MESON Chess Problem Database
Problem Display
PID: 165079 (8/5r1B/1Nr4b/5n2/R1b2nR1/2Nk2P1/3P4/3Q1KB1 w - - 0 1)
Preiswerk, Walther Edouard
Basler Nachrichten, 1945
#2
10 + 7
| 693 | Neue Zurcher Zeitung | 1945 |
| 16108 | Walther Preiswerks Shachprobleme (M. Henneberger) | 1949 |
| 15257 | Kunstwerke auf 64 Feldern (1922-1966) (Ott, Kummer, Schudel) | 1968 |
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Bxf5#
- 1...Rb7
- 2.Bxf5#
- 1...Rc7
- 2.Bxf5#
- 1...Rd7
- 2.Bxf5#
- 1...Rg7
- 2.Bxf5#
- 1...Ba2
- 2.Rd4#
- 1...Bb3
- 2.Rd4#
- 1...Bb5
- 2.Rd4#
- 1...Bd5
- 2.Rd4#
- 1...Ba6
- 2.Rd4#
- 1...Be6
- 2.Rd4#
- 1...Sg2
- 2.Rd4#
- 1...Sh3
- 2.Rd4#
- 1...Sd5
- 2.Rd4#
- 1...Sh5
- 2.Rd4#
- 1...Ra7
- Tries
- 1.Sxc4?
- threat
- 2.Sb2#
- 2.Se5#
- 2.Qb1#
- 1...Rc5
- 2.Sb2#
- 2.Qb1#
- 1...Rb6
- 2.Se5#
- 1...Re6
- 2.Sb2#
- 2.Qb1#
- 1...Rb7
- 2.Se5#
- 2.Bxf5#
- 1...Re7
- 2.Sb2#
- 2.Qb1#
- 1...Bg7
- 2.Sb2#
- 2.Qb1#
- 1...Sg6
- 2.Sb2#
- 2.Qb1#
- 1...Rxc4!
- threat
- 1.Sbd5?
- threat
- 2.Sb4#
- 1...Bxd5
- 2.Rd4#
- 1...Sxd5
- 2.Rd4#
- 1...Rb7
- 2.Bxf5#
- 1...Ba2
- 2.Rd4#
- 1...Bb3
- 2.Rd4#
- 1...Bb5
- 2.Rd4#
- 1...Ba6
- 2.Rd4#
- 1...Bf8
- 2.Sxf4#
- 1...Rb6!
- threat
- 1.Be3?
- threat
- 2.Qb1#
- 1...Ba2
- 2.Rd4#
- 1...Bb3
- 2.Rd4#
- 1...Rxb6!
- threat
- 1.Ra2?
- threat
- 2.Qc2#
- 2.Qf3#
- 2.Qb1#
- 1...Rxb6
- 2.Qc2#
- 2.Qf3#
- 1...Rxh7
- 2.Qc2#
- 2.Qb1#
- 1...Re6
- 2.Qc2#
- 2.Qb1#
- 1...Rg6
- 2.Qc2#
- 2.Qb1#
- 1...Re7
- 2.Qc2#
- 2.Qb1#
- 1...Bb3
- 2.Qf3#
- 1...Bd5
- 2.Qc2#
- 2.Qb1#
- 1...Se2
- 2.Qc2#
- 2.Qxe2#
- 2.Qb1#
- 1...Sg2
- 2.Rd4#
- 2.Qc2#
- 2.Qe2#
- 2.Qb1#
- 1...Sh3
- 2.Rd4#
- 2.Qc2#
- 2.Qe2#
- 2.Qb1#
- 1...Sd5
- 2.Rd4#
- 2.Qc2#
- 2.Qe2#
- 2.Qb1#
- 1...Sh5
- 2.Rd4#
- 2.Qc2#
- 2.Qe2#
- 2.Qb1#
- 1...Se6
- 2.Qc2#
- 2.Qe2#
- 2.Qb1#
- 1...Sg6
- 2.Qc2#
- 2.Qe2#
- 2.Qb1#
- 1...Bxa2!
- threat
- 1.Sxc4?
- Keys
- 1.Se4!
- threat
- 2.Qb1#
- 1...Kxe4+
- 2.Qe2#
- 1...Se3+
- 2.dxe3#
- 1...Sxg3+
- 2.Rxg3#
- 1...Rxb6
- 2.Sc5#
- 1...Ba2
- 2.Sf2#
- 1...Bb3
- 2.Sf2#
- 1...Bb5
- 2.Sf2#
- 1...Bd5
- 2.Sf2#
- 1...Ba6
- 2.Sf2#
- 1...Be6
- 2.Sf2#
- 1...Sd4
- 2.Sf2#
- 2.Sc5#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 4
- REMOVED MATES = 9
- Sets
- R(g);N_GUARD::B(J),XS(d)
- B(b);OGATE::R1(G)
- S(c);OGATE::R1(H)
- Tries
- Try
- S(I);XB(b)
- Threat
- DUALS(3)
- Vars
- R(e);::S(I)
- Refutation
- R(e);XS(I)
- Try
- S(I);
- Threat
- S(I)
- Vars
- B(b);OGATE,XS(I)::R1(G)
- S(c);OGATE,XS(I)::R1(H)
- R(g);N_GUARD::B(J),XS(d)
- B(b);OGATE::R1(G)
- B(f);N_GUARD::S(I),XS(c)
- Refutation
- R(e);
- Try
- B(C);
- Threat
- QAB(A)
- Vars
- B(b);OGATE::R1(G)
- Refutation
- R(e);XS(I)
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- B(b);::QAR2(A)
- Refutation
- B(b);XR(G)
- Try
- Actual
- S(E);N_PINS(d)
- Threat
- QAB(A)
- Vars
- K(a);CHECK,P_SPINB(b),P_SPINS(c),S_FLIGHT,XS(E)::QAR2(A)
- S(d);CHECK,OGATE::QAR(A)+P(D),XS(d)
- S(d);CHECK,OGATE,XP(F)::R(H),XS(d)
- R(e);N_GUARD,XS(I)::S(E)
- B(b);::S(E)
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).