MESON Chess Problem Database
Problem Display
PID: 92036 (8/3p4/1pP1P3/3k4/1P4n1/3BR1Qb/4N1p1/2R3K1 w - - 0 1)
Stadelmeier, Gerhard
Deutsche Schachblatter, 1986
#2
9 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...b5
- 2.Rc5#
- 1...dxc6
- 2.Bc4#
- 1...dxe6
- 2.Be4#
- 1...d6
- 2.Qf3#
- 1...Sf2
- Tries
- 1.Sc3+?
- 1...Kd4
- 2.Re4#
- 2.Qf4#
- 1...Kxc6!
- 1...Kd4
- 1.Sf4+?
- 1...Kd4
- 2.Rc4#
- 2.Re4#
- 1...Kd6!
- 1...Kd4
- 1.Bb1?
- threat
- 2.Ba2#
- 1...Se5
- 2.Qxe5#
- 1...Sxe3!
- threat
- 1.Bb5?
- threat
- 2.Rd1#
- 1...Se5
- 2.Qxe5#
- 1...Sf2
- 2.Qe5#
- 1...Sxe3!
- threat
- 1.Bf5?
- threat
- 2.Rd3#
- 1...Se5
- 2.Qxe5#
- 1...Sf2
- 2.Qe5#
- 1...Sxe3!
- threat
- 1.Rc2?
- 1...dxc6
- 2.Bc4#
- 1...dxe6
- 2.Be4#
- 1...Se5
- 2.Qxe5#
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...b5
- 2.Rc5#
- 1...d6
- 2.Qf3#
- 1...Sxe3!
- 1...dxc6
- 1.Rc3?
- 1...dxc6
- 2.Bc4#
- 1...dxe6
- 2.Be4#
- 1...Se5
- 2.Qxe5#
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...b5
- 2.Rc5#
- 1...d6
- 2.Qf3#
- 1...Sxe3!
- 1...dxc6
- 1.Rc4?
- threat
- 2.Sc3#
- 1...Se5
- 2.Qxe5#
- 1...Sxe3!
- threat
- 1.Qf4?
- threat
- 2.Qd4#
- 1...Se5
- 2.Qxe5#
- 1...Sxe3!
- threat
- 1.Qc7?
- threat
- 2.Bc4#
- 2.Qxd7#
- 1...dxc6
- 2.Bc4#
- 2.Qd8#
- 2.Qxc6#
- 2.Qd7#
- 1...dxe6
- 2.Bc4#
- 2.Be4#
- 2.Qd8#
- 2.Qd7#
- 1...Se5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sf6
- 2.Bc4#
- 2.Re5#
- 2.Qe5#
- 1...b5
- 2.Rc5#
- 2.Qxd7#
- 1...d6
- 2.Bc4#
- 1...Sxe3!
- threat
- 1.cxd7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Se5
- 2.Qxe5#
- 1...Sf2
- 2.Qe5#
- 2.d8Q#
- 2.d8R#
- 1...Sh2
- 2.Qe5#
- 2.d8Q#
- 2.d8R#
- 1...Sf6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 2.d8Q#
- 2.d8R#
- 1...b5
- 2.Rc5#
- 2.d8Q#
- 2.d8R#
- 1...Sxe3!
- threat
- 1.c7?
- 1...dxe6
- 2.Be4#
- 1...Se5
- 2.Qxe5#
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...b5
- 2.Rc5#
- 1...d6
- 2.Qf3#
- 1...Sxe3!
- 1...dxe6
- 1.exd7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Se5
- 2.Qxe5#
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...b5
- 2.Rc5#
- 2.d8Q#
- 2.d8R#
- 1...Sxe3!
- threat
- 1.e7?
- 1...dxc6
- 2.Bc4#
- 1...Se5
- 2.Qxe5#
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...b5
- 2.Rc5#
- 1...d6
- 2.Qf3#
- 1...Sxe3!
- 1...dxc6
- 1.Sc3+?
- Keys
- 1.Re4!
- 1...dxc6
- 2.Sc3#
- 1...dxe6
- 2.Rd4#
- 1...Se5
- 2.Qxe5#
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...b5
- 2.Rc5#
- 1...d6
- 2.Sf4#
- 1...dxc6
- 1.Re4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::QAR1(F)
- S(c);N_GUARD::QAR1(F),XS(c)
- P(e);N_GUARD::R1(A)
- P(f);SBLOCK,XP(H)::B(D)
- P(f);SBLOCK,XP(I)::B(D)
- P(f);SBLOCK::QAB(F)
- Tries
- Try
- S(C);CHECK
- Refutation
- K(d);S_FLIGHT,XP(H)
- Try
- S(C);CHECK
- Refutation
- K(d);P-FLIGHT
- Try
- B(D);
- Threat
- B(D)
- Vars
- S(c);N_GUARD::QAR1(F),XS(c)
- Refutation
- S(c);XR(E)
- Try
- B(D);
- Threat
- R(A)
- Vars
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- Refutation
- S(c);XR(E)
- Try
- B(D);
- Threat
- R(E)
- Vars
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- Refutation
- S(c);XR(E)
- Try
- R(A);
- Vars
- P(f);SBLOCK,XP(H)::B(D)
- P(f);SBLOCK,XP(I)::B(D)
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- P(e);N_GUARD::R1(A)
- P(f);SBLOCK::QAB(F)
- Refutation
- S(c);XR(E)
- Try
- R(A);
- Vars
- P(f);SBLOCK,XP(H)::B(D)
- P(f);SBLOCK,XP(I)::B(D)
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- P(e);N_GUARD::R1(A)
- P(f);SBLOCK::QAB(F)
- Refutation
- S(c);XR(E)
- Try
- R(A);
- Threat
- S(C)
- Vars
- S(c);N_GUARD::QAR1(F),XS(c)
- Refutation
- S(c);XR(E)
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- S(c);N_GUARD::QAR1(F),XS(c)
- Refutation
- S(c);XR(E)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- P(f);::B(D)
- Refutation
- S(c);XR(E)
- Try
- P(H);XP(f)
- Threat
- P=Q
- Vars
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- Refutation
- S(c);XR(E)
- Try
- P(H);
- Vars
- P(f);SBLOCK,XP(I)::B(D)
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- P(e);N_GUARD::R1(A)
- P(f);SBLOCK::QAB(F)
- Refutation
- S(c);XR(E)
- Try
- P(I);XP(f)
- Threat
- P=Q
- Vars
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- Refutation
- S(c);XR(E)
- Try
- P(I);
- Vars
- P(f);SBLOCK,XP(H)::B(D)
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- P(e);N_GUARD::R1(A)
- P(f);SBLOCK::QAB(F)
- Refutation
- S(c);XR(E)
- Try
- Actual
- R(E);
- Vars
- P(f);SBLOCK,XP(H)::S(C)
- P(f);SBLOCK,XP(I)::R1(E)
- S(c);N_GUARD::QAR1(F),XS(c)
- S(c);N_GUARD::QAR1(F)
- P(e);N_GUARD::R1(A)
- P(f);SBLOCK::S(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).