MESON Chess Problem Database
Problem Display
PID: 73190 (4NR2/3R3K/q1n1B2p/4p1pr/1r2kPN1/1nbp3p/b1QpP3/8 w - - 0 1)
Loshinski, Lev Ilich
Mussuri, Petr Stepanovich
Skakbladet, 1937
#2
9 + 14
SOLUTION
- SOUND
- Sets
- 1...Qb7
- 2.Qxd3#
- 1...Qc8
- 2.Qxd3#
- 1...Qa3
- 2.Qxd3#
- 1...Qa4
- 2.Qxd3#
- 1...Qa5
- 2.Qxd3#
- 1...Qb6
- 2.Qxd3#
- 1...Qa7
- 2.Qxd3#
- 1...Qa8
- 2.Qxd3#
- 1...Rc4
- 2.Qxd3#
- 1...Rb5
- 2.Qxd3#
- 1...Bd4
- 2.Sd6#
- 2.Bd5#
- 1...Sbd4
- 2.Sd6#
- 1...Scd4
- 2.Bd5#
- 1...exf4
- 2.Bf5#
- 1...gxf4
- 2.Sef6#
- 1...Qb7
- Tries
- 1.Rxd3?
- threat
- 2.Sf2#
- 2.Sd6#
- 2.Bd5#
- 1...Qb7+
- 2.Rd7#
- 1...Qa7+
- 2.Rd7#
- 1...Qxd3
- 2.Qxd3#
- 1...exf4
- 2.Sd6#
- 2.Bd5#
- 2.Bf5#
- 1...d1S
- 2.Sd6#
- 2.Bd5#
- 1...Qc4
- 2.Sf2#
- 2.Sd6#
- 1...Qb5
- 2.Sf2#
- 2.Sd6#
- 1...Qa5
- 2.Sf2#
- 2.Sd6#
- 2.Rxd2#
- 2.Rd5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...Qb6
- 2.Sd6#
- 2.Bd5#
- 2.Rxd2#
- 2.Rd5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...Rd4
- 2.Sf2#
- 2.Re3#
- 1...Rb5
- 2.Sf2#
- 2.Sd6#
- 2.Rxd2#
- 2.Rd5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...Bd4
- 2.Sd6#
- 2.Re3#
- 1...Sa1
- 2.Sf2#
- 2.Sd6#
- 1...Sc1
- 2.Sf2#
- 2.Sd6#
- 1...Sbd4
- 2.Sf2#
- 2.Sd6#
- 2.Re3#
- 1...Sba5
- 2.Sf2#
- 2.Sd6#
- 1...Sc5
- 2.Sf2#
- 2.Sd6#
- 1...Scd4
- 2.Sf2#
- 2.Re3#
- 1...Sca5
- 2.Sf2#
- 2.Bd5#
- 1...Sa7
- 2.Sf2#
- 2.Bd5#
- 1...Se7
- 2.Sf2#
- 1...Sb8
- 2.Sf2#
- 2.Bd5#
- 1...Sd8
- 2.Sf2#
- 2.Bd5#
- 1...Rb7+!
- threat
- 1.Qxc3?
- threat
- 2.Sd6#
- 2.Bd5#
- 1...Qc4
- 2.Sd6#
- 1...Qb5
- 2.Sd6#
- 1...Qa5
- 2.Sd6#
- 2.Qxd3#
- 1...Rb5
- 2.Sd6#
- 2.Qxd3#
- 1...Sa1
- 2.Sd6#
- 1...Sc1
- 2.Sd6#
- 1...Sbd4
- 2.Sd6#
- 1...Sba5
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Scd4
- 2.Bd5#
- 1...Sca5
- 2.Bd5#
- 2.Qxe5#
- 1...Sa7
- 2.Bd5#
- 2.Qxe5#
- 1...Se7
- 2.Qxe5#
- 1...Sb8
- 2.Bd5#
- 2.Qxe5#
- 1...Sd8
- 2.Bd5#
- 2.Qxe5#
- 1...Rd4!
- threat
- 1.exd3+?
- 1...Qxd3
- 2.Qxd3#
- 1...Kf3!
- 1...Qxd3
- 1.Rxd3?
- Keys
- 1.Qd1!
- threat
- 2.Qh1#
- 1...exf4
- 2.Bf5#
- 1...gxf4
- 2.Sef6#
- 1...Sbd4
- 2.Sd6#
- 1...Scd4
- 2.Bd5#
- threat
- 1.Qd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- Q(l);N_GUARD,P_PINR(F)::QAB1(A),XP(e)
- Q(l);N_GUARD::QAB1(A),XP(e)
- R(g);S_CUTQ(l)::QAB1(A),XP(e)
- S(c);SBLOCK::S(H)
- S(m);SBLOCK::B(E)
- P(i);SBLOCK,XP(C)::B(E)
- P(j);SBLOCK,XP(C)::S(H)
- Tries
- Try
- R(F);XP(e)
- Threat
- DUALS(3)
- Vars
- Q(l);CHECK,N_GUARD::QAB(A)+R(F)
- Q(l);OGATE,P_SPINQ(l),XR(F)::QAB1(A),XQ(l)
- S(m);::S(D)
- Refutation
- R(g);CHECK
- Try
- Q(A);N_PINP(e),XB(d)
- Threat
- DUALS(2)
- Vars
- Q(l);::S(H)
- S(c);::S(H)
- S(m);::B(E)
- S(m);N_GUARD::QAR1(A),XP(i)
- Refutation
- R(g);
- Try
- P(B);CHECK,XP(e)
- Vars
- Q(l);OGATE,P_SPINQ(l),XP(B)::QAB1(A),XQ(l)
- Refutation
- K(h);S_FLIGHT
- Try
- Actual
- Q(A);N_PINP(e)
- Threat
- QAB(A)
- Vars
- P(i);SBLOCK,XP(C)::B(E)
- P(j);SBLOCK,XP(C)::S(H)
- S(c);SBLOCK::S(H)
- S(m);SBLOCK::B(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).