MESON Chess Problem Database
Problem Display
PID: 230589 (8/1P2N3/p2r4/p1k2P2/K1N5/4P3/8/5Q2 w - - 0 1)
Baumann, Hannes
Schweizerische Schachzeitung, 1986
#2
7 + 4
SOLUTION
- SOUND
- Tries
- 1.Qh1?
- 1...Rd1
- 2.Qc6#
- 1...Rd2
- 2.Qc6#
- 1...Rd3
- 2.Qc6#
- 1...Rd4
- 2.Qc6#
- 1...Rd5
- 2.Qxd5#
- 1...Rb6
- 2.Qd5#
- 1...Rc6
- 2.Qd5#
- 2.Qxc6#
- 1...Re6
- 2.Qd5#
- 1...Rf6
- 2.Qd5#
- 1...Rg6
- 2.Qd5#
- 1...Rh6
- 2.Qd5#
- 1...Rd7
- 2.Qc6#
- 1...Rd8
- 2.Qc6#
- 1...Kxc4!
- 1...Rd1
- 1.Qf3?
- 1...Rd1
- 2.Qc6#
- 1...Rd2
- 2.Qc6#
- 1...Rd3
- 2.Qc6#
- 1...Rd4
- 2.Qc6#
- 1...Rd5
- 2.Qxd5#
- 1...Rb6
- 2.Qd5#
- 1...Rc6
- 2.Qd5#
- 2.Qxc6#
- 1...Re6
- 2.Qd5#
- 1...Rf6
- 2.Qd5#
- 1...Rg6
- 2.Qd5#
- 1...Rh6
- 2.Qd5#
- 1...Rd7
- 2.Qc6#
- 1...Rd8
- 2.Qc6#
- 1...Kxc4!
- 1...Rd1
- 1.Qf4?
- 1...Rd4
- 2.Qc7#
- 2.Qxd4#
- 1...Rd1
- 2.Qc7#
- 1...Rd2
- 2.Qc7#
- 1...Rd3
- 2.Qc7#
- 1...Rd5
- 2.Qc7#
- 1...Rb6
- 2.Qd4#
- 1...Rc6
- 2.Qd4#
- 1...Re6
- 2.Qd4#
- 1...Rf6
- 2.Qd4#
- 1...Rg6
- 2.Qd4#
- 1...Rh6
- 2.Qd4#
- 1...Rd8
- 2.Qc7#
- 1...Rd7!
- 1...Rd4
- 1.b8Q?
- threat
- 2.Qxd6#
- 1...Rd3
- 2.Qc7#
- 2.Qc8#
- 1...Rd1
- 2.Qa7#
- 2.Qc7#
- 2.Qb6#
- 2.Qc8#
- 1...Rd2
- 2.Qa7#
- 2.Qc7#
- 2.Qb6#
- 2.Qc8#
- 1...Rd4
- 2.Qa7#
- 2.Qc7#
- 2.Qb6#
- 2.Qc8#
- 1...Rd5
- 2.Qa7#
- 2.Qc7#
- 2.Qb6#
- 2.Qc8#
- 1...Rb6
- 2.Qe5#
- 2.Qxb6#
- 1...Rc6
- 2.Qe5#
- 1...Rf6
- 2.Qe5#
- 1...Rg6
- 2.Qe5#
- 1...Rh6
- 2.Qe5#
- 1...Rd7
- 2.Qb6#
- 1...Rd8
- 2.Qa7#
- 2.Qc7#
- 2.Qb6#
- 1...Re6!
- threat
- 1.b8S?
- 1...Rd1
- 2.Sxa6#
- 1...Rd2
- 2.Sxa6#
- 1...Rd4
- 2.Sxa6#
- 1...Rd5
- 2.Sxa6#
- 1...Rb6
- 2.Sd7#
- 1...Rc6
- 2.Sd7#
- 1...Re6
- 2.Sd7#
- 1...Rf6
- 2.Sd7#
- 1...Rg6
- 2.Sd7#
- 1...Rh6
- 2.Sd7#
- 1...Rd7
- 2.Sxa6#
- 2.Sxd7#
- 1...Rd8
- 2.Sxa6#
- 1...Rd3!
- 1...Rd1
- 1.Qh1?
- Keys
- 1.Qg2!
- 1...Kxc4
- 2.Qc2#
- 1...Rd1
- 2.Qc6#
- 1...Rd2
- 2.Qc6#
- 1...Rd3
- 2.Qc6#
- 1...Rd4
- 2.Qc6#
- 1...Rd5
- 2.Qxd5#
- 1...Rb6
- 2.Qd5#
- 1...Rc6
- 2.Qd5#
- 2.Qxc6#
- 1...Re6
- 2.Qd5#
- 1...Rf6
- 2.Qd5#
- 1...Rg6
- 2.Qd5#
- 1...Rh6
- 2.Qd5#
- 1...Rd7
- 2.Qc6#
- 1...Rd8
- 2.Qc6#
- 1...Kxc4
- 1.Qg2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);
- Vars
- R(d);N_GUARD::QAR1(A)
- R(d);N_GUARD,P_PINS(D)::QAR1(A)
- R(d);N_GUARD::QAR1(A),XR(d)
- Refutation
- K(b);P-FLIGHT,XS(D)
- Try
- Q(A);
- Vars
- R(d);N_GUARD::QAR1(A)
- R(d);N_GUARD,P_PINS(D)::QAR1(A)
- R(d);N_GUARD::QAR1(A),XR(d)
- Refutation
- K(b);P-FLIGHT,XS(D)
- Try
- Q(A);
- Vars
- R(d);OGATE::QAR2(A)
- R(d);N_GUARD::QAB1(A)
- Refutation
- R(d);
- Try
- P(F);
- Threat
- QAB1(F),XR(d)
- Vars
- R(d);OGATE::QAR2(F)
- R(d);N_GUARD::QAB1(F)
- Refutation
- R(d);
- Try
- P(F);
- Vars
- R(d);N_GUARD::S(F),XP(c)
- R(d);N_GUARD,P_PINS(D)::S(F),XP(c)
- R(d);N_GUARD::S(F)
- Refutation
- R(d);
- Try
- Actual
- Q(A);
- Vars
- K(b);OGATEB,P-FLIGHT,XS(D)::QAR2(A)
- R(d);N_GUARD::QAR1(A)
- R(d);N_GUARD,P_PINS(D)::QAR1(A)
- R(d);N_GUARD::QAR1(A),XR(d)
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).