MESON Chess Problem Database
Problem Display
PID: 37441 (8/4Q3/8/1R1pnk1B/2n4P/2B5/K3P1N1/8 w - - 0 1)
Nagler, Alois
Basler Zeitung, 1988
#2
8 + 4
| 3454 | kunstschach (1987-1996) (Hoffmann) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Bg6#
- 1...Sb2
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...Sd3
- 2.e4#
- 1...Sf3
- 2.e4#
- 1...Sg4
- 2.e4#
- 1...Sc6
- 2.e4#
- 1...Sg6
- 2.e4#
- 1...Sd7
- 2.e4#
- 1...Sf7
- 2.e4#
- 1...Ke4
- Tries
- 1.Ka1?
- 1...Ke4
- 2.Bg6#
- 1...Sb2
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...Sd3
- 2.e4#
- 1...Sf3
- 2.e4#
- 1...Sg4
- 2.e4#
- 1...Sc6
- 2.e4#
- 1...Sg6
- 2.e4#
- 1...Sd7
- 2.e4#
- 1...Sf7
- 2.e4#
- 1...d4!
- 1...Ke4
- 1.Bd4?
- 1...Sb2
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...Sd3
- 2.e4#
- 1...Sf3
- 2.e4#
- 1...Sg4
- 2.e4#
- 1...Sc6
- 2.e4#
- 1...Sg6
- 2.e4#
- 1...Sd7
- 2.e4#
- 1...Sf7
- 2.e4#
- 1...Ke4!
- 1...Sb2
- 1.Ra5?
- 1...Ke4
- 2.Bg6#
- 1...Sxa5
- 2.Qxe5#
- 1...Sb2
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...Sd3
- 2.e4#
- 1...Sf3
- 2.e4#
- 1...Sg4
- 2.e4#
- 1...Sc6
- 2.e4#
- 1...Sg6
- 2.e4#
- 1...Sd7
- 2.e4#
- 1...Sf7
- 2.e4#
- 1...d4!
- 1...Ke4
- 1.Rc5?
- 1...Ke4
- 2.Bg6#
- 1...Sb2
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...Sd3
- 2.e4#
- 1...Sf3
- 2.e4#
- 1...Sg4
- 2.e4#
- 1...Sc6
- 2.e4#
- 1...Sg6
- 2.e4#
- 1...Sd7
- 2.e4#
- 1...Sf7
- 2.e4#
- 1...d4!
- 1...Ke4
- 1.Rxd5?
- 1...Sb2
- 2.Rxe5#
- 2.Qxe5#
- 1...Sd2
- 2.Rxe5#
- 2.Qxe5#
- 1...Sa3
- 2.Rxe5#
- 2.Qxe5#
- 1...Se3
- 2.Rxe5#
- 2.Qxe5#
- 1...Sa5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sb6
- 2.Rxe5#
- 2.Qxe5#
- 1...Sd6
- 2.Rxe5#
- 2.Qxe5#
- 1...Ke4!
- 1...Sb2
- 1.Qg5+?
- 1...Ke4
- 2.Qf4#
- 1...Ke6!
- 1...Ke4
- 1.Qf6+?
- 1...Ke4
- 2.Qf4#
- 1...Kxf6!
- 1...Ke4
- 1.Qe6+?
- 1...Ke4
- 2.Bf3#
- 2.Bg6#
- 1...Kxe6!
- 1...Ke4
- 1.Qf7+?
- 1...Ke4
- 2.Qf4#
- 1...Sxf7!
- 1...Ke4
- 1.Qh7+?
- 1...Kf6
- 2.Qf7#
- 1...Sg6
- 2.Qxg6#
- 1...Ke6!
- 1...Kf6
- 1.e4+?
- 1...dxe4
- 2.Qf7#
- 1...Kxe4!
- 1...dxe4
- 1.Ka1?
- Keys
- 1.Qe8!
- 1...Ke4
- 2.Bg6#
- 1...Kf6
- 2.Qf7#
- 1...d4
- 2.Qg6#
- 1...Sb2
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...Sd3
- 2.Qg6#
- 2.e4#
- 1...Sf3
- 2.Qg6#
- 2.e4#
- 1...Sg4
- 2.Bg6#
- 2.Qg6#
- 2.e4#
- 1...Sc6
- 2.Qg6#
- 2.e4#
- 1...Sg6
- 2.Qxg6#
- 2.e4#
- 1...Sd7
- 2.Qg6#
- 2.e4#
- 1...Sf7
- 2.e4#
- 1...Ke4
- 1.Qe8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- K(d);P_SPINS(c),S_FLIGHT::B(G)
- S(a);N_GUARD::QAR1(H),XS(c)
- S(c);P_SPINP(b)::P(B)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- K(d);P_SPINS(c),S_FLIGHT::B(G)
- S(a);N_GUARD::QAR1(H),XS(c)
- S(c);P_SPINP(b)::P(B)
- Refutation
- P(b);P_SPINS(c)
- Try
- B(D);
- Vars
- S(a);N_GUARD::QAR1(H),XS(c)
- S(c);P_SPINP(b)::P(B)
- Refutation
- K(d);P_SPINS(c),S_FLIGHT
- Try
- R(F);
- Vars
- K(d);P_SPINS(c),S_FLIGHT::B(G)
- S(a);N_GUARD,XR(F)::QAR1(H),XS(c)
- S(a);N_GUARD::QAR1(H),XS(c)
- S(c);P_SPINP(b)::P(B)
- Refutation
- P(b);P_SPINS(c)
- Try
- R(F);
- Vars
- K(d);P_SPINS(c),S_FLIGHT::B(G)
- S(a);N_GUARD::QAR1(H),XS(c)
- S(c);P_SPINP(b)::P(B)
- Refutation
- P(b);P_SPINS(c)
- Try
- R(F);P_PINS(c),XP(b)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(H);CHECK
- Vars
- K(d);S_FLIGHT::QAR1(H)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(H);CHECK
- Vars
- K(d);OGATE,S_FLIGHT::QAR1(H)
- Refutation
- K(d);P-FLIGHT,P_SPINS(c),XQ(H)
- Try
- Q(H);CHECK
- Refutation
- K(d);S_FLIGHT,XQ(H)
- Try
- Q(H);CHECK
- Vars
- K(d);OGATE,S_FLIGHT::QAR1(H)
- Refutation
- S(c);P_SPINP(b),XQ(H)
- Try
- Q(H);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINS(c)::QAR1(H)
- S(c);N_GUARD,P_SPINP(b),P_SPINS(c)::QAB1(H),XS(c)
- Refutation
- K(d);S_FLIGHT
- Try
- P(B);CHECK
- Vars
- P(b);P_SPINS(c),SBLOCK,XP(B)::QAR2(H)
- Refutation
- K(d);P_SPINS(c),S_FLIGHT,XP(B)
- Try
- Actual
- Q(H);
- Vars
- K(d);P_SPINS(c),S_FLIGHT::B(G)
- K(d);P-FLIGHT,P_SPINS(c)::QAR1(H)
- P(b);P_SPINS(c)::QAB1(H)
- S(a);N_GUARD::QAR1(H),XS(c)
- S(c);P_SPINP(b)::P(B)
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).