MESON Chess Problem Database
Problem Display
PID: 129800 (8/2pp2K1/3B4/1pPk1Pp1/1p2p1P1/1P1NP3/2n5/7Q w - - 0 1)
Bernstein, Osip Samolovich
Rivista Schachzeitung, 1902
#2
9 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kc6
- 2.Qxe4#
- 1...Sa1
- 2.Sxb4#
- 1...Se1
- 2.Sxb4#
- 1...Sa3
- 2.Sxb4#
- 1...Sd4
- 2.Sxb4#
- 1...Kc6
- Tries
- 1.Sf2?
- threat
- 2.Qxe4#
- 1...Kc6
- 2.Qxe4#
- 1...cxd6!
- threat
- 1.Sf4+?
- 1...Kc6
- 2.Qxe4#
- 1...gxf4!
- 1...Kc6
- 1.Qh8?
- 1...Kc6
- 2.Qa8#
- 1...exd3
- 2.Qh1#
- 1...cxd6
- 2.Qa8#
- 1...Sa1
- 2.Sxb4#
- 1...Se1
- 2.Sxb4#
- 1...Sa3
- 2.Sxb4#
- 1...Sd4
- 2.Sxb4#
- 1...c6
- 2.Qg8#
- 1...Sxe3!
- 1...Kc6
- 1.Sf2?
- Keys
- 1.Qa1!
- 1...Kc6
- 2.Qa8#
- 1...Sxa1
- 2.Sxb4#
- 1...Sxe3
- 2.Sxb4#
- 1...exd3
- 2.Qh1#
- 1...cxd6
- 2.Qa8#
- 1...Se1
- 2.Sxb4#
- 1...Sa3
- 2.Sxb4#
- 1...Sd4
- 2.Sxb4#
- 1...c6
- 2.Qe5#
- 1...Kc6
- 1.Qa1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(e);S_FLIGHT::QAB(A),XP(c)
- S(a);N_GUARD::S(C),XP(b)
- Tries
- Try
- S(C);
- Threat
- QAB1(A),XP(c)
- Vars
- K(e);S_FLIGHT::QAB(A),XP(c)
- Refutation
- P(g);XB(H)
- Try
- S(C);CHECK
- Vars
- K(e);S_FLIGHT::QAB(A),XP(c)
- Refutation
- P(f);XS(C)
- Try
- Q(A);N_PINP(c)
- Vars
- K(e);S_FLIGHT::QAB(A)
- P(c);OGATEB,XS(C)::QAB(A)
- P(g);N_GUARD,XB(H)::QAB(A)
- S(a);N_GUARD::S(C),XP(b)
- P(g);SBLOCK::QAB(A)
- Refutation
- S(a);XP(D)
- Try
- Actual
- Q(A);N_PINP(c)
- Vars
- K(e);S_FLIGHT::QAB(A)
- S(a);N_GUARD,XQ(A)::S(C),XP(b)
- S(a);N_GUARD,XP(D)::S(C),XP(b)
- P(c);OGATEB,XS(C)::QAB(A)
- P(g);N_GUARD,XB(H)::QAB(A)
- S(a);N_GUARD::S(C),XP(b)
- P(g);SBLOCK::QAR1(A)
Developed and maintained by Brian Stephenson.
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