MESON Chess Problem Database
Problem Display
PID: 76060 (Q7/3n4/2p1N3/3k1K2/5B2/1P6/8/4b3 w - - 0 1)
Beuster, Michael
Troll, 2003
#2
5 + 4
SOLUTION
- SOUND
- Tries
- 1.Qa3?
- threat
- 2.Qd6#
- 1...c5
- 2.Qa8#
- 1...Sc5
- 2.Qxc5#
- 1...Se5
- 2.Qc5#
- 1...Bb4!
- threat
- 1.Qa4?
- threat
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 1...Se5
- 2.Qd4#
- 1...Bf2
- 2.Qc4#
- 2.Qe4#
- 1...Bc3
- 2.Qc4#
- 2.Qe4#
- 1...Sc5
- 2.Sc7#
- 2.Qc4#
- 2.Qd4#
- 1...Sb6
- 2.Qd4#
- 2.Qe4#
- 1...Sf6
- 2.Qc4#
- 2.Qd4#
- 1...c5
- 2.Sc7#
- 2.Qxd7#
- 2.Qe4#
- 2.Qa8#
- 1...Bb4!
- threat
- 1.Qa5+?
- 1...Sc5
- 2.Qxc5#
- 1...c5
- 2.Qa8#
- 1...Bxa5!
- 1...Sc5
- 1.Qa6?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Bf2
- 2.Qc4#
- 1...Bc3
- 2.Qc4#
- 1...Sc5
- 2.Qc4#
- 1...Sb6
- 2.Qd3#
- 1...c5
- 2.Qb7#
- 2.Qd6#
- 2.Qa8#
- 1...Se5!
- threat
- 1.Qa7?
- threat
- 2.Sc7#
- 2.Qd4#
- 2.Qxd7#
- 1...Se5
- 2.Qd4#
- 2.Qc5#
- 1...c5
- 2.Qb7#
- 2.Qxd7#
- 2.Qa8#
- 1...Bf2
- 2.Sc7#
- 2.Qxd7#
- 1...Bc3
- 2.Sc7#
- 2.Qxd7#
- 1...Bb4
- 2.Sc7#
- 2.Qd4#
- 1...Ba5
- 2.Qd4#
- 2.Qxd7#
- 1...Sc5
- 2.Qxc5#
- 1...Sf6
- 2.Sc7#
- 2.Qd4#
- 2.Qc5#
- 1...Sb8
- 2.Sc7#
- 2.Qd4#
- 2.Qc5#
- 1...Sf8
- 2.Sc7#
- 2.Qd4#
- 2.Qc5#
- 1...Sb6!
- threat
- 1.Qh8?
- threat
- 2.Qd4#
- 2.Qh1#
- 1...Se5
- 2.Qxe5#
- 1...c5
- 2.Qh1#
- 2.Qa8#
- 1...Bf2
- 2.Qh1#
- 1...Bc3
- 2.Qh1#
- 1...Bh4
- 2.Qd4#
- 1...Sc5
- 2.Sc7#
- 2.Qd4#
- 2.Qe5#
- 1...Sf6!
- threat
- 1.Qa3?
- Keys
- 1.Qa1!
- threat
- 2.Qd4#
- 1...c5
- 2.Qa8#
- 1...Bf2
- 2.Qh1#
- 1...Bc3
- 2.Qh1#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(E);N_PINP(c)
- Threat
- QAR1(E)
- Vars
- P(c);OGATEB::QAB(E)
- S(d);N_GUARD::QAR1(E),XS(d)
- S(d);N_GUARD::QAR1(E)
- Refutation
- B(a);
- Try
- Q(E);N_PINP(c)
- Threat
- DUALS(3)
- Vars
- S(d);::QAR1(E)
- Refutation
- B(a);
- Try
- Q(E);CHECK,N_PINP(c)
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAR1(E),XS(d)
- P(c);OGATEB,P_SPINP(c)::QAB(E)
- Refutation
- B(a);XQ(E)
- Try
- Q(E);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(E)
- S(d);::QAB1(E)
- S(d);::QAR2(E)
- Refutation
- S(d);
- Try
- Q(E);N_PINP(c)
- Threat
- DUALS(3)
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- Refutation
- S(d);
- Try
- Q(E);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- B(a);::QAB(E)
- B(a);::QAR1(E)
- Refutation
- S(d);
- Try
- Actual
- Q(E);N_PINP(c)
- Threat
- QAR1(E)
- Vars
- P(c);OGATEB::QAB(E)
- B(a);OGATE::QAB(E)
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