MESON Chess Problem Database
Problem Display
PID: 189683 (8/3p4/8/1K1kN1N1/5b2/8/1Q6/8 w - - 0 1)
Schaffer, Hans
Das neue illustrierte Blatt, 1912
#2
4 + 3
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Tries
- 1.Sef3?
- threat
- 2.Qd4#
- 1...Bxg5
- 2.Qe5#
- 1...Be3
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Kd6!
- threat
- 1.Sg4?
- 1...Bxg5
- 2.Qe5#
- 1...Bc1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 2.Qxd2#
- 1...Bh2
- 2.Qd2#
- 1...Be3
- 2.Qe5#
- 1...Bg3
- 2.Qd2#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Se3#
- 2.Sf6#
- 2.Qd2#
- 1...Bc7
- 2.Qd2#
- 1...Bb8
- 2.Qd2#
- 1...d6
- 2.Sf6#
- 1...Kd6!
- 1...Bxg5
- 1.Sg6?
- 1...Bxg5
- 2.Qe5#
- 1...Bc1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 2.Qxd2#
- 1...Bh2
- 2.Qd2#
- 1...Be3
- 2.Qe5#
- 1...Bg3
- 2.Qd2#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Qd2#
- 1...Bc7
- 2.Qd2#
- 1...Bb8
- 2.Qd2#
- 1...d6
- 2.Sxf4#
- 2.Se7#
- 1...Kd6!
- 1...Bxg5
- 1.Sxd7?
- 1...Bxg5
- 2.Qe5#
- 1...Bc1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 2.Qxd2#
- 1...Bh2
- 2.Qd2#
- 1...Be3
- 2.Qe5#
- 1...Bg3
- 2.Qd2#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Sb6#
- 2.Sf6#
- 2.Qd2#
- 1...Bc7
- 2.Qd2#
- 1...Bb8
- 2.Qd2#
- 1...Kd6!
- 1...Bxg5
- 1.Sef7?
- 1...Bxg5
- 2.Qe5#
- 1...Bc1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 2.Qxd2#
- 1...Bh2
- 2.Qd2#
- 1...Be3
- 2.Qe5#
- 1...Bg3
- 2.Qd2#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Qd2#
- 1...Bc7
- 2.Qd2#
- 1...Bb8
- 2.Qd2#
- 1...d6!
- 1...Bxg5
- 1.Sef3?
- Keys
- 1.Sc4!
- 1...Bxg5
- 2.Qe5#
- 1...Bc1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 2.Qxd2#
- 1...Bh2
- 2.Qd2#
- 1...Be3
- 2.Qe5#
- 1...Bg3
- 2.Qd2#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Se3#
- 2.Sb6#
- 2.Qd2#
- 1...Bc7
- 2.Qd2#
- 1...Bb8
- 2.Qd2#
- 1...d6
- 2.Sb6#
- 1...Bxg5
- 1.Sc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);
- Threat
- QAR1(A)
- Vars
- B(a);N_GUARD,XS(D)::QAR1(A)
- B(a);N_GUARD::QAR1(A)
- B(a);N_GUARD::QAR1(A),XB(a)
- Refutation
- K(b);P-FLIGHT
- Try
- S(C);
- Vars
- B(a);N_GUARD,XS(D)::QAR1(A)
- B(a);N_GUARD::QAR1(A)
- B(a);N_GUARD::QAR(A)
- B(a);N_GUARD::QAR1(A),XB(a)
- P(c);SBLOCK::S(C)
- Refutation
- K(b);P-FLIGHT
- Try
- S(C);
- Vars
- B(a);N_GUARD,XS(D)::QAR1(A)
- B(a);N_GUARD::QAR1(A)
- B(a);N_GUARD::QAR(A)
- B(a);N_GUARD::QAR1(A),XB(a)
- B(a);N_GUARD,SBLOCK::QAR(A)
- Refutation
- K(b);P-FLIGHT
- Try
- S(C);XP(c)
- Vars
- B(a);N_GUARD,XS(D)::QAR1(A)
- B(a);N_GUARD::QAR1(A)
- B(a);N_GUARD::QAR(A)
- B(a);N_GUARD::QAR1(A),XB(a)
- Refutation
- K(b);P-FLIGHT
- Try
- S(C);
- Vars
- B(a);N_GUARD,XS(D)::QAR1(A)
- B(a);N_GUARD::QAR1(A)
- B(a);N_GUARD::QAR(A)
- B(a);N_GUARD::QAR1(A),XB(a)
- Refutation
- P(c);
- Try
- Actual
- S(C);
- Vars
- B(a);N_GUARD,XS(D)::QAR1(A)
- B(a);N_GUARD::QAR1(A)
- B(a);N_GUARD::QAR(A)
- B(a);N_GUARD::QAR1(A),XB(a)
- P(c);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).