MESON Chess Problem Database
Problem Display
PID: 256519 (5N2/B2R4/2k1p3/1p6/PP4p1/2p3p1/5nK1/1Q6 w - - 0 1)
Maximov, Nikolai J
Wiener Schachzeitung, 1899
#2
7 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...c2
- 2.Qxc2#
- 1...bxa4
- 2.b5#
- 1...e5
- 2.Qg6#
- 1...Sd1
- Tries
- 1.Bxf2?
- threat
- 2.Qe4#
- 1...bxa4
- 2.b5#
- 1...c2
- 2.Qxc2#
- 1...gxf2!
- threat
- 1.Be3?
- 1...bxa4
- 2.b5#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...c2
- 2.Qxc2#
- 1...e5
- 2.Qg6#
- 1...Sd3!
- 1...bxa4
- 1.Bd4?
- 1...bxa4
- 2.b5#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...c2
- 2.Qxc2#
- 1...e5
- 2.Qg6#
- 1...Sd3!
- 1...bxa4
- 1.Qa2?
- threat
- 2.Qxe6#
- 1...bxa4
- 2.Qc4#
- 2.Qxa4#
- 1...e5
- 2.Qd5#
- 2.Qe6#
- 1...Se4!
- threat
- 1.Qc2?
- threat
- 2.Qxc3#
- 1...bxa4
- 2.Qxa4#
- 1...Sd1
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sd3!
- threat
- 1.Qd3?
- threat
- 2.Qxb5#
- 2.Qxc3#
- 2.Qd6#
- 2.axb5#
- 1...bxa4
- 2.Qc4#
- 2.Qa6#
- 2.b5#
- 1...Sd1
- 2.Qe4#
- 2.Qxb5#
- 2.Qd6#
- 2.axb5#
- 1...Se4
- 2.Qxe4#
- 2.Qxb5#
- 2.axb5#
- 1...c2
- 2.Qxc2#
- 2.Qxb5#
- 2.Qc3#
- 2.Qd6#
- 2.axb5#
- 1...Sxd3!
- threat
- 1.Qf5?
- threat
- 2.Qxe6#
- 2.Qxb5#
- 2.Qc5#
- 2.axb5#
- 1...bxa4
- 2.Qc5#
- 2.b5#
- 1...Sd3
- 2.Qe4#
- 2.Qxe6#
- 2.Qxb5#
- 2.axb5#
- 1...Se4
- 2.Qxe4#
- 2.Qxb5#
- 2.axb5#
- 1...e5
- 2.Qe6#
- 2.Qg6#
- 2.Qf6#
- 1...exf5!
- threat
- 1.Qg6?
- threat
- 2.Qxe6#
- 1...Se4
- 2.Qxe4#
- 1...bxa4!
- threat
- 1.Qh7?
- 1...Sd3
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...c2
- 2.Qxc2#
- 1...e5
- 2.Qg6#
- 2.Qh6#
- 1...bxa4!
- 1...Sd3
- 1.Qe1?
- threat
- 2.Qxc3#
- 2.Qxe6#
- 1...Sd3
- 2.Qe4#
- 2.Qxe6#
- 1...Sd1
- 2.Qe4#
- 2.Qxe6#
- 1...Se4
- 2.Qxe4#
- 1...c2
- 2.Qc3#
- 2.Qxe6#
- 1...e5
- 2.Qxc3#
- 1...bxa4!
- threat
- 1.Qf1?
- threat
- 2.Qxb5#
- 2.axb5#
- 1...bxa4
- 2.Qc4#
- 2.Qa6#
- 2.b5#
- 1...Sd3!
- threat
- 1.Qb3?
- threat
- 2.Qxe6#
- 2.Qxc3#
- 1...bxa4
- 2.Qxa4#
- 2.Qc4#
- 2.b5#
- 1...Sd3
- 2.Qxe6#
- 1...Sd1
- 2.Qxe6#
- 1...c2
- 2.Qxc2#
- 2.Qxe6#
- 2.Qc3#
- 1...e5
- 2.Qd5#
- 2.Qe6#
- 2.Qxc3#
- 1...Se4!
- threat
- 1.a5?
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...c2
- 2.Qxc2#
- 1...e5
- 2.Qg6#
- 1...Sd3!
- 1...Sd1
- 1.Bxf2?
- Keys
- 1.Kxg3!
- 1...Sh1+
- 2.Qxh1#
- 1...Se4+
- 2.Qxe4#
- 1...bxa4
- 2.b5#
- 1...Sd3
- 2.Qh1#
- 1...Sd1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 2.Qh1#
- 1...c2
- 2.Qxc2#
- 1...e5
- 2.Qg6#
- 1...Sh1+
- 1.Kxg3!
This is a version
Version by Udo Degener, Albrecht Collection.
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::QAB(A)
- S(a);N_GUARD::QAB(A),XS(a)
- P(b);OGATEB::QAR(A),XP(b)
- P(e);OGATE,XP(C)::P(D)
- P(g);OGATEB::QAR(A)
- Tries
- Try
- B(E);XS(a)
- Threat
- QAB(A)
- Vars
- P(e);OGATE,XP(C)::P(D)
- P(b);OGATEB::QAR(A),XP(b)
- Refutation
- P(c);XB(E)
- Try
- B(E);
- Vars
- P(e);OGATE,XP(C)::P(D)
- S(a);N_GUARD::QAB(A)
- S(a);N_GUARD::QAB(A),XS(a)
- P(b);OGATEB::QAR(A),XP(b)
- P(g);OGATEB::QAR(A)
- Refutation
- S(a);
- Try
- B(E);
- Vars
- P(e);OGATE,XP(C)::P(D)
- S(a);N_GUARD::QAB(A)
- S(a);N_GUARD::QAB(A),XS(a)
- P(b);OGATEB::QAR(A),XP(b)
- P(g);OGATEB::QAR(A)
- Refutation
- S(a);
- Try
- Q(A);
- Threat
- QAR2(A),XP(g)
- Refutation
- S(a);
- Try
- Q(A);P_PINP(b)
- Threat
- QAR(A),XP(b)
- Vars
- P(e);OGATE,XP(C)::QAB(A),XP(e)
- S(a);N_GUARD::QAB(A)
- S(a);N_GUARD::QAB(A),XS(a)
- Refutation
- S(a);
- Try
- Q(A);
- Threat
- DUALS(4)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(4)
- Refutation
- P(g);XQ(A)
- Try
- Q(A);P_PINP(g)
- Threat
- QAR2(A),XP(g)
- Vars
- S(a);N_GUARD::QAB(A),XS(a)
- Refutation
- P(e);XP(C)
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB(A)
- S(a);N_GUARD::QAB(A),XS(a)
- P(b);OGATEB::QAR(A),XP(b)
- Refutation
- P(e);XP(C)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAB(A),XS(a)
- P(g);::QAR(A),XP(b)
- Refutation
- P(e);XP(C)
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- S(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(a);::QAR2(A),XP(g)
- Refutation
- S(a);
- Try
- P(C);
- Vars
- S(a);N_GUARD::QAB(A)
- S(a);N_GUARD::QAB(A),XS(a)
- P(b);OGATEB::QAR(A),XP(b)
- P(g);OGATEB::QAR(A)
- Refutation
- S(a);
- Try
- Actual
- K(B);P-FLIGHT,XP(c)
- Vars
- S(a);CHECK,N_GUARD::QAB(A),XS(a)
- P(e);OGATE,XP(C)::P(D)
- S(a);N_GUARD::QAB(A)
- P(b);OGATEB::QAR(A),XP(b)
- P(g);OGATEB::QAR(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).