MESON Chess Problem Database
Problem Display
PID: 187656 (8/4Q3/p3Bn2/pP1R4/n1k5/1p3K2/1B6/8 w - - 0 1)
Moller, Ferdinand Friedrich
150 Ausgewahlte Schachaufgaben, 1909
#2
6 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Sxb2
- 2.Qc5#
- 1...Sc3
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Qc5#
- 1...Sd7
- 2.Qh4#
- 1...Sh7
- 2.Qh4#
- 1...Se8
- 2.Qh4#
- 1...Sg8
- 2.Qh4#
- 1...axb5
- 2.Rd4#
- 1...Sxb2
- Tries
- 1.Bxf6?
- 1...axb5
- 2.Rd1#
- 2.Rd2#
- 2.Rd7#
- 2.Rd8#
- 1...Sc5
- 2.Qxc5#
- 1...Sb2
- 2.Qc5#
- 1...Sc3
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...b2!
- 1...axb5
- 1.Bg4?
- 1...Kxd5
- 2.Be6#
- 1...Sxb2
- 2.Qc5#
- 1...Sxg4
- 2.Qe4#
- 1...axb5
- 2.Rd4#
- 1...Sc5
- 2.Qxc5#
- 1...Sc3
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...Se4
- 2.Qxe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...Sxd5!
- 1...Kxd5
- 1.Bf5?
- 1...Kxd5
- 2.Be6#
- 1...Sxb2
- 2.Qc5#
- 1...axb5
- 2.Rd4#
- 1...Sc5
- 2.Qxc5#
- 1...Sc3
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...Sxd5!
- 1...Kxd5
- 1.Bd7?
- threat
- 2.Rd4#
- 1...Kxd5
- 2.Be6#
- 1...Sxb2
- 2.Qc5#
- 1...Sxd7
- 2.Qe4#
- 1...Sc3
- 2.Qc5#
- 1...Sxd5!
- threat
- 1.Bf7?
- 1...Sxb2
- 2.Qc5#
- 1...axb5
- 2.Rd4#
- 1...Sc5
- 2.Qxc5#
- 1...Sc3
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qh4#
- 2.Qe4#
- 1...Sh7
- 2.Qh4#
- 2.Qe4#
- 1...Se8
- 2.Qh4#
- 2.Qe4#
- 1...Sg8
- 2.Qh4#
- 2.Qe4#
- 1...Sxd5!
- 1...Sxb2
- 1.Bc8?
- 1...Kxd5
- 2.Be6#
- 1...Sxb2
- 2.Qc5#
- 1...axb5
- 2.Rd4#
- 1...Sc5
- 2.Qxc5#
- 1...Sc3
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...Sxd5!
- 1...Kxd5
- 1.Bg8?
- 1...Sxb2
- 2.Qc5#
- 1...Sxg8
- 2.Qe4#
- 1...axb5
- 2.Rd4#
- 1...Sc5
- 2.Qxc5#
- 1...Sc3
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qh4#
- 2.Qe4#
- 1...Sh7
- 2.Qh4#
- 2.Qe4#
- 1...Se8
- 2.Qh4#
- 2.Qe4#
- 1...Sxd5!
- 1...Sxb2
- 1.Qa3?
- threat
- 2.Qxa4#
- 1...Sxb2
- 2.Qc5#
- 1...axb5
- 2.Rd4#
- 1...Sc5
- 2.Qxc5#
- 1...Sc3
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...Sxd5!
- threat
- 1.Qd6?
- 1...Sxb2
- 2.Qc5#
- 1...axb5
- 2.Rd4#
- 1...Sc5
- 2.Qxc5#
- 1...Sc3
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...Se4
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Sg4
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qf4#
- 1...Sh5
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 1...Sd7
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qf4#
- 1...Sh7
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qf4#
- 1...Se8
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qf4#
- 1...Sg8
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qf4#
- 1...Sxd5!
- 1...Sxb2
- 1.Qxf6?
- threat
- 2.Qd4#
- 2.Qh4#
- 2.Qf4#
- 1...Kb4
- 2.Qd4#
- 2.Qh4#
- 2.Qf4#
- 1...Sxb2
- 2.Qd4#
- 1...Sc3
- 2.Qxc3#
- 2.Qd4#
- 1...Sc5!
- threat
- 1.Qc7+?
- 1...Sc5
- 2.Qxc5#
- 1...Kb4!
- 1...Sc5
- 1.Bxf6?
- Keys
- 1.Bh3!
- 1...Kxd5
- 2.Be6#
- 1...Sxb2
- 2.Qc5#
- 1...Sxd5
- 2.Bf1#
- 1...axb5
- 2.Rd4#
- 1...Sc5
- 2.Qxc5#
- 1...Sc3
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...Kxd5
- 1.Bh3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD,XB(A)::QAR1(F)
- S(b);N_GUARD::QAR1(F)
- S(b);N_GUARD::QAR1(F),XS(b)
- S(f);OGATE::QAR(F)
- P(e);SBLOCK,XP(C)::B(E)+R(D),DCHECK
- Tries
- Try
- B(A);XS(f)
- Vars
- S(b);N_GUARD::QAR1(F),XS(b)
- S(b);N_GUARD::QAR1(F)
- Refutation
- P(a);
- Try
- B(E);
- Vars
- K(c);OGATEB,S_FLIGHT,XR(D)::B(E)
- S(b);N_GUARD,XB(A)::QAR1(F)
- S(f);N_GUARD,XB(E)::QAR2(F)
- P(e);SBLOCK,XP(C)::R1(D)
- S(b);N_GUARD::QAR1(F),XS(b)
- S(b);N_GUARD::QAR1(F)
- S(f);N_GUARD::QAR2(F),XS(f)
- S(f);N_GUARD::QAR2(F)
- Refutation
- S(f);XR(D)
- Try
- B(E);
- Vars
- K(c);OGATEB,S_FLIGHT,XR(D)::B(E)
- S(b);N_GUARD,XB(A)::QAR1(F)
- P(e);SBLOCK,XP(C)::R1(D)
- S(b);N_GUARD::QAR1(F),XS(b)
- S(b);N_GUARD::QAR1(F)
- S(f);N_GUARD::QAR2(F),XS(f)
- S(f);N_GUARD::QAR2(F)
- Refutation
- S(f);XR(D)
- Try
- B(E);
- Threat
- R1(D)
- Vars
- K(c);OGATEB,S_FLIGHT,XR(D)::B(E)
- S(b);N_GUARD,XB(A)::QAR1(F)
- S(f);N_GUARD,XB(E)::QAR2(F)
- S(b);N_GUARD::QAR1(F)
- Refutation
- S(f);XR(D)
- Try
- B(E);
- Vars
- S(b);N_GUARD,XB(A)::QAR1(F)
- P(e);SBLOCK,XP(C)::B(E)+R(D),DCHECK
- S(b);N_GUARD::QAR1(F),XS(b)
- S(b);N_GUARD::QAR1(F)
- S(f);N_GUARD::QAR2(F),XS(f)
- S(f);N_GUARD::QAR2(F)
- Refutation
- S(f);P_SPINS(f),XR(D)
- Try
- B(E);
- Vars
- K(c);OGATEB,S_FLIGHT,XR(D)::B(E)
- S(b);N_GUARD,XB(A)::QAR1(F)
- P(e);SBLOCK,XP(C)::R1(D)
- S(b);N_GUARD::QAR1(F),XS(b)
- S(b);N_GUARD::QAR1(F)
- S(f);N_GUARD::QAR2(F),XS(f)
- S(f);N_GUARD::QAR2(F)
- Refutation
- S(f);XR(D)
- Try
- B(E);
- Vars
- S(b);N_GUARD,XB(A)::QAR1(F)
- S(f);N_GUARD,XB(E)::QAR2(F)
- P(e);SBLOCK,XP(C)::B(E)+R(D),DCHECK
- S(b);N_GUARD::QAR1(F),XS(b)
- S(b);N_GUARD::QAR1(F)
- S(f);N_GUARD::QAR2(F),XS(f)
- S(f);N_GUARD::QAR2(F)
- Refutation
- S(f);P_SPINS(f),XR(D)
- Try
- Q(F);
- Threat
- QAR2(F),XS(b)
- Vars
- S(b);N_GUARD,XB(A)::QAR1(F)
- P(e);SBLOCK,XP(C)::B(E)+R(D),DCHECK
- S(b);N_GUARD::QAR1(F),XS(b)
- S(b);N_GUARD::QAR1(F)
- Refutation
- S(f);P_SPINS(f),XR(D)
- Try
- Q(F);
- Vars
- S(b);N_GUARD,XB(A)::QAR1(F)
- P(e);SBLOCK,XP(C)::B(E)+R(D),DCHECK
- S(b);N_GUARD::QAR1(F),XS(b)
- S(b);N_GUARD::QAR1(F)
- Refutation
- S(f);P_SPINS(f),XR(D)
- Try
- Q(F);XS(f)
- Threat
- DUALS(3)
- Vars
- S(b);XB(A)::QAR1(F)
- Refutation
- S(b);
- Try
- Q(F);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR1(F),XS(b)
- Refutation
- K(c);P-FLIGHT
- Try
- Actual
- B(E);
- Vars
- K(c);OGATEB,S_FLIGHT,XR(D)::B(E)
- S(b);N_GUARD,XB(A)::QAR1(F)
- S(f);SBLOCK,XR(D)::B(E)
- P(e);SBLOCK,XP(C)::R1(D)
- S(b);N_GUARD::QAR1(F),XS(b)
- S(b);N_GUARD::QAR1(F)
- S(f);N_GUARD::QAR2(F),XS(f)
- S(f);N_GUARD::QAR2(F)
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).