MESON Chess Problem Database
Problem Display
PID: 257288 (5r2/bN3R2/1B2b2q/1nr5/3k2N1/5Q2/BP2PP1p/2n4K w - - 0 1)
Mauritius, Ch
Wiener Schachzeitung, 1934
#2
10 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qe3
- 2.Qxe3#
- 2.fxe3#
- 1...Qf4
- 2.Qxf4#
- 1...Qg7
- 2.Qe3#
- 2.Qf4#
- 1...Qh3
- 2.Qf4#
- 1...Qh4
- 2.Qe3#
- 2.Qf4#
- 1...Qh5
- 2.Qe3#
- 2.Qf4#
- 1...Qf6
- 2.Qe3#
- 1...Qg6
- 2.Qe3#
- 1...Qh7
- 2.Qe3#
- 1...Qh8
- 2.Qe3#
- 2.Qf4#
- 1...Bxg4
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bf5
- 2.Qd5#
- 1...Bd7
- 2.Qd5#
- 1...Bc8
- 2.Qd5#
- 1...Bb8
- 2.Bxc5#
- 1...Sxa2
- 2.Qd3#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sc3
- 2.bxc3#
- 1...Qe3
- Tries
- 1.Sxc5?
- threat
- 2.Sxe6#
- 2.Qe4#
- 1...Bxa2
- 2.Qe4#
- 1...Bxg4
- 2.Qe4#
- 2.Qd5#
- 1...Bxf7
- 2.Se6#
- 2.Qe4#
- 1...Sxa2
- 2.Qe4#
- 2.Qd3#
- 1...Bb3
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 2.Qd3#
- 1...Qe3
- 2.Sxe6#
- 2.Qxe3#
- 2.fxe3#
- 1...Qf4
- 2.Sxe6#
- 2.Qxf4#
- 1...Qg6
- 2.Sxe6#
- 2.Qe3#
- 2.e3#
- 1...Qh7
- 2.Sxe6#
- 2.Qe3#
- 2.Qf6#
- 2.e3#
- 1...Bc4
- 2.Sb3#
- 2.Se6#
- 2.Qe4#
- 1...Bd5
- 2.Se6#
- 2.Qxd5#
- 1...Bf5
- 2.Se6#
- 2.Qd5#
- 1...Bd7
- 2.Se6#
- 2.Qe4#
- 2.Qd5#
- 1...Bc8
- 2.Se6#
- 2.Qe4#
- 2.Qd5#
- 1...Sc3
- 2.Sxe6#
- 2.Qxc3#
- 2.bxc3#
- 1...Sd6
- 2.Sxe6#
- 2.Qc3#
- 1...Bxb6!
- threat
- 1.Sd6?
- threat
- 2.Sxb5#
- 2.Qe4#
- 1...Bxa2
- 2.Qe4#
- 1...Bxg4
- 2.Qe4#
- 2.Qd5#
- 1...Bxb6
- 2.Qe4#
- 1...Sxa2
- 2.Qe4#
- 2.Qd3#
- 1...Qe3
- 2.Sxb5#
- 2.Qxe3#
- 2.fxe3#
- 1...Qf4
- 2.Sxb5#
- 2.Qxf4#
- 1...Qg6
- 2.Sxb5#
- 2.Qe3#
- 1...Qh7
- 2.Sxb5#
- 2.Qe3#
- 2.Qf6#
- 1...Bb3
- 2.Qe4#
- 1...Bc4
- 2.Sf5#
- 2.Qe4#
- 1...Bd5
- 2.Sxb5#
- 2.Sf5#
- 2.Qxd5#
- 1...Bf5
- 2.Sxb5#
- 2.Sxf5#
- 2.Qd5#
- 1...Bd7
- 2.Qe4#
- 2.Qd5#
- 1...Sb3
- 2.Qe4#
- 2.Qd3#
- 1...Sa3
- 2.Qe4#
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 2.bxc3#
- 1...Sc7
- 2.Qe4#
- 2.Qc3#
- 1...Sxd6!
- threat
- 1.Rf4+?
- 1...Rxf4
- 2.Qe3#
- 1...Qxf4!
- 1...Rxf4
- 1.Rd7+?
- 1...Bd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bxd7
- 2.Qd5#
- 1...Sd6!
- 1...Bd5
- 1.Qc3+?
- 1...Ke4
- 2.Sxc5#
- 2.f3#
- 1...Sxc3!
- 1...Ke4
- 1.Qf6+?
- 1...Ke4
- 2.Sxc5#
- 2.f3#
- 1...Qxf6!
- 1...Ke4
- 1.e3+?
- 1...Qxe3
- 2.Qxe3#
- 1...Kd3!
- 1...Qxe3
- 1.Sxc5?
- Keys
- 1.Sf6!
- threat
- 2.Qe4#
- 1...Ke5
- 2.Qe4#
- 1...Qxf6
- 2.Qe3#
- 1...Qe3
- 2.Qxe3#
- 1...Qf4
- 2.Qxf4#
- 1...Qh4
- 2.Qe3#
- 1...Qg6
- 2.Qe3#
- 1...Qh7
- 2.Qe3#
- 1...Bd5
- 2.Qxd5#
- 1...Bf5
- 2.Qd5#
- 1...Sc3
- 2.Qxc3#
- 1...Sd6
- 2.Qc3#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- Q(g);N_GUARD::QAR2(F),XQ(g)
- Q(g);N_GUARD::QAR2(F)
- Q(g);N_GUARD::QAB1(F)
- B(f);N_GUARD,XS(G)::QAR1(F)
- B(f);N_GUARD,P_PINQ(F)::QAR1(F),XB(f)
- B(f);N_GUARD::QAR1(F)
- B(h);N_GUARD::B(H),XR(e)
- S(a);N_GUARD,XB(B)::QAR1(F)
- S(a);N_GUARD::QAR1(F)
- S(a);N_GUARD::QAR1(F),XS(a)
- S(d);OGATE::P(C),XS(d)
- Tries
- Try
- S(I);XR(e)
- Threat
- DUALS(2)
- Vars
- B(f);XB(B)::QAR1(F)
- B(f);::QAR1(F)
- Refutation
- B(h);XB(H)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- B(f);XB(B)::QAR1(F)
- B(h);N_SPINR(e),XB(H)::QAR1(F)
- B(f);::QAR1(F)
- Refutation
- S(d);XS(I)
- Try
- R(J);CHECK
- Vars
- R(i);XR(J)::QAB1(F)
- Refutation
- Q(g);XR(J)
- Try
- R(J);CHECK
- Vars
- B(f);N_GUARD,XR(J)::QAR1(F)
- Refutation
- S(d);P_SPINS(d)
- Try
- Q(F);CHECK
- Refutation
- S(d);XQ(F)
- Try
- Q(F);CHECK
- Refutation
- Q(g);XQ(F)
- Try
- P(D);CHECK
- Vars
- Q(g);OGATE,XP(D)::QAB1(F),XQ(g)
- Refutation
- K(c);N_SPINR(e),P-FLIGHT
- Try
- Actual
- S(G);
- Threat
- QAR1(F)
- Vars
- K(c);N_SPINR(e),S_FLIGHT::QAR1(F)
- Q(g);N_GUARD,XS(G)::QAB1(F)
- Q(g);N_GUARD::QAB1(F),XQ(g)
- Q(g);N_GUARD::QAR2(F),XQ(g)
- Q(g);N_GUARD::QAB1(F)
- B(f);N_GUARD,P_PINQ(F)::QAR1(F),XB(f)
- B(f);N_GUARD::QAR1(F)
- S(d);N_GUARD::QAB1(F),XS(d)
- S(d);N_GUARD::QAB1(F)
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).