MESON Chess Problem Database
Problem Display
PID: 166371 (3Bb3/2p2pNn/3p2p1/3B3R/3k2p1/1P1N2p1/1P1K1P2/Q2n4 w - - 0 1)
Magini, Fabio
Best Problems, 2017
#2
10 + 10
| 3713 | Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Qxa4#
- 1...Bc6
- 2.Qa7#
- 1...Sxb2
- 2.Qxb2#
- 1...Sc3
- 2.bxc3#
- 1...Se3
- 2.fxe3#
- 1...Sf6
- 2.Bxf6#
- 1...Sf8
- 2.Bf6#
- 1...c6
- 2.Qa4#
- 1...f6
- 2.Se6#
- 1...Ba4
- Tries
- 1.Bh1?
- threat
- 2.Rd5#
- 1...gxh5
- 2.Sf5#
- 1...Bc6
- 2.Qa7#
- 1...Sc3
- 2.bxc3#
- 1...Se3
- 2.fxe3#
- 1...Sg5
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...d5
- 2.Rxd5#
- 1...g5
- 2.Sf5#
- 1...c6
- 2.Qa4#
- 1...f5
- 2.Se6#
- 1...g2!
- threat
- 1.Bf3?
- threat
- 2.Rd5#
- 1...gxh5
- 2.Sf5#
- 1...Bc6
- 2.Qa7#
- 1...Sc3
- 2.bxc3#
- 1...Se3
- 2.fxe3#
- 1...Sg5
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...d5
- 2.Rxd5#
- 1...g5
- 2.Sf5#
- 1...c6
- 2.Qa4#
- 1...f5
- 2.Se6#
- 1...gxf3!
- threat
- 1.Bc6?
- threat
- 2.Qa4#
- 2.Qa7#
- 1...Sxb2
- 2.Qxb2#
- 2.Qa7#
- 1...d5
- 2.Qa4#
- 1...Sc3
- 2.Qa7#
- 2.bxc3#
- 1...Se3
- 2.Qa7#
- 2.fxe3#
- 1...Bxc6!
- threat
- 1.Qc1?
- threat
- 2.Qc4#
- 1...Sxb2
- 2.Qxb2#
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 2.bxc3#
- 1...Se3
- 2.Qc3#
- 2.fxe3#
- 1...Bb5!
- threat
- 1.Bh1?
- Keys
- 1.Bg2!
- threat
- 2.Rd5#
- 1...gxh5
- 2.Sf5#
- 1...Bc6
- 2.Qa7#
- 1...Sc3
- 2.bxc3#
- 1...Se3
- 2.fxe3#
- 1...Sg5
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...d5
- 2.Rxd5#
- 1...g5
- 2.Sf5#
- 1...c6
- 2.Qa4#
- 1...f5
- 2.Se6#
- threat
- 1.Bg2!
This anticipates 263892(2022)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 4
- Sets
- B(j);N_GUARD::QAR(A),XB(j)
- B(j);S_CUTP(g)::QAB(A)
- S(a);OGATE,P_SPINS(a),XP(B)::QAB(A),XS(a)
- S(a);OGATE::P(B),XS(a)
- S(a);OGATE::P(D),XS(a)
- S(i);N_GUARD::B(J),XS(i)
- S(i);N_GUARD::B(J)
- P(g);S_CUTB(j)::QAR(A)
- P(h);N_GUARD::S(I)
- Tries
- Try
- B(G);
- Threat
- R1(H)
- Vars
- P(f);N_GUARD,XR(H)::S(I)
- B(j);S_CUTP(g)::QAB(A)
- S(a);OGATE::P(B),XS(a)
- S(a);OGATE::P(D),XS(a)
- S(i);N_GUARD::B(J)
- S(i);N_GUARD::B(J),XS(i)
- P(e);::R1(H),XP(e)
- P(f);N_GUARD::S(I)
- P(g);S_CUTB(j)::QAR(A)
- P(h);N_GUARD::S(I)
- Refutation
- P(b);
- Try
- B(G);
- Threat
- R1(H)
- Vars
- P(f);N_GUARD,XR(H)::S(I)
- B(j);S_CUTP(g)::QAB(A)
- S(a);OGATE::P(B),XS(a)
- S(a);OGATE::P(D),XS(a)
- S(i);N_GUARD::B(J)
- S(i);N_GUARD::B(J),XS(i)
- P(e);::R1(H),XP(e)
- P(f);N_GUARD::S(I)
- P(g);S_CUTB(j)::QAR(A)
- P(h);N_GUARD::S(I)
- Refutation
- P(d);XB(G)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- P(e);::QAR(A)
- Refutation
- B(j);XB(G)
- Try
- Q(A);
- Threat
- QAR1(A)
- Refutation
- B(j);
- Try
- Actual
- B(G);
- Threat
- R1(H)
- Vars
- P(f);N_GUARD,XR(H)::S(I)
- B(j);S_CUTP(g)::QAB(A)
- S(a);OGATE::P(B),XS(a)
- S(a);OGATE::P(D),XS(a)
- S(i);N_GUARD::B(J)
- S(i);N_GUARD::B(J),XS(i)
- P(e);::R1(H),XP(e)
- P(f);N_GUARD::S(I)
- P(g);S_CUTB(j)::QAR(A)
- P(h);N_GUARD::S(I)
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).