MESON Chess Problem Database
Problem Display
PID: 245619 (2B2B2/5n2/1bP2p1R/qN1k3r/Prb1NQ1p/5P2/6P1/2R4K w - - 0 1)
Musante, Horacio Luis
Parallele 50, 1950
#2
12 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Sxf6#
- 1...Ba2
- 2.Sxf6#
- 1...Be2
- 2.Sxf6#
- 1...Bb3
- 2.Sxf6#
- 1...Bd3
- 2.Sxf6#
- 1...Bxb5
- 2.Sxf6#
- 1...Sg5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sxh6
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...Sh8
- 2.Qd6#
- 1...f5
- 2.Sec3#
- 1...Bf1
- Tries
- 1.Sbc3+?
- 1...Kd4
- 2.Sf2#
- 2.Sc5#
- 1...Kxc6!
- 1...Kd4
- 1.Bd7?
- threat
- 2.Sec3#
- 2.Sxf6#
- 1...Rxa4
- 2.Sxf6#
- 1...Rxb5
- 2.Sxf6#
- 1...Rxh6
- 2.Sec3#
- 1...Rb1
- 2.Sxf6#
- 1...Rb2
- 2.Sxf6#
- 1...Rb3
- 2.Sxf6#
- 1...Rf5
- 2.Sec3#
- 1...Bd8
- 2.Sec3#
- 1...Sd6
- 2.Qxd6#
- 1...f5
- 2.Sec3#
- 2.Sf6#
- 1...Bd4!
- threat
- 1.Qf5+?
- 1...Kxc6
- 2.Qd7#
- 1...Se5
- 2.Qe6#
- 1...Rxf5!
- 1...Kxc6
- 1.Qxf6?
- threat
- 2.Sec3#
- 2.Sbc3#
- 2.Qe6#
- 1...Qxb5
- 2.Sc3#
- 1...Rxa4
- 2.Qe6#
- 1...Rxh6
- 2.Sec3#
- 2.Sbc3#
- 1...Bxb5
- 2.Be6#
- 1...Sd6
- 2.Qxd6#
- 1...Bd3
- 2.Be6#
- 2.Qe6#
- 1...Rb1
- 2.Qe6#
- 1...Rb2
- 2.Qe6#
- 1...Rb3
- 2.Qe6#
- 1...Re5
- 2.Sec3#
- 1...Bf1
- 2.Be6#
- 2.Qe6#
- 1...Ba2
- 2.Be6#
- 2.Qe6#
- 1...Be2
- 2.Be6#
- 2.Qe6#
- 1...Bb3
- 2.Be6#
- 2.Qe6#
- 1...Bd4
- 2.Qxd4#
- 2.Qe6#
- 1...Se5
- 2.Sec3#
- 2.Qd6#
- 2.Qe6#
- 1...Sg5
- 2.Sec3#
- 2.Sbc3#
- 2.Qf5#
- 2.Qd6#
- 1...Sd8
- 2.Sec3#
- 2.Sbc3#
- 2.Rxh5#
- 2.Qd6#
- 1...Rxb5!
- threat
- 1.Sbc3+?
- Keys
- 1.Sg5!
- threat
- 2.Qe4#
- 1...Kxc6
- 2.Qe4#
- 1...Bxb5
- 2.Be6#
- 1...Sxg5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Bf1
- 2.Be6#
- 1...Ba2
- 2.Be6#
- 1...Be2
- 2.Be6#
- 1...Bb3
- 2.Be6#
- 1...Bd3
- 2.Be6#
- 1...f5
- 2.Sc3#
- threat
- 1.Sg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 7
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(b);::S(F),XP(h)
- B(b);XS(H)::S(F),XP(h)
- S(i);N_GUARD::QAR1(G)
- S(i);N_GUARD::QAR1(G),XS(i)
- S(i);N_GUARD,XR(J)::QAR1(G)
- P(h);::S(F)
- Tries
- Try
- S(H);CHECK
- Refutation
- K(e);P_SPINP(h),S_FLIGHT,XP(I)
- Try
- B(K);
- Threat
- DUALS(2)
- Vars
- R(a);XP(E)::S(F),XP(h)
- R(a);XS(H)::S(F),XP(h)
- R(f);XR(J)::S(F)
- R(a);P_PINR(A)::S(F),XP(h)
- R(a);::S(F),XP(h)
- R(f);::S(F)
- B(g);::S(F)
- S(i);N_GUARD::QAR1(G),XS(i)
- Refutation
- B(g);
- Try
- Q(G);CHECK
- Vars
- K(e);P_SPINB(b),P_SPINP(h),S_FLIGHT,XP(I)::QAB1(G)
- S(i);P_SPINS(i)::QAB1(G)
- Refutation
- R(f);XQ(G)
- Try
- Q(G);XP(h)
- Threat
- DUALS(3)
- Vars
- Q(d);XS(H)::S(F)
- R(a);XP(E)::QAB1(G)
- B(b);XS(H)::B(K)
- S(i);N_GUARD::QAR1(G),XS(i)
- R(a);P_PINR(A)::QAB1(G)
- R(a);::QAB1(G)
- R(f);::S(F)
- Refutation
- R(a);XS(H)
- Try
- Actual
- S(F);
- Threat
- QAB1(G)
- Vars
- K(e);P_SPINB(b),P_SPINP(h),S_FLIGHT,XP(I)::QAB(G)
- B(b);XS(H)::B(K)
- S(i);N_GUARD,XS(F)::QAR1(G)
- S(i);N_GUARD::QAR1(G),XS(i)
- B(b);::B(K)
- P(h);::S(H)
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).