MESON Chess Problem Database
Problem Display
PID: 4938 (2K5/8/2R1P3/6Bn/4bq2/8/NN1kPQ2/8 w - - 0 1)
L'Hermet, Johann Georg Rudolf
1st Prize, NY Staats Zeitung, 1894
#2
8 + 4
| 2794 | Terms & Themes of Chess Problems | 1907 |
| 3360 | Simple Two-move Themes | 1924 |
| 5501 | Chess Cameos | 1936 |
| 3310 | 2345 Chess Problems | 1997 |
| 5637 | Prague Series Solving Ty. | 2002-2003 |
| 5405 | Chess Solving Yearbook 2003 | 2004 |
| 56 | The Problemist | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Qe3
- 2.Bxe3#
- 1...Qxg5
- 2.e3#
- 1...Bb1
- 2.e4#
- 1...Bh1
- 2.e4#
- 1...Bc2
- 2.e4#
- 1...Bg2
- 2.e4#
- 1...Bd3
- 2.exd3#
- 1...Bf3
- 2.exf3#
- 1...Bd5
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Bxc6
- 2.e4#
- 1...Bg6
- 2.e4#
- 1...Bh7
- 2.e4#
- 1...Sg3
- 2.Bxf4#
- 1...Sf6
- 2.Bxf4#
- 1...Sg7
- 2.Bxf4#
- 1...Qe3
- Tries
- 1.Kb7?
- 1...Qxg5
- 2.e3#
- 1...Qe3
- 2.Bxe3#
- 1...Bb1
- 2.e4#
- 1...Bh1
- 2.e4#
- 1...Bc2
- 2.e4#
- 1...Bg2
- 2.e4#
- 1...Bd3
- 2.exd3#
- 1...Bf3
- 2.exf3#
- 1...Bd5
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Bg6
- 2.e4#
- 1...Bh7
- 2.e4#
- 1...Sg3
- 2.Bxf4#
- 1...Sf6
- 2.Bxf4#
- 1...Sg7
- 2.Bxf4#
- 1...Bxc6+!
- 1...Qxg5
- 1.Kd8?
- 1...Bxc6
- 2.e4#
- 1...Qe3
- 2.Bxe3#
- 1...Bb1
- 2.e4#
- 1...Bh1
- 2.e4#
- 1...Bc2
- 2.e4#
- 1...Bg2
- 2.e4#
- 1...Bd3
- 2.exd3#
- 1...Bf3
- 2.exf3#
- 1...Bd5
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Bg6
- 2.e4#
- 1...Bh7
- 2.e4#
- 1...Sg3
- 2.Bxf4#
- 1...Sf6
- 2.Bxf4#
- 1...Sg7
- 2.Bxf4#
- 1...Qxg5+!
- 1...Bxc6
- 1.Sb4?
- 1...Qxg5
- 2.e3#
- 1...Bc2
- 2.Rxc2#
- 1...Qe3
- 2.Bxe3#
- 1...Bb1
- 2.e4#
- 1...Bh1
- 2.Rc2#
- 2.e4#
- 1...Bg2
- 2.Rc2#
- 2.e4#
- 1...Bd3
- 2.exd3#
- 1...Bf3
- 2.Rc2#
- 2.exf3#
- 1...Bd5
- 2.Rc2#
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Bg6
- 2.e4#
- 1...Bh7
- 2.e4#
- 1...Sg3
- 2.Bxf4#
- 1...Sf6
- 2.Bxf4#
- 1...Sg7
- 2.Bxf4#
- 1...Bxc6!
- 1...Qxg5
- 1.Rc1?
- threat
- 2.Sc4#
- 1...Bd3
- 2.exd3#
- 1...Bd5
- 2.e4#
- 1...Bb7+!
- threat
- 1.Rc2+?
- 1...Bxc2
- 2.e4#
- 1...Kxc2!
- 1...Bxc2
- 1.Rc3?
- 1...Qxg5
- 2.e3#
- 1...Qe3
- 2.Bxe3#
- 1...Bb1
- 2.e4#
- 1...Bh1
- 2.e4#
- 1...Bc2
- 2.e4#
- 1...Bg2
- 2.e4#
- 1...Bd3
- 2.exd3#
- 1...Bf3
- 2.exf3#
- 1...Bd5
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Bc6
- 2.e4#
- 1...Bg6
- 2.e4#
- 1...Bh7
- 2.e4#
- 1...Ba8
- 2.e4#
- 1...Sg3
- 2.Bxf4#
- 1...Sf6
- 2.Bxf4#
- 1...Sg7
- 2.Bxf4#
- 1...Bb7+!
- 1...Qxg5
- 1.Rc4?
- 1...Qxg5
- 2.e3#
- 1...Qe3
- 2.Bxe3#
- 1...Bb1
- 2.e4#
- 1...Bh1
- 2.e4#
- 1...Bc2
- 2.e4#
- 1...Bg2
- 2.e4#
- 1...Bd3
- 2.exd3#
- 1...Bf3
- 2.exf3#
- 1...Bd5
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Bc6
- 2.e4#
- 1...Bg6
- 2.e4#
- 1...Bh7
- 2.e4#
- 1...Ba8
- 2.e4#
- 1...Sg3
- 2.Bxf4#
- 1...Sf6
- 2.Bxf4#
- 1...Sg7
- 2.Bxf4#
- 1...Bb7+!
- 1...Qxg5
- 1.Rc5?
- 1...Qxg5
- 2.e3#
- 1...Qe3
- 2.Bxe3#
- 1...Bb1
- 2.e4#
- 1...Bh1
- 2.e4#
- 1...Bc2
- 2.e4#
- 1...Bg2
- 2.e4#
- 1...Bd3
- 2.exd3#
- 1...Bf3
- 2.exf3#
- 1...Bd5
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Bc6
- 2.e4#
- 1...Bg6
- 2.e4#
- 1...Bh7
- 2.e4#
- 1...Ba8
- 2.e4#
- 1...Sg3
- 2.Bxf4#
- 1...Sf6
- 2.Bxf4#
- 1...Sg7
- 2.Bxf4#
- 1...Bb7+!
- 1...Qxg5
- 1.Rd6+?
- 1...Bd3
- 2.exd3#
- 2.e4#
- 1...Bd5
- 2.e4#
- 1...Kc2!
- 1...Bd3
- 1.Rc7?
- 1...Qxg5
- 2.e3#
- 1...Bc6
- 2.e4#
- 1...Qe3
- 2.Bxe3#
- 1...Bb1
- 2.e4#
- 1...Bh1
- 2.e4#
- 1...Bc2
- 2.e4#
- 1...Bg2
- 2.e4#
- 1...Bd3
- 2.exd3#
- 1...Bf3
- 2.exf3#
- 1...Bd5
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Bg6
- 2.e4#
- 1...Bh7
- 2.e4#
- 1...Ba8
- 2.e4#
- 1...Sg3
- 2.Bxf4#
- 1...Sf6
- 2.Bxf4#
- 1...Sg7
- 2.Bxf4#
- 1...Bb7+!
- 1...Qxg5
- 1.e7?
- 1...Qxg5
- 2.e3#
- 1...Bxc6
- 2.e4#
- 1...Qe3
- 2.Bxe3#
- 1...Bb1
- 2.e4#
- 1...Bh1
- 2.e4#
- 1...Bc2
- 2.e4#
- 1...Bg2
- 2.e4#
- 1...Bd3
- 2.exd3#
- 1...Bf3
- 2.exf3#
- 1...Bd5
- 2.e4#
- 1...Bg6
- 2.e4#
- 1...Bh7
- 2.e4#
- 1...Sg3
- 2.Bxf4#
- 1...Sf6
- 2.Bxf4#
- 1...Sg7
- 2.Bxf4#
- 1...Bf5+!
- 1...Qxg5
- 1.Kb7?
- Keys
- 1.Bh6!
- 1...Qxh6
- 2.e3#
- 1...Bxc6
- 2.e4#
- 1...Qe3
- 2.Bxe3#
- 1...Qg5
- 2.e3#
- 1...Bb1
- 2.e4#
- 1...Bh1
- 2.e4#
- 1...Bc2
- 2.e4#
- 1...Bg2
- 2.e4#
- 1...Bd3
- 2.exd3#
- 1...Bf3
- 2.exf3#
- 1...Bd5
- 2.e4#
- 1...Bf5
- 2.e4#
- 1...Bg6
- 2.e4#
- 1...Bh7
- 2.e4#
- 1...Sg3
- 2.Bxf4#
- 1...Sf6
- 2.Bxf4#
- 1...Sg7
- 2.Bxf4#
- 1...Qxh6
- 1.Bh6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(c);OGATE::B(E),XQ(c)
- Q(c);N_GUARD,N_SPINQ(c),XB(E)::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C),XB(b)
- B(b);OGATE,P_PINP(G)::QAR(D)+P(C)
- B(b);OGATE,XR(F)::QAR(D)+P(C)
- S(d);N_GUARD::B(E),XQ(c)
- Tries
- Try
- K(H);P_SPINR(F),S_FLIGHT
- Vars
- Q(c);N_GUARD,N_SPINQ(c),XB(E)::QAR(D)+P(C)
- Q(c);OGATE::B(E),XQ(c)
- B(b);N_PINR(F),OGATE::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C)
- B(b);N_PINR(F),OGATE::QAR(D)+P(C),XB(b)
- B(b);OGATE::QAR(D)+P(C),XB(b)
- S(d);N_GUARD::B(E),XQ(c)
- Refutation
- B(b);CHECK,XR(F)
- Try
- K(H);P-FLIGHT
- Vars
- B(b);OGATE,XR(F)::QAR(D)+P(C)
- Q(c);OGATE::B(E),XQ(c)
- B(b);OGATE::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C),XB(b)
- S(d);N_GUARD::B(E),XQ(c)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XB(E)
- Try
- S(A);
- Vars
- Q(c);N_GUARD,N_SPINQ(c),XB(E)::QAR(D)+P(C)
- B(b);N_GUARD::R1(F),XB(b)
- Q(c);OGATE::B(E),XQ(c)
- B(b);OGATE::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C),XB(b)
- B(b);OGATE,P_PINP(G)::QAR(D)+P(C)
- S(d);N_GUARD::B(E),XQ(c)
- Refutation
- B(b);XR(F)
- Try
- R(F);
- Threat
- S(B)
- Vars
- B(b);OGATE::QAR(D)+P(C),XB(b)
- B(b);OGATE::QAR(D)+P(C)
- Refutation
- B(b);CHECK
- Try
- R(F);CHECK
- Vars
- B(b);OGATE,SBLOCK,XR(F)::QAR(D)+P(C)
- Refutation
- K(a);N_SPINQ(c),P-FLIGHT,XR(F)
- Try
- R(F);
- Vars
- Q(c);N_GUARD,N_SPINQ(c),XB(E)::QAR(D)+P(C)
- Q(c);OGATE::B(E),XQ(c)
- B(b);OGATE::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C),XB(b)
- B(b);OGATE,P_PINP(G)::QAR(D)+P(C)
- S(d);N_GUARD::B(E),XQ(c)
- Refutation
- B(b);CHECK
- Try
- R(F);
- Vars
- Q(c);N_GUARD,N_SPINQ(c),XB(E)::QAR(D)+P(C)
- Q(c);OGATE::B(E),XQ(c)
- B(b);OGATE::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C),XB(b)
- B(b);OGATE,P_PINP(G)::QAR(D)+P(C)
- S(d);N_GUARD::B(E),XQ(c)
- Refutation
- B(b);CHECK
- Try
- R(F);
- Vars
- Q(c);N_GUARD,N_SPINQ(c),XB(E)::QAR(D)+P(C)
- Q(c);OGATE::B(E),XQ(c)
- B(b);OGATE::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C),XB(b)
- B(b);OGATE,P_PINP(G)::QAR(D)+P(C)
- S(d);N_GUARD::B(E),XQ(c)
- Refutation
- B(b);CHECK
- Try
- R(F);CHECK
- Vars
- B(b);OGATE,P_SPINB(b)::QAR(D)+P(C)
- Refutation
- K(a);N_SPINQ(c),P-FLIGHT
- Try
- R(F);
- Vars
- Q(c);N_GUARD,N_SPINQ(c),XB(E)::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C)
- Q(c);OGATE::B(E),XQ(c)
- B(b);OGATE::QAR(D)+P(C),XB(b)
- B(b);OGATE,P_PINP(G)::QAR(D)+P(C)
- S(d);N_GUARD::B(E),XQ(c)
- Refutation
- B(b);CHECK
- Try
- P(G);
- Vars
- Q(c);N_GUARD,N_SPINQ(c),XB(E)::QAR(D)+P(C)
- B(b);OGATE,XR(F)::QAR(D)+P(C)
- Q(c);OGATE::B(E),XQ(c)
- B(b);OGATE::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C),XB(b)
- S(d);N_GUARD::B(E),XQ(c)
- Refutation
- B(b);CHECK
- Try
- Actual
- B(E);
- Vars
- Q(c);N_GUARD,N_SPINQ(c),XB(E)::QAR(D)+P(C)
- B(b);OGATE,XR(F)::QAR(D)+P(C)
- Q(c);OGATE::B(E),XQ(c)
- Q(c);N_GUARD::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C)
- B(b);OGATE::QAR(D)+P(C),XB(b)
- B(b);OGATE,P_PINP(G)::QAR(D)+P(C)
- S(d);N_GUARD::B(E),XQ(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).