MESON Chess Problem Database
Problem Display
PID: 261384 (7B/3nQp2/2p1P2K/3kp3/r2p4/1PP2R1B/3p1NN1/8 w - - 0 1)
Kuzovkov, Aleksandr S
Neue Zurcher Zeitung, 1994
#2
10 + 8
| 5454 | Near Snap | 2022 |
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.c4#
- 1...Ra2
- 2.c4#
- 1...Ra3
- 2.c4#
- 1...Ra5
- 2.c4#
- 1...Ra6
- 2.c4#
- 1...Ra7
- 2.c4#
- 1...Ra8
- 2.c4#
- 1...d3
- 2.Se3#
- 1...e4
- 2.Sf4#
- 1...c5
- 2.Qxd7#
- 1...fxe6
- 2.Bxe6#
- 1...Ra1
- Tries
- 1.Rd3?
- threat
- 2.Se3#
- 1...c5
- 2.Qxd7#
- 1...d1S!
- threat
- 1.Rf5?
- threat
- 2.Sf4#
- 1...c5
- 2.Qxd7#
- 1...d3
- 2.Se3#
- 1...dxc3!
- threat
- 1.cxd4?
- threat
- 2.Qxd7#
- 1...Kxd4
- 2.Rd3#
- 2.Qd6#
- 1...Rxd4
- 2.Se3#
- 1...exd4
- 2.Sf4#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Ra7!
- threat
- 1.exd7?
- threat
- 2.Qxe5#
- 2.d8Q#
- 2.d8R#
- 1...dxc3
- 2.Qxe5#
- 2.d8Q#
- 2.d8R#
- 1...d1Q
- 2.Qxe5#
- 2.d8Q#
- 2.d8R#
- 1...d1S
- 2.Qxe5#
- 2.d8Q#
- 2.d8R#
- 1...d1B
- 2.Qxe5#
- 2.d8Q#
- 2.d8R#
- 1...d1R
- 2.Qxe5#
- 2.d8Q#
- 2.d8R#
- 1...Ra1
- 2.Qxe5#
- 2.c4#
- 2.d8Q#
- 2.d8R#
- 1...Ra2
- 2.Qxe5#
- 2.c4#
- 2.d8Q#
- 2.d8R#
- 1...Ra3
- 2.Qxe5#
- 2.c4#
- 2.d8Q#
- 2.d8R#
- 1...Rb4
- 2.Qxe5#
- 2.d8Q#
- 2.d8R#
- 1...Rc4
- 2.Qxe5#
- 2.d8Q#
- 2.d8R#
- 1...Ra5
- 2.Qxe5#
- 2.c4#
- 2.d8Q#
- 2.d8R#
- 1...Ra6
- 2.Qxe5#
- 2.c4#
- 2.d8Q#
- 2.d8R#
- 1...Ra7
- 2.Qxe5#
- 2.c4#
- 1...Ra8
- 2.Qxe5#
- 2.c4#
- 1...d3
- 2.Se3#
- 2.Qxe5#
- 2.d8Q#
- 2.d8R#
- 1...e4
- 2.Sf4#
- 2.Rf5#
- 2.Qe5#
- 2.d8Q#
- 2.d8R#
- 1...f5
- 2.Qxe5#
- 2.d8Q#
- 2.d8R#
- 1...f6
- 2.Be6#
- 2.d8Q#
- 2.d8R#
- 1...c5!
- threat
- 1.exf7?
- threat
- 2.Be6#
- 1...c5
- 2.Qe6#
- 2.Qxd7#
- 1...Sc5
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...dxc3!
- threat
- 1.Rd3?
- Keys
- 1.Bxe5!
- threat
- 2.Qd6#
- 1...Kxe5
- 2.Rf5#
- 1...Sxe5
- 2.Sf4#
- threat
- 1.Bxe5!
This anticipates 67555(1997)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- R(b);N_GUARD::P(D)
- P(c);N_GUARD::S(B)
- P(e);N_GUARD::S(B)
- P(f);SBLOCK::QAR2(I),XS(g)
- P(h);OGATE,XP(G)::B(F),XP(h)
- Tries
- Try
- R(E);P_PINP(c)
- Threat
- S(B)
- Vars
- P(f);SBLOCK::QAR2(I),XS(g)
- Refutation
- P(a);
- Try
- R(E);P_PINP(e)
- Threat
- S(B)
- Vars
- P(f);SBLOCK::QAR2(I),XS(g)
- P(c);N_GUARD::S(B)
- Refutation
- P(c);XP(D)
- Try
- P(D);XP(c)
- Threat
- QAR2(I),XS(g)
- Vars
- R(b);SBLOCK,XP(D)::S(B)
- P(e);N_GUARD,XP(D)::S(B)
- S(g);N_GUARD::QAR1(I),XS(g)
- S(g);N_GUARD::QAR1(I)
- Refutation
- R(b);
- Try
- P(G);XS(g)
- Threat
- DUALS(3)
- Refutation
- P(f);
- Try
- P(G);XP(h)
- Threat
- B(F)
- Vars
- S(g);N_GUARD,SBLOCK::QAR1(I),XP(e)
- S(g);N_GUARD::QAR1(I),XP(e)
- Refutation
- P(c);XP(D)
- Try
- Actual
- B(J);XP(e)
- Threat
- QAR1(I)
- Vars
- K(d);OGATEB,P-FLIGHT,XB(J)::R1(E)
- S(g);SBLOCK,XB(J)::S(B)
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).