUARD::QAR1(H)
- S(d);N_GUARD::QAR1(H),XS(d)
- S(d);::QAB(H)
- Refutation
- S(c);
- Try
- Actual
- R(I);
- Threat
- QAB1(G)
- Vars
- S(c);SBLOCK,XP(E)::S(F)
- Q(g);N_GUARD::QAB(G),XB(f)
- B(a);OGATE::QAB(G)
- B(f);N_GUARD::QAB1(G),XB(f)
- S(c);OGATE::B(D)
- S(d);N_GUARD::R1(I)
Developed and maintained by Brian Stephenson.
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