MESON Chess Problem Database
Problem Display
PID: 35626 (8/2p5/2P4p/3np2N/1n1Nk2K/7R/7B/3Q4 w - - 0 1)
Jaeger, Peter R
Comm., Neue Zurcher Zeitung, 1991-1992
#2
7 + 6
| 3454 | kunstschach (1987-1996) (Hoffmann) | 2001 |
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa6
- 2.Qd3#
- 1...Sxc6
- 2.Qd3#
- 1...Sc3
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...exd4
- 2.Qf3#
- 1...Sa2
- Tries
- 1.Kg4?
- 1...Sf6+
- 2.Sxf6#
- 1...Sxc6
- 2.Qd3#
- 1...exd4
- 2.Qf3#
- 2.Qh1#
- 1...Sd3
- 2.Qxd3#
- 1...Sc3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Se3+!
- 1...Sf6+
- 1.Sc2?
- threat
- 2.Qf3#
- 1...Kf5
- 2.Qg4#
- 1...Sxc2
- 2.Qd3#
- 1...Sf4
- 2.Sg3#
- 1...Se3!
- threat
- 1.Se6?
- threat
- 2.Qf3#
- 1...Kf5
- 2.Qg4#
- 1...Se3
- 2.Sg3#
- 1...Sf4!
- threat
- 1.Sg3+?
- 1...Kf4
- 2.Qf3#
- 1...Ke3!
- 1...Kf4
- 1.Ra3?
- 1...Sxc6
- 2.Qd3#
- 1...exd4
- 2.Qf3#
- 1...Sd3
- 2.Qxd3#
- 1...Se3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sc3!
- 1...Sxc6
- 1.Rb3?
- 1...Sxc6
- 2.Qd3#
- 1...exd4
- 2.Qf3#
- 1...Sd3
- 2.Qxd3#
- 1...Se3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sc3!
- 1...Sxc6
- 1.Rc3?
- 1...Sxc6
- 2.Qd3#
- 1...exd4
- 2.Qf3#
- 1...Sd3
- 2.Qxd3#
- 1...Se3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sxc3!
- 1...Sxc6
- 1.Rd3?
- threat
- 2.Qf3#
- 1...Se3
- 2.Sf6#
- 1...Sxd3!
- threat
- 1.Re3+?
- 1...Sxe3
- 2.Sf6#
- 1...Kxe3!
- 1...Sxe3
- 1.Rf3?
- threat
- 2.Sg3#
- 1...Sd3
- 2.Qxd3#
- 1...Sc3
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...exd4!
- threat
- 1.Qd2?
- threat
- 2.Sg3#
- 1...Sd3
- 2.Qxd3#
- 1...Sc3
- 2.Sf6#
- 1...Se3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...exd4!
- threat
- 1.Kg4?
- Keys
- 1.Sf5!
- threat
- 2.Qf3#
- 1...Kxf5
- 2.Qg4#
- 1...Se3
- 2.Sfg3#
- 1...Sf4
- 2.Shg3#
- threat
- 1.Sf5!
Anticipated by 49705(1958), 23360(1971-1972)
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD,XP(G)::QAB1(A)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- P(d);SBLOCK,XS(D)::QAB1(A)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- S(c);CHECK,N_GUARD::S(F),XS(c)
- S(a);N_GUARD,XP(G)::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(c);N_GUARD::S(F)
- S(a);N_GUARD::QAB1(A)
- Refutation
- S(c);CHECK
- Try
- S(D);
- Threat
- QAB1(A)
- Vars
- K(b);S_FLIGHT::QAB1(A)
- S(a);N_GUARD,XS(D)::QAB1(A)
- S(c);SBLOCK::S(F)
- Refutation
- S(c);
- Try
- S(D);
- Threat
- QAB1(A)
- Vars
- K(b);S_FLIGHT::QAB1(A)
- S(c);SBLOCK::S(F)
- Refutation
- S(c);
- Try
- S(F);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- Refutation
- K(b);P-FLIGHT
- Try
- R(C);
- Vars
- S(a);N_GUARD,XP(G)::QAB1(A)
- P(d);SBLOCK,XS(D)::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- S(a);N_GUARD::QAB1(A)
- Refutation
- S(c);
- Try
- R(C);
- Vars
- S(a);N_GUARD,XP(G)::QAB1(A)
- P(d);SBLOCK,XS(D)::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- S(a);N_GUARD::QAB1(A)
- Refutation
- S(c);
- Try
- R(C);
- Vars
- S(a);N_GUARD,XP(G)::QAB1(A)
- P(d);SBLOCK,XS(D)::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- S(a);N_GUARD::QAB1(A)
- Refutation
- S(c);XR(C)
- Try
- R(C);
- Threat
- QAB1(A)
- Vars
- S(c);N_GUARD::S(F)
- Refutation
- S(a);XR(C)
- Try
- R(C);CHECK
- Vars
- S(c);SBLOCK,XR(C)::S(F)
- Refutation
- K(b);P-FLIGHT,XR(C)
- Try
- R(C);
- Threat
- S(F)
- Vars
- S(a);N_GUARD::QAB1(A),XS(a)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- Refutation
- P(d);XS(D)
- Try
- Q(A);
- Threat
- S(F)
- Vars
- S(a);N_GUARD::QAB1(A),XS(a)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- Refutation
- P(d);XS(D)
- Try
- Actual
- S(D);
- Threat
- QAB1(A)
- Vars
- K(b);S_FLIGHT,XS(D)::QAB1(A)
- S(c);SBLOCK::S(D)
- S(c);SBLOCK::S(F)
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).