MESON Chess Problem Database
Problem Display
PID: 5050 (K1kN3R/2Np4/4R3/5B2/6p1/2Q4q/8/8 w - - 0 1)
Hermann, Reinhard
von Holzhausen, Walther Freiherr
Frankfurter Schachzeitung, 1898
#2
7 + 4
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sb7#
- 2.Sf7#
- 1...Qg2+
- 2.Sd5#
- 2.Sb7#
- 1...Qh1+
- 2.Sd5#
- 1...Qd3
- 2.Sb7#
- 2.Sf7#
- 1...Qe3
- 2.Sb7#
- 2.Sf7#
- 1...Qf3+
- 2.Sb7#
- 1...Qg3
- 2.Sb7#
- 2.Sf7#
- 1...Qh4
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 1...Qh5
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 1...Qh6
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 1...Qh7
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 1...g3
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 1...dxe6
- 2.Bxe6#
- 1...d5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Re5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Reh6#
- 2.Re7#
- 2.Ree8#
- 1...d6
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Re5#
- 2.Rxd6#
- 2.Rf6#
- 2.Rg6#
- 2.Reh6#
- 2.Re7#
- 2.Ree8#
- 1...Qf1
- Tries
- 1.Se8+?
- 1...Kxd8
- 2.Qc7#
- 1...Qxc3!
- 1...Kxd8
- 1.Sc6+?
- 1...Kxc7
- 2.Qa5#
- 1...Qxh8!
- 1...Kxc7
- 1.Rb6?
- threat
- 2.Rb8#
- 1...Qg2+
- 2.Sd5#
- 2.Sb7#
- 1...Qh1+
- 2.Sd5#
- 1...Qf3+
- 2.Sb7#
- 1...Qxc3!
- threat
- 1.Rf6?
- 1...Qg2+
- 2.Sd5#
- 2.Sb7#
- 1...Qh1+
- 2.Sd5#
- 1...Qf3+
- 2.Sb7#
- 1...Qxc3
- 2.Sde6#
- 1...Qxh8
- 2.Sce6#
- 1...Qf1
- 2.Sde6#
- 2.Sb7#
- 2.Sf7#
- 1...Qd3
- 2.Sde6#
- 2.Sb7#
- 2.Sf7#
- 1...Qe3
- 2.Sde6#
- 1...Qg3
- 2.Sde6#
- 2.Sb7#
- 2.Sf7#
- 1...Qh4
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...Qh5
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...Qh6
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...Qh7
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...g3
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...Qh2!
- 1...Qg2+
- 1.Reh6?
- threat
- 2.Sde6#
- 2.Sb7#
- 2.Sf7#
- 1...Qg2+
- 2.Sd5#
- 2.Sb7#
- 1...Qh1+
- 2.Sd5#
- 2.Sb7#
- 1...Qf3+
- 2.Sb7#
- 1...Qxh6
- 2.Sce6#
- 1...Qe3
- 2.Sde6#
- 1...Qh4
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...Qh5
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 2.Sf7#
- 1...Qxc3!
- threat
- 1.Ree8?
- threat
- 2.Sde6#
- 2.Sb7#
- 2.Sf7#
- 1...Qg2+
- 2.Sd5#
- 2.Sb7#
- 1...Qh1+
- 2.Sd5#
- 2.Sb7#
- 1...Qf3+
- 2.Sb7#
- 1...Qxc3
- 2.Sde6#
- 1...Qe3
- 2.Sde6#
- 1...Qh4
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...Qh5
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 2.Sf7#
- 1...Qxh8!
- threat
- 1.Se8+?
- Keys
- 1.Re5!
- 1...Qg2+
- 2.Sd5#
- 2.Sb7#
- 1...Qh1+
- 2.Sd5#
- 1...Qf3+
- 2.Sb7#
- 1...Qxc3
- 2.Sde6#
- 1...Qxh8
- 2.Sce6#
- 1...Qf1
- 2.Sde6#
- 2.Sb7#
- 2.Sf7#
- 1...Qh2
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...Qd3
- 2.Sde6#
- 2.Sb7#
- 2.Sf7#
- 1...Qe3
- 2.Sde6#
- 2.Sb7#
- 2.Sf7#
- 1...Qg3
- 2.Sde6#
- 2.Sb7#
- 2.Sf7#
- 1...Qh4
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...Qh5
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...Qh6
- 2.Sce6#
- 1...Qh7
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...g3
- 2.Sb5#
- 2.Sd5#
- 2.Sa6#
- 2.Sce6#
- 1...Qg2+
- 1.Re5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- Q(a);CHECK,N_GUARD::QAR(A)+S(D)
- Q(a);CHECK,N_GUARD::R(G)+S(F)
- P(c);OGATE,P_SPINP(c),XR(C)::B(B),XP(c)
- Tries
- Try
- S(D);CHECK
- Vars
- K(d);P-FLIGHT,XS(F)::QAB1(A)
- Refutation
- Q(a);XQ(A)
- Try
- S(F);CHECK
- Vars
- K(d);P-FLIGHT,XS(D)::QAB(A)
- Refutation
- Q(a);XR(G)
- Try
- R(C);P_PINP(c)
- Threat
- R1(C)
- Vars
- Q(a);CHECK,N_GUARD::QAR(A)+S(D)
- Q(a);CHECK,N_GUARD::R(G)+S(F)
- Refutation
- Q(a);XQ(A)
- Try
- R(C);P_PINP(c)
- Vars
- Q(a);CHECK,N_GUARD::QAR(A)+S(D)
- Q(a);CHECK,N_GUARD::R(G)+S(F)
- Q(a);N_GUARD,XQ(A)::R(G)+S(F)
- Q(a);N_GUARD,XR(G)::QAR(A)+S(D)
- Q(a);N_GUARD::R(G)+S(F)
- Refutation
- Q(a);
- Try
- R(C);P_PINP(c)
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK::R(G)+S(F)
- Q(a);N_GUARD,XR(C)::QAR(A)+S(D)
- Q(a);::R(G)+S(F)
- Refutation
- Q(a);XQ(A)
- Try
- R(C);P_PINP(c)
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK::R(C)+S(F)
- Q(a);XQ(A)::R(C)+S(F)
- Q(a);::R(C)+S(F)
- Refutation
- Q(a);XR(G)
- Try
- Actual
- R(C);P_PINP(c)
- Vars
- Q(a);CHECK,N_GUARD::QAR(A)+S(D)
- Q(a);CHECK,N_GUARD::R(G)+S(F)
- Q(a);N_GUARD,XQ(A)::R(G)+S(F)
- Q(a);N_GUARD,XR(G)::QAR(A)+S(D)
- Q(a);N_GUARD::QAR(A)+S(D)
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).