MESON Chess Problem Database
Problem Display
PID: 5085 (8/4p3/5bB1/1K3P2/2P1k3/1Q3N1N/3P2n1/8 w - - 0 1)
Nemo, Ottmar (Weiss, Ottmar)
Bohemia, 1899
#2
8 + 4
| 15 | British Chess Magazine | 1910 |
| 3360 | Simple Two-move Themes | 1924 |
| 3310 | 2345 Chess Problems | 1997 |
| 5454 | Near Snap | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.f6#
- 1...Bb2
- 2.f6#
- 1...Bd4
- 2.f6#
- 1...Bh4
- 2.f6#
- 1...Be5
- 2.f6#
- 1...Bg5
- 2.f6#
- 1...Bg7
- 2.f6#
- 1...Bh8
- 2.f6#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Sf2#
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.fxe6#
- 1...Ba1
- Tries
- 1.Ka4?
- 1...Se3
- 2.Qxe3#
- 1...Ba1
- 2.f6#
- 1...Bb2
- 2.f6#
- 1...Bd4
- 2.f6#
- 1...Bh4
- 2.f6#
- 1...Be5
- 2.f6#
- 1...Bg5
- 2.f6#
- 1...Bg7
- 2.f6#
- 1...Bh8
- 2.f6#
- 1...Se1
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.fxe6#
- 1...Bc3!
- 1...Se3
- 1.Kb4?
- 1...Se3
- 2.Qxe3#
- 1...Ba1
- 2.f6#
- 1...Bb2
- 2.f6#
- 1...Bd4
- 2.f6#
- 1...Bh4
- 2.f6#
- 1...Be5
- 2.f6#
- 1...Bg5
- 2.f6#
- 1...Bg7
- 2.f6#
- 1...Bh8
- 2.f6#
- 1...Se1
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.fxe6#
- 1...Bc3+!
- 1...Se3
- 1.Ka5?
- 1...Se3
- 2.Qxe3#
- 1...Ba1
- 2.f6#
- 1...Bb2
- 2.f6#
- 1...Bd4
- 2.f6#
- 1...Bh4
- 2.f6#
- 1...Be5
- 2.f6#
- 1...Bg5
- 2.f6#
- 1...Bg7
- 2.f6#
- 1...Bh8
- 2.f6#
- 1...Se1
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.fxe6#
- 1...Bc3+!
- 1...Se3
- 1.Ka6?
- 1...Se3
- 2.Qxe3#
- 1...Ba1
- 2.f6#
- 1...Bb2
- 2.f6#
- 1...Bd4
- 2.f6#
- 1...Bh4
- 2.f6#
- 1...Be5
- 2.f6#
- 1...Bg5
- 2.f6#
- 1...Bg7
- 2.f6#
- 1...Bh8
- 2.f6#
- 1...Se1
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.fxe6#
- 1...Bc3!
- 1...Se3
- 1.Kc6?
- 1...Se3
- 2.Qxe3#
- 1...Ba1
- 2.f6#
- 1...Bb2
- 2.f6#
- 1...Bd4
- 2.f6#
- 1...Bh4
- 2.f6#
- 1...Be5
- 2.f6#
- 1...Bg5
- 2.f6#
- 1...Bg7
- 2.f6#
- 1...Bh8
- 2.f6#
- 1...Se1
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.fxe6#
- 1...Bc3!
- 1...Se3
- 1.Bh7?
- 1...Se3
- 2.Qxe3#
- 1...Ba1
- 2.f6#
- 1...Bb2
- 2.f6#
- 1...Bd4
- 2.f6#
- 1...Bh4
- 2.f6#
- 1...Be5
- 2.f6#
- 1...Bg5
- 2.f6#
- 1...Bg7
- 2.f6#
- 1...Bh8
- 2.f6#
- 1...Se1
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.fxe6#
- 1...Bc3!
- 1...Se3
- 1.Qa3?
- 1...Se3
- 2.Qxe3#
- 1...Ba1
- 2.f6#
- 1...Bb2
- 2.f6#
- 1...Bd4
- 2.f6#
- 1...Bh4
- 2.f6#
- 1...Be5
- 2.f6#
- 1...Bg5
- 2.f6#
- 1...Bg7
- 2.f6#
- 1...Bh8
- 2.f6#
- 1...Se1
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.fxe6#
- 1...Bc3!
- 1...Se3
- 1.Qc3?
- 1...Se3
- 2.Qxe3#
- 1...Bd4
- 2.f6#
- 1...Bh4
- 2.f6#
- 1...Be5
- 2.Sfg5#
- 2.f6#
- 1...Bg5
- 2.Sfxg5#
- 2.f6#
- 1...Bg7
- 2.Sfg5#
- 2.f6#
- 1...Bh8
- 2.Sfg5#
- 2.f6#
- 1...Se1
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.fxe6#
- 1...Bxc3!
- 1...Se3
- 1.Ka4?
- Keys
- 1.Qd1!
- 1...Kd3
- 2.Sf2#
- 1...Ba1
- 2.f6#
- 1...Bb2
- 2.f6#
- 1...Bc3
- 2.f6#
- 1...Bd4
- 2.f6#
- 1...Bh4
- 2.f6#
- 1...Be5
- 2.f6#
- 1...Bg5
- 2.f6#
- 1...Bg7
- 2.f6#
- 1...Bh8
- 2.f6#
- 1...Se1
- 2.Qe2#
- 1...Se3
- 2.d3#
- 1...Sf4
- 2.Sf2#
- 1...Sh4
- 2.Qe2#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.fxe6#
- 1...Kd3
- 1.Qd1!
This anticipates 180542(1901)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(c);OGATE::B(H)+P(G)
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- P(d);OGATE::B(H)+P(G),XP(d),EP
- P(d);OGATE::B(H)+P(G),XP(d)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- B(c);OGATE::B(H)+P(G)
- S(a);N_GUARD::QAR1(B)
- P(d);OGATE::B(H)+P(G),XP(d),EP
- P(d);OGATE::B(H)+P(G),XP(d)
- Refutation
- B(c);
- Try
- K(F);P-FLIGHT
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- B(c);OGATE::B(H)+P(G)
- S(a);N_GUARD::QAR1(B)
- P(d);OGATE::B(H)+P(G),XP(d),EP
- P(d);OGATE::B(H)+P(G),XP(d)
- Refutation
- B(c);CHECK
- Try
- K(F);P-FLIGHT
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- B(c);OGATE::B(H)+P(G)
- S(a);N_GUARD::QAR1(B)
- P(d);OGATE::B(H)+P(G),XP(d),EP
- P(d);OGATE::B(H)+P(G),XP(d)
- Refutation
- B(c);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- B(c);OGATE::B(H)+P(G)
- S(a);N_GUARD::QAR1(B)
- P(d);OGATE::B(H)+P(G),XP(d),EP
- P(d);OGATE::B(H)+P(G),XP(d)
- Refutation
- B(c);
- Try
- K(F);S_FLIGHT
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- B(c);OGATE::B(H)+P(G)
- S(a);N_GUARD::QAR1(B)
- P(d);OGATE::B(H)+P(G),XP(d),EP
- P(d);OGATE::B(H)+P(G),XP(d)
- Refutation
- B(c);
- Try
- B(H);
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- B(c);OGATE::B(H)+P(G)
- S(a);N_GUARD::QAR1(B)
- P(d);OGATE::B(H)+P(G),XP(d),EP
- P(d);OGATE::B(H)+P(G),XP(d)
- Refutation
- B(c);
- Try
- Q(B);
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- B(c);OGATE::B(H)+P(G)
- S(a);N_GUARD::QAR1(B)
- P(d);OGATE::B(H)+P(G),XP(d),EP
- P(d);OGATE::B(H)+P(G),XP(d)
- Refutation
- B(c);
- Try
- Q(B);
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- B(c);OGATE::B(H)+P(G)
- S(a);N_GUARD::QAR1(B)
- P(d);OGATE::B(H)+P(G),XP(d),EP
- P(d);OGATE::B(H)+P(G),XP(d)
- Refutation
- B(c);XQ(B)
- Try
- Actual
- Q(B);
- Vars
- K(b);S_FLIGHT::S(D)
- B(c);OGATE::B(H)+P(G)
- S(a);N_GUARD::QAR2(B)
- S(a);SBLOCK::P(A)
- S(a);SBLOCK::S(D)
- P(d);OGATE::B(H)+P(G),XP(d),EP
- P(d);OGATE::B(H)+P(G),XP(d)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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