MESON Chess Problem Database
Problem Display
PID: 36261 (2N2B1r/2pN4/1b2p3/1P1k1bR1/1R2n3/K4n2/2PP2B1/3Q4 w - - 0 1)
Loshinski, Lev Ilich
Shif, Vladimir Iosifovich
Comm., Sverdlovsk Sports Committee, 1946
#2
11 + 8
| 56 | The Problemist | 2001 |
| 5459 | Sachmatija | 2002 |
| 145 | StrateGems | 2002 |
| 5454 | Near Snap | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.c4#
- 1...Se1
- 2.Bxe4#
- 1...Sg1
- 2.Bxe4#
- 1...Sfxd2
- 2.Bxe4#
- 1...Sh2
- 2.Bxe4#
- 1...Sd4
- 2.c4#
- 1...Sh4
- 2.Bxe4#
- 1...Se5
- 2.Sf6#
- 1...Sexd2
- 2.Bxf3#
- 1...Sd6
- 2.Se7#
- 1...c5
- 2.Scxb6#
- 1...c6
- 2.Scxb6#
- 1...Bd4
- Tries
- 1.Qe2?
- threat
- 2.Qc4#
- 2.Qxe4#
- 1...Sfxg5
- 2.Qc4#
- 1...Sexd2
- 2.Sf6#
- 2.Qe5#
- 1...Sexg5
- 2.Sf6#
- 2.Qc4#
- 2.Qe5#
- 1...e5
- 2.Qc4#
- 1...Rh4
- 2.Qc4#
- 1...Be3
- 2.Qc4#
- 1...Bd4
- 2.Qc4#
- 2.c4#
- 1...Se5
- 2.Sf6#
- 1...Sf2
- 2.Sf6#
- 2.Qc4#
- 2.Qe5#
- 1...Sc3
- 2.Sf6#
- 2.Qc4#
- 2.Qe5#
- 1...Sg3
- 2.Sf6#
- 2.Qc4#
- 2.Qe5#
- 1...Sc5
- 2.Sf6#
- 2.Qc4#
- 2.Qe5#
- 1...Sd6
- 2.Se7#
- 2.Qe5#
- 1...Sf6
- 2.Sxf6#
- 2.Qc4#
- 2.Qe5#
- 1...Sfxd2!
- threat
- 1.Qxf3?
- threat
- 2.Qxe4#
- 2.Qb3#
- 1...e5
- 2.Qb3#
- 1...Rh4
- 2.Qb3#
- 1...Be3
- 2.Qxe4#
- 1...c5
- 2.Scxb6#
- 2.Qxe4#
- 2.Qd3#
- 1...Rh3!
- threat
- 1.Qa1?
- threat
- 2.Qa2#
- 2.c4#
- 1...Sfxd2
- 2.Sf6#
- 2.Qe5#
- 1...Sexd2
- 2.Sf6#
- 2.Qe5#
- 1...Sexg5
- 2.Sf6#
- 2.Qe5#
- 2.Qa2#
- 1...e5
- 2.Qa2#
- 1...Sd4
- 2.c4#
- 1...Se5
- 2.Sf6#
- 2.Qxe5#
- 1...Sf2
- 2.Sf6#
- 2.Qe5#
- 2.Qa2#
- 1...Sg3
- 2.Sf6#
- 2.Qe5#
- 2.Qa2#
- 1...Sc5
- 2.Sf6#
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Sd6
- 2.Se7#
- 2.Qe5#
- 1...Sf6
- 2.Sxf6#
- 2.Qe5#
- 2.Qa2#
- 1...c5
- 2.Sdxb6#
- 2.Scxb6#
- 2.c4#
- 1...Sc3!
- threat
- 1.d4?
- threat
- 2.c4#
- 1...Sexg5
- 2.Sf6#
- 1...Sed2
- 2.Sf6#
- 1...Sf2
- 2.Sf6#
- 1...Sc3
- 2.Sf6#
- 1...Sg3
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 2.dxc5#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sfd2
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...e5!
- threat
- 1.Qe2?
- Keys
- 1.c3!
- threat
- 2.Qb3#
- 1...Sfxd2
- 2.Bxe4#
- 1...Sexd2
- 2.Bxf3#
- 1...Sd4
- 2.c4#
- 1...Se5
- 2.Sf6#
- 1...Sc5
- 2.Rd4#
- 1...Sd6
- 2.Se7#
- 1...c5
- 2.Scxb6#
- threat
- 1.c3!
This anticipates 147103(1996)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- B(e);SBLOCK::P(B)
- S(a);OGATE,P_SPINS(b)::B(D),XS(b)
- S(a);OGATE,P_SPINS(a),XP(C)::B(D),XS(b)
- S(a);P_SPINS(b),SBLOCK::P(B)
- S(a);N_SPINB(d),P_SPINS(b),SBLOCK::S(I)
- S(b);OGATEB,P_SPINS(b),XP(C)::B(D),XS(a)
- S(b);P_SPINS(a),SBLOCK::S(J)
- P(g);N_GUARD::S(J),XB(e)
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(a);N_SPINB(d),P_SPINS(b),XR(H)::QAB1(A)
- P(f);N_SPINB(d)::QAB1(A)
- R(h);::QAB1(A)
- B(e);::QAB1(A)
- S(a);N_SPINB(d),P_SPINS(b),SBLOCK::S(I)
- Refutation
- S(a);P_SPINS(b),XP(C)
- Try
- Q(A);P_PINS(b),XS(a)
- Threat
- DUALS(2)
- Vars
- P(f);N_SPINB(d)::QAB(A)
- R(h);::QAB(A)
- B(e);::QAB1(A),XS(b)
- Refutation
- R(h);P_PINQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(f);N_SPINB(d)::QAB(A)
- S(a);P_SPINS(b)::P(B)
- Refutation
- S(b);P_SPINS(a)
- Try
- P(C);
- Threat
- P(B)
- Vars
- S(b);N_GUARD,N_SPINB(d),P_SPINS(a),XR(H)::S(I)
- S(b);N_GUARD,P_SPINS(a)::S(I)
- S(b);N_GUARD,P_SPINS(a)::S(I),XS(b)
- S(a);P_SPINS(b)::S(I)
- S(a);N_SPINB(d),P_SPINS(b)::S(I)
- Refutation
- P(f);N_SPINB(d)
- Try
- Actual
- P(B);
- Threat
- QAB(A)
- Vars
- S(a);OGATE,P_SPINS(a),XP(C)::B(D),XS(b)
- S(b);OGATEB,P_SPINS(b),XP(C)::B(D),XS(a)
- S(a);P_SPINS(b),SBLOCK::P(B)
- S(a);N_SPINB(d),P_SPINS(b),SBLOCK::S(I)
- S(b);P_SPINS(a),S_CUTB(e)::R1(F)
- S(b);P_SPINS(a),SBLOCK::S(J)
- P(g);N_GUARD::S(J),XB(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).