MESON Chess Problem Database
Problem Display
PID: 6443 (2bb4/4p2K/6NR/5B2/4q1PN/4nPPk/r4n2/4B1Q1 w - - 0 1)
Adabashev, Mark Ivanovich
Shakhmatny Listok, 1929
#2
10 + 8
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sf4#
- 1...Qc2
- 2.Sf4#
- 1...Qd3
- 2.Sf4#
- 1...Qxf3
- 2.Sxf3#
- 1...Qd5
- 2.Sf4#
- 1...Qxf5
- 2.Sxf5#
- 1...Qc6
- 2.Sf4#
- 1...Qb7
- 2.Sf4#
- 1...Qa8
- 2.Sf4#
- 1...Qf4
- 2.Sxf4#
- 1...Qxg4
- 2.Sf4#
- 1...Qe6
- 2.Sf4#
- 1...Bxf5
- 2.Sxf5#
- 1...Sfd1
- 2.Sg2#
- 1...Sh1
- 2.Sg2#
- 1...Sd3
- 2.Sg2#
- 1...Sfxg4
- 2.Sg2#
- 1...Sed1
- 2.Qg2#
- 1...Sf1
- 2.Qg2#
- 1...Sc2
- 2.Qg2#
- 1...Sg2
- 2.Qxg2#
- 1...Sc4
- 2.Qg2#
- 1...Sexg4
- 2.Qg2#
- 1...Sd5
- 2.Qg2#
- 1...Sxf5
- 2.Sxf5#
- 2.Qg2#
- 1...Qb1
- Tries
- 1.Bxf2?
- threat
- 2.Sg2#
- 2.Qh1#
- 1...Qxf3
- 2.Sg2#
- 2.Sxf3#
- 1...Qxf5
- 2.Sxf5#
- 2.Qh1#
- 1...Sxf5
- 2.Sxf5#
- 2.Qh1#
- 2.Qg2#
- 1...Qf4
- 2.Sxf4#
- 2.Qh1#
- 1...Qb1
- 2.Sg2#
- 2.Sf4#
- 1...Ra1
- 2.Sg2#
- 1...Sf1
- 2.Sg2#
- 2.Qg2#
- 1...Sg2
- 2.Sxg2#
- 2.Qh1#
- 2.Qxg2#
- 1...e5
- 2.Qh1#
- 1...e6
- 2.Qh1#
- 1...Rxf2!
- threat
- 1.Bxe4?
- threat
- 2.Sf5#
- 2.Sf4#
- 1...Bxg4
- 2.Sf4#
- 1...Sfxg4
- 2.Sf4#
- 1...Sexg4
- 2.Sf4#
- 2.Qg2#
- 1...Sg2
- 2.Qxg2#
- 1...Bf5
- 2.Sxf5#
- 1...Bc7
- 2.Sf5#
- 1...Sd3
- 2.Sg2#
- 2.Sf5#
- 1...Sd5
- 2.Sf5#
- 2.Qg2#
- 1...Sf5
- 2.Sxf5#
- 2.Sf4#
- 2.Qg2#
- 1...e6
- 2.Sf4#
- 1...e5!
- threat
- 1.g5+?
- 1...Qxf5
- 2.Sxf5#
- 1...Qg4
- 2.Sf4#
- 1...Sfg4
- 2.Sg2#
- 1...Seg4
- 2.Qg2#
- 1...Sxf5
- 2.Qg2#
- 1...Bxf5!
- 1...Qxf5
- 1.Bxf2?
- Keys
- 1.Be6!
- threat
- 2.Sf5#
- 1...Qxg6+
- 2.Sxg6#
- 1...Qxf3
- 2.Sxf3#
- 1...Qxg4
- 2.Sf4#
- 1...Sfxg4
- 2.Sg2#
- 1...Sexg4
- 2.Qg2#
- 1...Sg2
- 2.Qxg2#
- 1...Qf4
- 2.Sxf4#
- 1...Qf5
- 2.Sxf5#
- 1...Sf5
- 2.Sxf5#
- 2.Qg2#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 17
- Sets
- Q(e);N_GUARD::S(H)
- Q(e);XP(C)::R(I)+S(F),XQ(e)
- Q(e);P_PINS(H),XB(G)::R(I)+S(F),XQ(e)
- Q(e);N_GUARD::S(H),XQ(e)
- Q(e);N_GUARD,P_SPINQ(e),XP(E)::S(H)
- B(g);P_PINS(H),XB(G)::R(I)+S(F),XB(g)
- S(b);::R(I)+S(F)
- S(b);P_SPINS(b),XP(E)::R(I)+S(F)
- S(c);N_GUARD::QAB1(B)
- S(c);N_GUARD::QAB1(B),XS(c)
- S(c);N_GUARD,P_SPINS(c),XP(E)::QAB1(B)
- Tries
- Try
- B(A);XS(b)
- Threat
- DUALS(2)
- Vars
- R(a);::R(I)+S(F)
- P(f);::QAR2(B)
- Refutation
- R(a);XB(A)
- Try
- B(G);XQ(e)
- Threat
- DUALS(2)
- Vars
- B(g);XP(E)::S(H)
- S(b);XP(E)::S(H)
- S(c);N_GUARD::QAB1(B),XS(c)
- B(g);P_PINS(H)::R(I)+S(F),XB(g)
- B(h);::R(I)+S(F)
- P(f);::S(H)
- Refutation
- P(f);
- Try
- P(E);CHECK
- Vars
- Q(e);P_PINS(H),XB(G)::R(I)+S(F),XQ(e)
- Q(e);P_SPINQ(e)::S(H)
- S(b);P_SPINS(b)::R(I)+S(F)
- S(c);P_SPINS(c)::QAB1(B)
- S(c);XB(G)::QAB1(B)
- Refutation
- B(g);P_PINS(H),XB(G)
- Try
- Actual
- B(G);P_SPINS(H)
- Threat
- R(I)+S(F)
- Vars
- Q(e);CHECK,XS(H)::R(I)+S(F),XQ(e)
- Q(e);N_PINS(H),XP(C)::R(I)+S(F),XQ(e)
- Q(e);N_PINS(H),P_SPINQ(e),XP(E)::S(H)
- S(b);P_SPINS(b),XP(E)::R(I)+S(F)
- S(c);N_GUARD,P_SPINS(c),XP(E)::QAB1(B)
- S(c);N_GUARD::QAB1(B),XS(c)
- Q(e);N_PINS(H)::S(H),XQ(e)
- Q(e);::R(I)+S(F),XQ(e)
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).