MESON Chess Problem Database
Problem Display
PID: 186117 (8/7p/1B1RQ3/1B2P3/Rn1qkN2/4P2p/1b4PK/3n1N2 w - - 0 1)
Besson, Marcel
Basler Nachrichten, 1942
#2
11 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qc3
- 2.Sg3#
- 1...Qc5
- 2.Bd3#
- 1...Qxe5
- 2.Sd2#
- 2.Sg3#
- 2.Bd3#
- 2.Bc6#
- 1...Qxb6
- 2.Bd3#
- 1...Qd2
- 2.Sxd2#
- 2.Sg3#
- 1...Qd3
- 2.Sg3#
- 2.Bxd3#
- 1...Qc4
- 2.Sd2#
- 2.Sg3#
- 1...Qd5
- 2.Sg3#
- 1...Qxd6
- 2.Sg3#
- 1...Bc1
- 2.Rxd4#
- 1...Ba3
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...Sa2
- 2.Bd3#
- 2.Bc6#
- 1...Sc2
- 2.Bd3#
- 2.Bc6#
- 1...Sd3
- 2.Bxd3#
- 2.Bc6#
- 1...Sd5
- 2.Bd3#
- 1...Sa6
- 2.Bd3#
- 2.Bc6#
- 1...Sc6
- 2.Bd3#
- 2.Bxc6#
- 1...Qc3
- Tries
- 1.Se2?
- threat
- 2.Seg3#
- 1...Qxe3
- 2.Bc6#
- 1...Sxe3
- 2.Sfg3#
- 1...hxg2!
- threat
- 1.Sxh3?
- threat
- 2.Sg5#
- 1...Qxe5+
- 2.Sg3#
- 1...Qxe3
- 2.Bc6#
- 1...Sxe3
- 2.Sg3#
- 1...h6!
- threat
- 1.Sh5?
- threat
- 2.Shg3#
- 2.Sf6#
- 1...Qxe5+
- 2.Sfg3#
- 2.Shg3#
- 1...Qxe3
- 2.Bc6#
- 1...Sxe3
- 2.Sfg3#
- 1...Sd5
- 2.Shg3#
- 1...hxg2!
- threat
- 1.Bd3+?
- 1...Qxd3
- 2.Sg3#
- 1...Sxd3!
- 1...Qxd3
- 1.Bc6+?
- 1...Qd5
- 2.Sd2#
- 2.Sg3#
- 2.Bxd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sxc6!
- 1...Qd5
- 1.Bxd4?
- threat
- 2.Sd2#
- 2.Sg3#
- 1...Bxd4
- 2.Rxd4#
- 1...hxg2
- 2.Sd2#
- 1...Bc1
- 2.Sg3#
- 1...Bc3
- 2.Sg3#
- 1...Sxe3!
- threat
- 1.Rxb4?
- threat
- 2.Bd3#
- 2.Bc6#
- 1...hxg2
- 2.Bc6#
- 1...Qc4
- 2.Sd2#
- 2.Sg3#
- 2.Bc6#
- 1...Sf2
- 2.Bc6#
- 1...Sc3
- 2.Bd3#
- 2.Rbxd4#
- 2.Rdxd4#
- 1...Sxe3!
- threat
- 1.Qg6+?
- 1...Kxe5
- 2.Re6#
- 2.Qe6#
- 1...hxg6!
- 1...Kxe5
- 1.Se2?
- Keys
- 1.Sd3!
- threat
- 2.Qg4#
- 1...Qxe5+
- 2.Sg3#
- 1...Qxe3
- 2.Bc6#
- 1...Qxd3
- 2.Sg3#
- 2.Bxd3#
- 1...Qxd6
- 2.Sd2#
- 2.Sg3#
- 1...Sxe3
- 2.Sd2#
- 2.Sg3#
- 1...Sxd3
- 2.Bc6#
- 1...Sf2
- 2.Sxf2#
- 1...Sd5
- 2.Sc5#
- 1...h5
- 2.Qg6#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 8
- Sets
- Q(e);P_SPINS(d)::S(A)
- Q(e);N_GUARD,P_SPINS(d)::B(G)
- Q(e);N_GUARD,P_SPINS(d),XB(I)::B(G)
- Q(e);P_SPINS(d),XR(J)::S(A)
- B(b);N_GUARD::R1(J),XQ(e)
- S(a);S_CUTB(b)::R1(J),XQ(e)
- S(d);N_GUARD,P_SPINQ(e)::B(G)
- Tries
- Try
- S(F);
- Threat
- S(F)
- Vars
- Q(e);N_GUARD,P_SPINS(d),XP(D)::B(G)
- S(a);SBLOCK,XP(D)::S(A)
- Refutation
- P(c);XP(B)
- Try
- S(F);XP(c)
- Threat
- S(F)
- Vars
- Q(e);CHECK,P_SPINQ(e),P_SPINS(d),XP(H)::S(A)
- Q(e);N_GUARD,P_SPINS(d),XP(D)::B(G)
- S(a);SBLOCK,XP(D)::S(A)
- Refutation
- P(g);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(e);N_GUARD,P_SPINS(d),XP(D)::B(G)
- S(a);SBLOCK,XP(D)::S(A)
- S(d);P_SPINQ(e)::S(F)
- Refutation
- P(c);XP(B)
- Try
- B(G);CHECK
- Vars
- Q(e);P_SPINS(d),XB(G)::S(A)
- Refutation
- S(d);P_SPINQ(e),XB(G)
- Try
- B(G);CHECK
- Vars
- S(d);N_GUARD,P_SPINQ(e),P_SPINS(d)::B(G),XS(d)
- Refutation
- S(d);P_SPINQ(e),XB(G)
- Try
- B(I);XQ(e)
- Threat
- DUALS(2)
- Vars
- B(b);OGATE,XB(I)::R1(J),XB(b)
- P(c);XP(B)::S(A)
- B(b);::S(A)
- Refutation
- S(a);XP(D)
- Try
- R(E);P_PINQ(e),XS(d)
- Threat
- DUALS(2)
- Vars
- P(c);XP(B)::B(G)
- S(a);::B(G)
- Refutation
- S(a);XP(D)
- Try
- Q(K);CHECK
- Refutation
- P(g);XQ(K)
- Try
- Actual
- S(F);
- Threat
- QAR2(K)
- Vars
- Q(e);CHECK,P_SPINQ(e),P_SPINS(d),XP(H)::S(A)
- Q(e);N_GUARD,P_SPINS(d),XP(D)::B(G)
- S(d);N_GUARD,P_SPINQ(e),SBLOCK,XS(F)::B(G)
- S(a);N_GUARD::S(F),XS(a)
- S(d);P_SPINQ(e)::S(F)
- P(g);N_GUARD::QAB(K)
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).