MESON Chess Problem Database
Problem Display
PID: 222672 (2RR4/5Q2/8/2pqN3/3kbP2/4np2/3K1Bn1/8 w - - 0 1)
Peipers, Fritz
Cincinnati Commercial, 1883
#2
7 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qd6
- 2.Qc4#
- 1...Qd7
- 2.Qc4#
- 1...Qxd8
- 2.Qc4#
- 1...Bb1
- 2.Qxd5#
- 1...Bc2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...Se1
- 2.Bxe3#
- 1...Sh4
- 2.Bxe3#
- 1...c4
- 2.Rxc4#
- 2.Qa7#
- 1...Qd6
- Tries
- 1.Rc6?
- 1...Qxd8
- 2.Qc4#
- 1...Bb1
- 2.Qxd5#
- 1...Bc2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...Qd6
- 2.Qc4#
- 1...Qd7
- 2.Qc4#
- 1...Se1
- 2.Bxe3#
- 1...Sh4
- 2.Bxe3#
- 1...c4
- 2.Rxc4#
- 2.Qa7#
- 1...Sxf4!
- 1...Qxd8
- 1.Rc7?
- 1...Qxd8
- 2.Qc4#
- 1...Bb1
- 2.Qxd5#
- 1...Bc2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...Qd6
- 2.Qc4#
- 1...Qd7
- 2.Qc4#
- 1...Se1
- 2.Bxe3#
- 1...Sh4
- 2.Bxe3#
- 1...c4
- 2.Rxc4#
- 1...Sxf4!
- 1...Qxd8
- 1.Ra8?
- 1...Qxd8
- 2.Qc4#
- 1...Bb1
- 2.Qxd5#
- 1...Bc2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...c4
- 2.Qa7#
- 1...Qd6
- 2.Qc4#
- 1...Qd7
- 2.Qc4#
- 1...Se1
- 2.Bxe3#
- 1...Sh4
- 2.Bxe3#
- 1...Sxf4!
- 1...Qxd8
- 1.Rb8?
- 1...Qxd8
- 2.Qc4#
- 1...Bb1
- 2.Qxd5#
- 1...Bc2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...c4
- 2.Qa7#
- 1...Qd6
- 2.Qc4#
- 1...Qd7
- 2.Qc4#
- 1...Se1
- 2.Bxe3#
- 1...Sh4
- 2.Bxe3#
- 1...Sxf4!
- 1...Qxd8
- 1.Rd6?
- 1...Qxd6
- 2.Qc4#
- 1...Bb1
- 2.Qxd5#
- 1...Bc2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...Se1
- 2.Bxe3#
- 1...Sh4
- 2.Bxe3#
- 1...c4
- 2.Rxc4#
- 2.Qa7#
- 1...Sxf4!
- 1...Qxd6
- 1.Rd7?
- 1...Qxd7
- 2.Qc4#
- 1...Bb1
- 2.Qxd5#
- 1...Bc2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...Qd6
- 2.Qc4#
- 1...Se1
- 2.Bxe3#
- 1...Sh4
- 2.Bxe3#
- 1...c4
- 2.Rxc4#
- 1...Sxf4!
- 1...Qxd7
- 1.Qg8?
- 1...Qxd8
- 2.Qc4#
- 1...Bb1
- 2.Qxd5#
- 1...Bc2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...Qd6
- 2.Qc4#
- 1...Qd7
- 2.Qc4#
- 1...Se1
- 2.Bxe3#
- 1...Sh4
- 2.Bxe3#
- 1...c4
- 2.Rxc4#
- 1...Sxf4!
- 1...Qxd8
- 1.Rc6?
- Keys
- 1.Qe6!
- 1...Qxd8
- 2.Qc4#
- 1...Sxf4
- 2.Bxe3#
- 1...Bb1
- 2.Qxd5#
- 1...Bc2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...Qd6
- 2.Qc4#
- 1...Qd7
- 2.Qc4#
- 1...Se1
- 2.Bxe3#
- 1...Sh4
- 2.Bxe3#
- 1...c4
- 2.Rxc4#
- 2.Qb6#
- 1...Qxd8
- 1.Qe6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(g);OGATE::QAR1(E)
- Q(g);N_SPINQ(g),OGATE,XR(G)::QAR1(E)
- B(e);N_GUARD::QAR1(E),XQ(g)
- S(a);N_GUARD::B(B),XS(b)
- Tries
- Try
- R(F);
- Vars
- Q(g);N_SPINQ(g),OGATE,XR(G)::QAR1(E)
- B(e);N_GUARD::QAR1(E),XQ(g)
- Q(g);OGATE::QAR1(E)
- S(a);N_GUARD::B(B),XS(b)
- Refutation
- S(a);XP(C)
- Try
- R(F);
- Vars
- Q(g);N_SPINQ(g),OGATE,XR(G)::QAR1(E)
- B(e);N_GUARD::QAR1(E),XQ(g)
- Q(g);OGATE::QAR1(E)
- S(a);N_GUARD::B(B),XS(b)
- P(f);OGATE::R1(F),XP(f)
- Refutation
- S(a);XP(C)
- Try
- R(F);
- Vars
- Q(g);N_SPINQ(g),OGATE,XR(G)::QAR1(E)
- B(e);N_GUARD::QAR1(E),XQ(g)
- P(f);OGATEB::QAB(E)
- Q(g);OGATE::QAR1(E)
- S(a);N_GUARD::B(B),XS(b)
- Refutation
- S(a);XP(C)
- Try
- R(F);
- Vars
- Q(g);N_SPINQ(g),OGATE,XR(G)::QAR1(E)
- B(e);N_GUARD::QAR1(E),XQ(g)
- P(f);OGATEB::QAB(E)
- Q(g);OGATE::QAR1(E)
- S(a);N_GUARD::B(B),XS(b)
- Refutation
- S(a);XP(C)
- Try
- R(G);
- Vars
- Q(g);N_SPINQ(g),OGATE,XR(G)::QAR1(E)
- B(e);N_GUARD::QAR1(E),XQ(g)
- S(a);N_GUARD::B(B),XS(b)
- Refutation
- S(a);XP(C)
- Try
- R(G);
- Vars
- Q(g);N_SPINQ(g),OGATE,XR(G)::QAR1(E)
- B(e);N_GUARD::QAR1(E),XQ(g)
- Q(g);OGATE::QAR1(E)
- S(a);N_GUARD::B(B),XS(b)
- P(f);OGATE::R1(F),XP(f)
- Refutation
- S(a);XP(C)
- Try
- Q(E);
- Vars
- Q(g);N_SPINQ(g),OGATE,XR(G)::QAR1(E)
- B(e);N_GUARD::QAR1(E),XQ(g)
- Q(g);OGATE::QAR1(E)
- S(a);N_GUARD::B(B),XS(b)
- P(f);OGATE::R1(F),XP(f)
- Refutation
- S(a);XP(C)
- Try
- Actual
- Q(E);
- Vars
- Q(g);N_SPINQ(g),OGATE,XR(G)::QAR1(E)
- S(a);N_GUARD,XP(C)::B(B),XS(b)
- B(e);N_GUARD::QAR1(E),XQ(g)
- Q(g);OGATE::QAR1(E)
- S(a);N_GUARD::B(B),XS(b)
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).