MESON Chess Problem Database
Problem Display
PID: 23837 (8/4nBp1/4K3/8/1pP1kb2/4N3/4PB2/Q3n3 w - - 0 1)
Bonivento, Oscar
3rd Comm., L'Italia Scacchistica, 1997
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Bxe3
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Bh6
- 2.Qe5#
- 1...Sd5
- 2.Bg6#
- 1...Sc6
- 2.Bg6#
- 1...Sg6
- 2.Bxg6#
- 1...Sc8
- 2.Bg6#
- 1...Sg8
- 2.Bg6#
- 1...Bxe3
- Tries
- 1.Sd1?
- threat
- 2.Qd4#
- 1...Be3
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Sf3
- 2.Qb1#
- 1...Sf5
- 2.Qa8#
- 1...Sc6
- 2.Bg6#
- 1...Sc2!
- threat
- 1.Sf1?
- threat
- 2.Qd4#
- 1...Be3
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Sf3
- 2.Qb1#
- 1...Sf5
- 2.Qa8#
- 1...Sc6
- 2.Bg6#
- 1...Sc2!
- threat
- 1.Sc2?
- threat
- 2.Qd4#
- 1...Sxc2
- 2.Qh1#
- 1...Be3
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Sf5
- 2.Qa8#
- 1...Sc6
- 2.Bg6#
- 1...Sf3!
- threat
- 1.Sg2?
- threat
- 2.Qd4#
- 1...Be3
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Sf3
- 2.Qb1#
- 1...Sf5
- 2.Qa8#
- 1...Sc6
- 2.Bg6#
- 1...Sc2!
- threat
- 1.Sd5?
- threat
- 2.Qd4#
- 1...Sc2
- 2.Qh1#
- 1...Be3
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Sf3
- 2.Qb1#
- 1...Sc6
- 2.Bg6#
- 1...Sf5!
- threat
- 1.Sf5?
- threat
- 2.Qd4#
- 1...Sxf5
- 2.Qa8#
- 1...Be3
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Sc2
- 2.Qh1#
- 1...Sf3
- 2.Qb1#
- 1...Sc6!
- threat
- 1.Bg6+?
- 1...Sf5
- 2.Bxf5#
- 1...Sxg6!
- 1...Sf5
- 1.Sd1?
- Keys
- 1.Sg4!
- threat
- 2.Qd4#
- 1...Be3
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Sc2
- 2.Qh1#
- 1...Sf3
- 2.Qb1#
- 1...Sf5
- 2.Qa8#
- 1...Sc6
- 2.Bg6#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- B(d);N_GUARD,XS(D)::QAR1(A)
- B(d);N_GUARD::QAR1(A),XB(d)
- B(d);N_GUARD::QAR1(A)
- S(e);N_GUARD::B(G)
- S(e);N_GUARD::B(G),XS(e)
- Tries
- Try
- S(D);
- Threat
- QAR1(A)
- Vars
- B(d);N_GUARD::QAR1(A)
- B(d);N_GUARD::QAR1(A),XB(d)
- S(a);N_GUARD::QAB(A)
- S(e);N_GUARD::QAB(A)
- S(e);N_GUARD::B(G)
- Refutation
- S(a);
- Try
- S(D);
- Threat
- QAR1(A)
- Vars
- B(d);N_GUARD::QAR1(A)
- B(d);N_GUARD::QAR1(A),XB(d)
- S(a);N_GUARD::QAB(A)
- S(e);N_GUARD::QAB(A)
- S(e);N_GUARD::B(G)
- Refutation
- S(a);
- Try
- S(D);
- Threat
- QAR1(A)
- Vars
- S(a);OGATE,XS(D)::QAB(A)
- B(d);N_GUARD::QAR1(A)
- B(d);N_GUARD::QAR1(A),XB(d)
- S(e);N_GUARD::QAB(A)
- S(e);N_GUARD::B(G)
- Refutation
- S(a);
- Try
- S(D);
- Threat
- QAR1(A)
- Vars
- B(d);N_GUARD::QAR1(A)
- B(d);N_GUARD::QAR1(A),XB(d)
- S(a);N_GUARD::QAB(A)
- S(e);N_GUARD::QAB(A)
- S(e);N_GUARD::B(G)
- Refutation
- S(a);
- Try
- S(D);
- Threat
- QAR1(A)
- Vars
- S(a);OGATE::QAB(A)
- B(d);N_GUARD::QAR1(A)
- B(d);N_GUARD::QAR1(A),XB(d)
- S(a);N_GUARD::QAB(A)
- S(e);N_GUARD::B(G)
- Refutation
- S(e);
- Try
- S(D);
- Threat
- QAR1(A)
- Vars
- S(e);N_GUARD,XS(D)::QAB(A)
- B(d);N_GUARD::QAR1(A)
- B(d);N_GUARD::QAR1(A),XB(d)
- S(a);OGATE::QAB(A)
- S(a);N_GUARD::QAB(A)
- Refutation
- S(e);
- Try
- B(G);CHECK
- Vars
- S(e);N_GUARD,P_SPINS(e)::B(G),XS(e)
- Refutation
- S(e);XB(G)
- Try
- Actual
- S(D);
- Threat
- QAR1(A)
- Vars
- B(d);N_GUARD::QAR1(A)
- B(d);N_GUARD::QAR1(A),XB(d)
- S(a);OGATE::QAB(A)
- S(a);N_GUARD::QAB(A)
- S(e);N_GUARD::QAB(A)
- S(e);N_GUARD::B(G)
Developed and maintained by Brian Stephenson.
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