MESON Chess Problem Database
Problem Display
PID: 6360 (2K1N3/P2pp3/3P4/4pR2/RnQnk1P1/1p6/2r2P1B/1BN2r2 w - - 0 1)
Adabashev, Mark Ivanovich
64 Shakhmatnoe obozrenie, 1929
#2
12 + 9
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.a8Q#
- 2.a8B#
- 1...Sd3
- 2.a8Q#
- 2.a8B#
- 1...Sa6
- 2.a8Q#
- 2.a8B#
- 1...exd6
- 2.Sxd6#
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Sa2
- Tries
- 1.Se2?
- threat
- 2.Sc3#
- 2.Sg3#
- 1...Rxb1
- 2.Sg3#
- 1...Rg1
- 2.Sc3#
- 1...Sa2
- 2.Sg3#
- 2.a8Q#
- 2.a8B#
- 1...Sd3
- 2.Sg3#
- 2.a8Q#
- 2.a8B#
- 1...Sd5
- 2.Sg3#
- 1...Rxf2!
- threat
- 1.Sxb3?
- threat
- 2.Sd2#
- 2.Sc5#
- 1...Rxb1
- 2.Sc5#
- 1...exd6
- 2.Sd2#
- 2.Sxd6#
- 2.Sf6#
- 1...Rd1
- 2.Sc5#
- 1...Sd3
- 2.a8Q#
- 2.a8B#
- 1...Sa6
- 2.Sd2#
- 2.Bxc2#
- 2.a8Q#
- 2.a8B#
- 1...Rxf2!
- threat
- 1.Bxc2+?
- 1...Sxc2
- 2.a8Q#
- 2.a8B#
- 1...Sd3
- 2.Bxd3#
- 2.a8Q#
- 2.a8B#
- 1...bxc2!
- 1...Sxc2
- 1.Rxb4?
- threat
- 2.a8Q#
- 2.a8B#
- 1...Rxc1
- 2.a8Q#
- 2.a8B#
- 1...exd6
- 2.Sxd6#
- 2.Sf6#
- 1...Rd1
- 2.a8Q#
- 2.a8B#
- 1...Re1
- 2.a8Q#
- 2.a8B#
- 1...Rg1
- 2.a8Q#
- 2.a8B#
- 1...Rh1
- 2.a8Q#
- 2.a8B#
- 1...b2
- 2.Bxc2#
- 2.a8Q#
- 2.a8B#
- 1...e6
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Rxf2!
- threat
- 1.Ra5?
- threat
- 2.Raxe5#
- 1...exd6
- 2.Sxd6#
- 2.Sf6#
- 1...Sd3
- 2.a8Q#
- 2.a8B#
- 1...Sc6
- 2.Qd3#
- 2.Qd5#
- 1...Sd5!
- threat
- 1.f3+?
- 1...Rxf3
- 2.Rxe5#
- 1...Ke3!
- 1...Rxf3
- 1.dxe7?
- threat
- 2.Sd6#
- 2.Sf6#
- 1...Sd5
- 2.Sd6#
- 1...d6
- 2.Sxd6#
- 2.Sf6#
- 1...Rxf2!
- threat
- 1.a8Q+?
- 1...Sd5
- 2.Qxd5#
- 1...Sc6!
- 1...Sd5
- 1.a8B+?
- 1...Sd5
- 2.Bxd5#
- 1...Sc6!
- 1...Sd5
- 1.Se2?
- Keys
- 1.Qc3!
- threat
- 2.Rxe5#
- 1...Kd5
- 2.Rxe5#
- 1...Sxf5
- 2.a8Q#
- 2.a8B#
- 1...exd6
- 2.Sf6#
- 1...Sd3
- 2.a8Q#
- 2.a8B#
- 1...Sbc6
- 2.Qf3#
- 1...Sf3
- 2.a8Q#
- 2.a8B#
- 1...Sdc6
- 2.Qd3#
- threat
- 1.Qc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- S(d);N_GUARD::P=Q
- S(d);N_GUARD,N_SPINR(b)::P=Q
- P(i);N_GUARD::S(L)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(a);N_SPINR(b),XB(A)::S(B)
- R(a);::S(B)
- S(d);::S(B)
- Refutation
- R(a);XP(C)
- Try
- S(B);XP(c)
- Threat
- DUALS(2)
- Vars
- R(a);N_SPINR(b),XB(A)::S(B)
- R(a);::S(B)
- S(d);N_GUARD,N_SPINR(b)::P=Q
- Refutation
- R(a);XP(C)
- Try
- B(A);CHECK,N_SPINQ(F),XR(b)
- Vars
- S(d);XB(A)::P=Q
- Refutation
- P(c);XB(A)
- Try
- R(E);XS(d)
- Threat
- P=Q
- Vars
- R(a);XS(B)::P=Q
- R(a);::P=Q
- Refutation
- R(a);XP(C)
- Try
- R(E);
- Threat
- R1(E),XP(g)
- Vars
- S(d);N_GUARD,N_SPINR(b)::P=Q
- Refutation
- S(d);
- Try
- P(C);CHECK
- Vars
- R(a);SBLOCK,XP(C)::R1(H),XP(g)
- Refutation
- K(f);N_SPINR(b),N_SPINS(e),P-FLIGHT
- Try
- P(I);XP(i)
- Threat
- DUALS(2)
- Vars
- S(d);::S(L)
- Refutation
- R(a);XP(C)
- Try
- P(J);CHECK
- Vars
- S(d);N_GUARD::QAB1(J),XS(d)
- Refutation
- S(d);N_PINQ(F)
- Try
- P(J);CHECK
- Vars
- S(d);N_GUARD::B(J),XS(d)
- Refutation
- S(d);N_PINQ(F)
- Try
- Actual
- Q(F);N_PINS(e)
- Threat
- R1(H),XP(g)
- Vars
- K(f);N_SPINR(b),P_SPINP(g),S_FLIGHT::R1(H),XP(g)
- S(e);N_GUARD,P_SPINS(d),XR(H)::P=Q
- P(i);N_GUARD,XP(I)::S(L)
- S(d);N_GUARD,N_SPINR(b),P_SPINS(e)::P=Q
- S(d);N_PINQ(F),P_SPINS(e)::QAB1(F)
- S(e);N_GUARD,P_SPINS(d)::P=Q
- S(e);N_PINQ(F),P_SPINS(d)::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).