MESON Chess Problem Database
Problem Display
PID: 182495 (8/8/8/2bN4/2p1B3/1p1q2p1/1NkP2Q1/R1B4K w - - 0 1)
Preiswerk, Walther Edouard
Basler Nachrichten, 1922
#2
8 + 6
| 16108 | Walther Preiswerks Shachprobleme (M. Henneberger) | 1949 |
SOLUTION
- SOUND
- Sets
- 1...Qxe4
- 2.Qxe4#
- 1...Bg1
- 2.Sb4#
- 1...Bf2
- 2.Sb4#
- 1...Ba3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 2.Sb4#
- 2.dxe3#
- 1...Bb4
- 2.Se3#
- 2.Sxb4#
- 1...Bd4
- 2.Sb4#
- 1...Bb6
- 2.Sb4#
- 1...Bd6
- 2.Se3#
- 1...Ba7
- 2.Sb4#
- 1...Be7
- 2.Se3#
- 1...Bf8
- 2.Se3#
- 1...c3
- 2.Bxd3#
- 1...Qxe4
- Tries
- 1.Bf5?
- 1...Bg1
- 2.Sb4#
- 1...Qe4
- 2.Bxe4#
- 2.Qxe4#
- 2.d4#
- 1...Bf2
- 2.Sb4#
- 1...Ba3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 2.Sb4#
- 2.dxe3#
- 1...Bb4
- 2.Se3#
- 2.Sxb4#
- 1...Bd4
- 2.Sb4#
- 1...Bb6
- 2.Sb4#
- 1...Bd6
- 2.Se3#
- 1...Ba7
- 2.Sb4#
- 1...Be7
- 2.Se3#
- 1...Bf8
- 2.Se3#
- 1...c3
- 2.Bxd3#
- 1...Qxf5!
- 1...Bg1
- 1.Bh7?
- 1...Bg1
- 2.Sb4#
- 1...Qe4
- 2.Bxe4#
- 2.Qxe4#
- 2.d4#
- 1...Qf5
- 2.Bxf5#
- 2.d4#
- 1...Qg6
- 2.Bxg6#
- 2.d4#
- 1...Bf2
- 2.Sb4#
- 1...Ba3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 2.Sb4#
- 2.dxe3#
- 1...Bb4
- 2.Se3#
- 2.Sxb4#
- 1...Bd4
- 2.Sb4#
- 1...Bb6
- 2.Sb4#
- 1...Bd6
- 2.Se3#
- 1...Ba7
- 2.Sb4#
- 1...Be7
- 2.Se3#
- 1...Bf8
- 2.Se3#
- 1...c3
- 2.Bxd3#
- 1...Qxh7+!
- 1...Bg1
- 1.Qf3?
- threat
- 2.Qd1#
- 1...Qxe4
- 2.Qxe4#
- 1...g2+!
- threat
- 1.Qe2?
- threat
- 2.Qd1#
- 1...Qxe4+
- 2.Qxe4#
- 1...g2+!
- threat
- 1.Qxg3?
- 1...Bg1
- 2.Sb4#
- 1...Bf2
- 2.Sb4#
- 1...Ba3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 2.Sb4#
- 1...Bb4
- 2.Se3#
- 2.Sxb4#
- 1...Bd4
- 2.Sb4#
- 1...Bb6
- 2.Sb4#
- 1...Bd6
- 2.Se3#
- 1...Ba7
- 2.Sb4#
- 1...Be7
- 2.Se3#
- 1...Bf8
- 2.Se3#
- 1...c3
- 2.Bxd3#
- 2.Qxd3#
- 1...Qxe4+!
- 1...Bg1
- 1.Bf5?
- Keys
- 1.Bg6!
- 1...Qxg6
- 2.d4#
- 1...Bg1
- 2.Sb4#
- 1...Qe4
- 2.Bxe4#
- 2.Qxe4#
- 2.d4#
- 1...Qf5
- 2.Bxf5#
- 2.d4#
- 1...Bf2
- 2.Sb4#
- 1...Ba3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 2.Sb4#
- 2.dxe3#
- 1...Bb4
- 2.Se3#
- 2.Sxb4#
- 1...Bd4
- 2.Sb4#
- 1...Bb6
- 2.Sb4#
- 1...Bd6
- 2.Se3#
- 1...Ba7
- 2.Sb4#
- 1...Be7
- 2.Se3#
- 1...Bf8
- 2.Se3#
- 1...c3
- 2.Bxd3#
- 1...Qxg6
- 1.Bg6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- Q(c);N_SPINQ(c),OGATE,P_PINQ(F),XB(G)::QAB(F),XQ(c)
- B(f);N_GUARD::S(H)
- P(e);N_GUARD::B(G),XQ(c)
- Tries
- Try
- B(G);
- Vars
- B(f);N_GUARD::S(H)
- P(e);N_GUARD::B(G),XQ(c)
- Refutation
- Q(c);N_SPINQ(c),XB(G)
- Try
- B(G);
- Vars
- B(f);N_GUARD::S(H)
- P(e);N_GUARD::B(G),XQ(c)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XB(G)
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- Q(c);N_SPINQ(c),OGATE,P_PINQ(F),XB(G)::QAB(F),XQ(c)
- Refutation
- P(d);CHECK
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XB(G)::QAB(F),XQ(c)
- Refutation
- P(d);CHECK
- Try
- Q(F);XP(d)
- Vars
- B(f);N_GUARD::S(H)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XB(G)
- Try
- Actual
- B(G);
- Vars
- Q(c);N_SPINQ(c),OGATE,XB(G)::QAR(F)+P(E)
- B(f);N_GUARD::S(H)
- P(e);N_GUARD::B(G),XQ(c)
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).