MESON Chess Problem Database
Problem Display
PID: 7217 (8/4K3/3P4/5N2/B2P1Qp1/B1kP1np1/1pP3P1/1R6 w - - 0 1)
Ulanov, Lev
The Problemist, 1998
#2
11 + 5
| 35 | L'Italia Scacchistica | 2000 |
SOLUTION
- SOUND
- Tries
- 1.Sxg3?
- threat
- 2.Se2#
- 1...Sxd4
- 2.Se4#
- 1...Sg1!
- threat
- 1.Qe3?
- 1...Sxd4
- 2.Qe1#
- 1...Se1
- 2.Qxe1#
- 1...Sg1
- 2.Qe1#
- 1...Sh2
- 2.Qe1#
- 1...Sh4
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Sg5
- 2.Qe1#
- 1...Sd2!
- 1...Sxd4
- 1.Qe5?
- threat
- 2.Qa5#
- 1...Kd2
- 2.Bb4#
- 1...Sxe5!
- threat
- 1.Qxf3?
- 1...Kd2
- 2.Bb4#
- 1...gxf3!
- 1...Kd2
- 1.Qe4?
- 1...Kd2
- 2.Bb4#
- 1...Sxd4
- 2.Qe1#
- 1...Se1
- 2.Qxe1#
- 1...Sg1
- 2.Qe1#
- 1...Sh2
- 2.Qe1#
- 1...Sh4
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Sg5
- 2.Qe1#
- 1...Sd2!
- 1...Kd2
- 1.Sxg3?
- Keys
- 1.Qc1!
- 1...Sxd4
- 2.Qe1#
- 1...bxc1Q
- 2.Bb4#
- 1...bxc1S
- 2.Bb4#
- 1...bxc1B
- 2.Bb4#
- 1...bxc1R
- 2.Bb4#
- 1...Se1
- 2.Qxe1#
- 1...Sg1
- 2.Qe1#
- 1...Sd2
- 2.Qxb2#
- 1...Sh2
- 2.Qe1#
- 1...Sh4
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Sg5
- 2.Qe1#
- 1...Sxd4
- 1.Qc1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(I);XP(d)
- Threat
- S(I)
- Vars
- S(c);SBLOCK,XP(G)::S(I)
- Refutation
- S(c);
- Try
- Q(H);
- Vars
- S(c);N_GUARD,XP(G)::QAB(H)
- S(c);N_GUARD::QAB(H),XS(c)
- S(c);N_GUARD::QAB(H)
- Refutation
- S(c);
- Try
- Q(H);
- Threat
- QAB(H)
- Vars
- K(b);S_FLIGHT::B(D)
- Refutation
- S(c);XQ(H)
- Try
- Q(H);XS(c)
- Vars
- K(b);S_FLIGHT::B(D)
- Refutation
- P(e);XQ(H)
- Try
- Q(H);
- Vars
- K(b);S_FLIGHT::B(D)
- S(c);N_GUARD,XP(G)::QAB(H)
- S(c);N_GUARD::QAB(H),XS(c)
- S(c);N_GUARD::QAB(H)
- Refutation
- S(c);
- Try
- Actual
- Q(H);
- Vars
- S(c);N_GUARD,XP(G)::QAB(H)
- P(a);XQ(H)::B(D)
- S(c);N_GUARD::QAB(H),XS(c)
- S(c);N_GUARD::QAB(H)
- S(c);SBLOCK::QAB1(H),XP(a)
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