MESON Chess Problem Database
Problem Display
PID: 180848 (8/4NNB1/1B1p1nr1/1Rq5/p2k2p1/1p1P1PP1/n2Q1K2/8 w - - 0 1)
Preiswerk, Walther Edouard
Schweizerische Schachzeitung, 1922
#2
10 + 9
| 16108 | Walther Preiswerks Shachprobleme (M. Henneberger) | 1949 |
SOLUTION
- SOUND
- Sets
- 1...Qxb6
- 2.Sf5#
- 2.Rd5#
- 1...Sc1
- 2.Rb4#
- 1...Sc3
- 2.Rb4#
- 2.Qe3#
- 1...Sb4
- 2.Rxb4#
- 1...d5
- 2.Sf5#
- 2.Sc6#
- 2.Bxc5#
- 1...Qxb6
- Tries
- 1.Sd8?
- threat
- 2.Sdc6#
- 1...Ke5+
- 2.Qe3#
- 2.d4#
- 1...Qxb6
- 2.Sf5#
- 2.Se6#
- 2.Rd5#
- 1...Sb4!
- threat
- 1.Ba5?
- threat
- 2.Qe3#
- 1...Qb4
- 2.Sf5#
- 2.Sc6#
- 2.Rd5#
- 1...Qc1
- 2.Sf5#
- 2.Rd5#
- 1...Qc2
- 2.Sf5#
- 2.Rd5#
- 1...Qe5
- 2.Sc6#
- 1...Qg5
- 2.Sc6#
- 1...Sb4!
- threat
- 1.Rxb3?
- threat
- 2.Qe3#
- 2.Qf4#
- 1...Qxb6
- 2.Qe3#
- 1...Rxg7
- 2.Qe3#
- 1...Sc3
- 2.Rb4#
- 2.Qxc3#
- 2.Qe3#
- 1...axb3!
- threat
- 1.Rxc5?
- threat
- 2.Sf5#
- 2.Sc6#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qe3#
- 1...Sb4
- 2.Sf5#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qc3#
- 2.Qe3#
- 1...Rg5
- 2.Sc6#
- 2.Rc4#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rxg5#
- 2.Qe3#
- 1...Sc1
- 2.Sf5#
- 2.Sc6#
- 2.Rxc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qc3#
- 2.Qe3#
- 1...Sc3
- 2.Sf5#
- 2.Sc6#
- 2.Rxc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qxc3#
- 2.Qe3#
- 1...d5
- 2.Sf5#
- 2.Sc6#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rxd5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qe3#
- 1...dxc5!
- threat
- 1.Qc2?
- threat
- 2.Qc4#
- 1...Sc3
- 2.Rb4#
- 1...d5
- 2.Sf5#
- 2.Sc6#
- 2.Bxc5#
- 1...bxc2!
- threat
- 1.Sd8?
- Keys
- 1.Se5!
- threat
- 2.S5c6#
- 1...Kxe5+
- 2.Qe3#
- 1...Se4+
- 2.dxe4#
- 1...Qxb6
- 2.Sf5#
- 1...dxe5
- 2.Bxc5#
- 1...Sb4
- 2.Qb2#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::R(F)
- S(a);N_GUARD::R(F),XS(a)
- Tries
- Try
- S(I);
- Threat
- S(I)
- Refutation
- S(a);
- Try
- B(G);N_PINQ(f)
- Threat
- QAB1(A)
- Vars
- Q(f);N_GUARD,N_SPINS(h)::S(H)
- Q(f);N_GUARD::S(H)
- Refutation
- S(a);
- Try
- R(F);XP(b)
- Threat
- DUALS(2)
- Vars
- Q(f);N_SPINQ(f),XB(G)::QAB1(A)
- R(i);N_SPINS(h),XB(J)::QAB1(A)
- Refutation
- P(c);XR(F)
- Try
- R(F);XQ(f)
- Threat
- DUALS(17)
- Refutation
- P(g);P_SPINP(g),XR(F)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- S(a);N_GUARD::R(F)
- Refutation
- P(b);XQ(A)
- Try
- Actual
- S(I);N_PINS(h)
- Threat
- S(I)
- Vars
- K(d);CHECK,P_SPINS(h),S_FLIGHT,XS(I)::QAR2(A)
- S(h);CHECK,OGATE::QAR(A)+P(C),XS(h)
- Q(f);N_SPINQ(f),XB(G)::S(H)
- P(g);N_GUARD,SBLOCK,XS(I)::B(G),XQ(f)
- S(a);N_GUARD::QAB(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).