MESON Chess Problem Database
Problem Display
PID: 84449 (Nb1KB1n1/1P1p1NP1/4kpR1/p2p4/P2QPp2/4nP2/8/8 w - - 0 1)
Funk, Henry E
Good Companions, 1921
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Sg5#
- 1...Ba7
- 2.Sc7#
- 2.Qe5#
- 1...Bc7+
- 2.Sxc7#
- 1...Sd1
- 2.Qxd5#
- 1...Sf1
- 2.Qxd5#
- 1...Sc2
- 2.Qxd5#
- 1...Sg2
- 2.Qxd5#
- 1...Sc4
- 2.Qxd5#
- 1...Sg4
- 2.Qxd5#
- 1...Sf5
- 2.Qxd5#
- 2.exd5#
- 1...Sh6
- 2.Rxf6#
- 2.Qxf6#
- 1...Se7
- 2.Rxf6#
- 2.Qxf6#
- 1...dxe4
- 2.Qxd7#
- 1...d6
- 2.Sg5#
- 1...Be5
- Tries
- 1.Sb6?
- 1...dxe4
- 2.Qxd7#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Sg5#
- 1...Ba7
- 2.Qe5#
- 1...Sd1
- 2.Qxd5#
- 1...Sf1
- 2.Qxd5#
- 1...Sc2
- 2.Qxd5#
- 1...Sg2
- 2.Qxd5#
- 1...Sc4
- 2.Qxd5#
- 1...Sg4
- 2.Qxd5#
- 1...Sf5
- 2.Qxd5#
- 2.exd5#
- 1...Sh6
- 2.Rxf6#
- 2.Qxf6#
- 1...Se7
- 2.Rxf6#
- 2.Qxf6#
- 1...d6
- 2.Sg5#
- 1...Bc7+!
- 1...dxe4
- 1.Rh6?
- 1...Bc7+
- 2.Sxc7#
- 1...dxe4
- 2.Qxd7#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Sg5#
- 1...Ba7
- 2.Sc7#
- 2.Qe5#
- 1...Sd1
- 2.Qxd5#
- 1...Sf1
- 2.Qxd5#
- 1...Sc2
- 2.Qxd5#
- 1...Sg2
- 2.Qxd5#
- 1...Sc4
- 2.Qxd5#
- 1...Sg4
- 2.Qxd5#
- 1...Sf5
- 2.Qxd5#
- 2.exd5#
- 1...Se7
- 2.Rxf6#
- 2.Qxf6#
- 1...d6
- 2.Sg5#
- 1...Sxh6!
- 1...Bc7+
- 1.Qb6+?
- 1...Bd6
- 2.Sc7#
- 2.Qxd6#
- 1...d6!
- 1...Bd6
- 1.exd5+?
- 1...Kf5
- 2.Qd3#
- 2.Qe4#
- 1...Sxd5!
- 1...Kf5
- 1.Sb6?
- Keys
- 1.Qc5!
- 1...Bc7+
- 2.Sxc7#
- 1...dxe4
- 2.Sg5#
- 1...Be5
- 2.Sg5#
- 1...Bd6
- 2.Qxd6#
- 1...Ba7
- 2.Sc7#
- 2.Qd6#
- 1...Sd1
- 2.Qxd5#
- 1...Sf1
- 2.Qxd5#
- 1...Sc2
- 2.Qxd5#
- 1...Sg2
- 2.Qxd5#
- 1...Sc4
- 2.Qxd5#
- 1...Sg4
- 2.Qxd5#
- 1...Sf5
- 2.Qxd5#
- 2.exd5#
- 1...Sh6
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...d4
- 2.Sg5#
- 1...d6
- 2.Qc8#
- 1...Bc7+
- 1.Qc5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(h);N_GUARD::QAR1(C),XB(h)
- B(h);SBLOCK::S(G)
- B(h);CHECK,N_GUARD::S(I),XB(h)
- S(a);N_GUARD::QAB1(C),XP(d)
- P(d);OGATE,XP(D)::QAB1(C),XP(g)
- P(g);SBLOCK::S(G)
- Tries
- Try
- S(I);
- Vars
- P(d);OGATE,XP(D)::QAB1(C),XP(g)
- B(h);N_GUARD::QAR1(C),XB(h)
- B(h);SBLOCK::S(G)
- B(h);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAB1(C),XP(d)
- P(g);SBLOCK::S(G)
- Refutation
- B(h);CHECK
- Try
- R(E);
- Vars
- B(h);CHECK,N_GUARD::S(I),XB(h)
- P(d);OGATE,XP(D)::QAB1(C),XP(g)
- B(h);N_GUARD::QAR1(C),XB(h)
- B(h);SBLOCK::S(G)
- S(a);N_GUARD::QAB1(C),XP(d)
- P(g);SBLOCK::S(G)
- Refutation
- S(i);N_SPINP(f),XR(E)
- Try
- Q(C);CHECK
- Refutation
- P(g);N_SPINP(f),P_SPINP(g)
- Try
- P(D);CHECK,XP(d)
- Refutation
- S(a);XP(D)
- Try
- Actual
- Q(C);
- Vars
- B(h);CHECK,N_GUARD::S(I),XB(h)
- P(d);XP(D)::S(G)
- B(h);SBLOCK::S(G)
- B(h);N_GUARD::QAR1(C),XB(h)
- S(a);N_GUARD::QAB1(C),XP(d)
- S(i);N_GUARD::QAR1(C)
- S(i);N_GUARD::QAR1(C),XS(i)
- P(d);::S(G)
- P(g);OGATEB::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).