MESON Chess Problem Database
Problem Display
PID: 30100 (8/3nB3/7q/R3pN2/1pk1B3/1N6/1Q6/Kn1b4 w - - 0 1)
Shire, David J
2nd Prize, Het Belgisch Schaakbord TT, 1987-1988
#2
7 + 7
| 3256 | David Shire Selected Chess Problems | 2001 |
| 5110 | Bekroonde Problemen | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sd6#
- 1...Qe3
- 2.Sxe3#
- 2.Sd6#
- 1...Qf4
- 2.Sd6#
- 1...Qg5
- 2.Sd6#
- 1...Qg7
- 2.Se3#
- 2.Sd6#
- 1...Qf8
- 2.Se3#
- 2.Sd6#
- 1...Qh1
- 2.Se3#
- 2.Sd6#
- 1...Qh2
- 2.Se3#
- 2.Sd6#
- 1...Qh3
- 2.Sd6#
- 1...Qh4
- 2.Se3#
- 2.Sd6#
- 1...Qh5
- 2.Se3#
- 2.Sd6#
- 1...Qa6
- 2.Se3#
- 1...Qc6
- 2.Se3#
- 1...Qd6
- 2.Se3#
- 2.Sxd6#
- 1...Qe6
- 2.Se3#
- 1...Qf6
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 1...Qh7
- 2.Se3#
- 2.Sd6#
- 1...Qh8
- 2.Se3#
- 2.Sd6#
- 1...Sc5
- 2.Rxc5#
- 1...Sb6
- 2.Rc5#
- 1...Sf6
- 2.Sd6#
- 2.Rc5#
- 1...Sb8
- 2.Rc5#
- 1...Sf8
- 2.Rc5#
- 1...Qc1
- Tries
- 1.Sc1?
- threat
- 2.Bd3#
- 2.Bd5#
- 2.Qxb4#
- 1...Qxc1
- 2.Sd6#
- 2.Qxb4#
- 1...Qe3
- 2.Sxe3#
- 2.Sd6#
- 2.Bd5#
- 2.Qxb4#
- 1...Qh1
- 2.Se3#
- 2.Sd6#
- 2.Bd3#
- 2.Qxb4#
- 1...Qh3
- 2.Sd6#
- 2.Bd5#
- 2.Qxb4#
- 1...Qb6
- 2.Bd3#
- 2.Bd5#
- 1...Qc6
- 2.Se3#
- 2.Bd3#
- 2.Qxb4#
- 1...Qd6
- 2.Se3#
- 2.Sxd6#
- 1...Qe6
- 2.Se3#
- 2.Bd3#
- 2.Qxb4#
- 1...Bc2
- 2.Bd5#
- 2.Qxb4#
- 1...Be2
- 2.Bd5#
- 2.Qb3#
- 2.Qxb4#
- 1...Bb3
- 2.Bd3#
- 2.Bd5#
- 2.Qxb3#
- 1...Bf3
- 2.Bd3#
- 2.Qb3#
- 2.Qxb4#
- 1...Sc3
- 2.Bd3#
- 2.Qxb4#
- 1...Sc5
- 2.Rxc5#
- 1...Sb6
- 2.Bd3#
- 2.Rc5#
- 2.Qxb4#
- 1...Sf6
- 2.Sd6#
- 2.Bd3#
- 2.Rc5#
- 2.Qxb4#
- 1...b3
- 2.Bd3#
- 2.Bd5#
- 1...Qd2!
- threat
- 1.Sd2+?
- 1...Sxd2
- 2.Qxb4#
- 1...Qxd2!
- 1...Sxd2
- 1.Bg5?
- threat
- 2.Se3#
- 1...Qxg5
- 2.Sd6#
- 1...Qh3
- 2.Sd6#
- 1...Qb6!
- threat
- 1.Bf6?
- threat
- 2.Sd6#
- 1...Qxf6
- 2.Se3#
- 1...Qf8
- 2.Se3#
- 1...Qd2!
- threat
- 1.Qd4+?
- 1...Kxb3
- 2.Qxb4#
- 1...exd4!
- 1...Kxb3
- 1.Qc2+?
- 1...Sc3
- 2.Bd3#
- 2.Bd5#
- 1...Bxc2!
- 1...Sc3
- 1.Sc1?
- Keys
- 1.Sbd4!
- threat
- 2.Qxb4#
- 1...Qd2
- 2.Sd6#
- 1...Qb6
- 2.Se3#
- 1...Qd6
- 2.Se3#
- 2.Sxd6#
- 1...Bb3
- 2.Qxb3#
- 1...Sc5
- 2.Rxc5#
- 1...b3
- 2.Ra4#
- threat
- 1.Sbd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 12
- Sets
- Q(f);N_GUARD::S(F)
- Q(f);N_GUARD,P_PINR(E)::S(F)
- S(g);N_GUARD::R1(E),XS(g)
- S(g);N_GUARD::R1(E)
- Tries
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- S(g);N_GUARD::R1(E),XS(g)
- Refutation
- Q(f);
- Try
- S(C);CHECK
- Vars
- S(a);XS(C)::QAR1(B),XP(c)
- Refutation
- Q(f);XS(C)
- Try
- B(G);
- Threat
- S(F)
- Vars
- Q(f);N_GUARD,XB(G)::S(F)
- Q(f);N_GUARD::S(F)
- Refutation
- Q(f);
- Try
- B(G);
- Threat
- S(F)
- Vars
- Q(f);N_GUARD,XB(G)::S(F)
- Q(f);N_GUARD::S(F)
- Refutation
- Q(f);
- Try
- Q(B);CHECK
- Vars
- K(d);OGATE,S_FLIGHT,XS(C)::QAR1(B),XP(c)
- Refutation
- P(e);XQ(B)
- Try
- Q(B);CHECK
- Refutation
- B(b);XQ(B)
- Try
- Actual
- S(C);
- Threat
- QAR1(B),XP(c)
- Vars
- Q(f);N_GUARD::S(F)
- B(b);N_GUARD::QAB1(B),XB(b)
- S(g);N_GUARD::R1(E),XS(g)
- P(c);OGATEB::R(E)
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