MESON Chess Problem Database
Problem Display
PID: 90164 (2B4R/8/6p1/4P1kb/3Q4/5pr1/3K2p1/6N1 w - - 0 1)
Weisser, Berthold
Die Schwalbe, 1935
#2
6 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rh3
- 2.Sxh3#
- 1...Rg4
- 2.Sxf3#
- 1...Bg4
- 2.Qe3#
- 1...Rh3
- Tries
- 1.Kc1?
- 1...Rg4
- 2.Sxf3#
- 1...Rh3
- 2.Sxh3#
- 1...Bg4
- 2.Qe3#
- 2.Qd2#
- 1...f2!
- 1...Rg4
- 1.Kd1?
- 1...Rg4
- 2.Sxf3#
- 1...Rh3
- 2.Sxh3#
- 1...Bg4
- 2.Qe3#
- 2.Qd2#
- 1...f2+!
- 1...Rg4
- 1.Ke1?
- 1...Rg4
- 2.Sxf3#
- 1...Rh3
- 2.Sxh3#
- 1...Bg4
- 2.Qe3#
- 2.Qd2#
- 1...f2+!
- 1...Rg4
- 1.Kc2?
- 1...Rg4
- 2.Sxf3#
- 1...Rh3
- 2.Sxh3#
- 1...Bg4
- 2.Qe3#
- 2.Qd2#
- 1...f2!
- 1...Rg4
- 1.Kc3?
- 1...Rg4
- 2.Sxf3#
- 1...Rh3
- 2.Sxh3#
- 1...Bg4
- 2.Qe3#
- 2.Qd2#
- 1...f2+!
- 1...Rg4
- 1.Kd3?
- 1...Rg4
- 2.Sxf3#
- 1...Rh3
- 2.Sxh3#
- 1...Bg4
- 2.Qe3#
- 1...f2+!
- 1...Rg4
- 1.Ke3?
- threat
- 2.Qf4#
- 2.Qd8#
- 1...Rg4
- 2.Sxf3#
- 2.Qd8#
- 1...f2+!
- threat
- 1.Se2?
- threat
- 2.Qf4#
- 2.Qd8#
- 1...Rg4
- 2.Qd8#
- 1...fxe2!
- threat
- 1.Sxf3+?
- 1...Bxf3
- 2.Qe3#
- 2.Qh4#
- 1...Rxf3!
- 1...Bxf3
- 1.Be6?
- 1...Rg4
- 2.Sxf3#
- 1...Rh3
- 2.Sxh3#
- 1...Bg4
- 2.Qe3#
- 1...f2!
- 1...Rg4
- 1.Bd7?
- 1...Rg4
- 2.Sxf3#
- 1...Rh3
- 2.Sxh3#
- 1...Bg4
- 2.Qe3#
- 1...f2!
- 1...Rg4
- 1.Rh7?
- 1...Rg4
- 2.Sxf3#
- 1...Rh3
- 2.Sxh3#
- 1...Bg4
- 2.Qe3#
- 1...f2!
- 1...Rg4
- 1.Qb6?
- threat
- 2.Qf6#
- 1...Kf4
- 2.Qe3#
- 1...Kh4!
- threat
- 1.Qe4?
- 1...Rg4
- 2.Sxf3#
- 1...Rh3
- 2.Sxh3#
- 1...Bg4
- 2.Qe3#
- 1...f2!
- 1...Rg4
- 1.Kc1?
- Keys
- 1.Qf2!
- 1...Kf4
- 2.Qe3#
- 1...Kh4
- 2.Sxf3#
- 1...Rh3
- 2.Sxh3#
- 1...Rg4
- 2.Sh3#
- 1...Bg4
- 2.Qe3#
- 1...Kf4
- 1.Qf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::S(A),XR(c)
- R(c);N_GUARD,S_CUTB(e)::S(A),XP(b)
- B(e);::QAB(C)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- R(c);N_GUARD,S_CUTB(e)::S(A),XP(b)
- R(c);N_GUARD::S(A),XR(c)
- Refutation
- P(b);
- Try
- K(B);P-FLIGHT
- Vars
- R(c);N_GUARD,S_CUTB(e)::S(A),XP(b)
- R(c);N_GUARD::S(A),XR(c)
- Refutation
- P(b);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- R(c);N_GUARD,S_CUTB(e)::S(A),XP(b)
- R(c);N_GUARD::S(A),XR(c)
- Refutation
- P(b);CHECK
- Try
- K(B);P-FLIGHT
- Vars
- R(c);N_GUARD,S_CUTB(e)::S(A),XP(b)
- R(c);N_GUARD::S(A),XR(c)
- Refutation
- P(b);
- Try
- K(B);S_FLIGHT
- Vars
- R(c);N_GUARD,S_CUTB(e)::S(A),XP(b)
- R(c);N_GUARD::S(A),XR(c)
- Refutation
- P(b);CHECK
- Try
- K(B);P-FLIGHT
- Vars
- R(c);N_GUARD,S_CUTB(e)::S(A),XP(b)
- R(c);N_GUARD::S(A),XR(c)
- B(e);::QAB(C)
- Refutation
- P(b);CHECK
- Try
- K(B);S_FLIGHT
- Threat
- DUALS(2)
- Refutation
- P(b);CHECK
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- R(c);::QAB(C)
- Refutation
- P(b);XS(A)
- Try
- S(A);CHECK,XP(b)
- Refutation
- R(c);XS(A)
- Try
- B(E);
- Vars
- R(c);N_GUARD,S_CUTB(e)::S(A),XP(b)
- R(c);N_GUARD::S(A),XR(c)
- B(e);::QAB(C)
- Refutation
- P(b);
- Try
- B(E);
- Vars
- R(c);N_GUARD,S_CUTB(e)::S(A),XP(b)
- R(c);N_GUARD::S(A),XR(c)
- B(e);::QAB(C)
- Refutation
- P(b);
- Try
- R(F);
- Vars
- R(c);N_GUARD,S_CUTB(e)::S(A),XP(b)
- R(c);N_GUARD::S(A),XR(c)
- B(e);::QAB(C)
- Refutation
- P(b);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- K(d);S_FLIGHT::QAB1(C)
- Refutation
- K(d);P_SPINB(e),S_FLIGHT
- Try
- Q(C);
- Vars
- R(c);N_GUARD,S_CUTB(e)::S(A),XP(b)
- R(c);N_GUARD::S(A),XR(c)
- B(e);::QAB(C)
- Refutation
- P(b);
- Try
- Actual
- Q(C);
- Vars
- K(d);P_SPINP(b),S_FLIGHT::QAB1(C)
- K(d);P_SPINB(e),P_SPINR(c),S_FLIGHT::S(A),XP(b)
- R(c);N_GUARD::S(A),XR(c)
- R(c);N_GUARD::S(A)
- B(e);::QAB(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).