MESON Chess Problem Database
Problem Display
PID: 163745 (8/2p3pN/2Kp1pP1/2nQ3P/5kNR/6p1/6B1/6n1 w - - 0 1)
Makaronets, Leonid
Novi Temi, 1974
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sh3
- 2.Qf3#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...f5
- 2.Qd2#
- 1...Se2
- Tries
- 1.Kb5?
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sh3
- 2.Qf3#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...f5
- 2.Qd2#
- 1...c6+!
- 1...Se2
- 1.Se5+?
- 1...Kf5
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sd7#
- 2.Sf7#
- 1...Ke3!
- 1...Kf5
- 1.Bh1?
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sh3
- 2.Qf3#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...f5
- 2.Qd2#
- 1...g2!
- 1...Se2
- 1.Qc4+?
- 1...Se4
- 2.Qxe4#
- 1...Kf5!
- 1...Se4
- 1.Qd4+?
- 1...Se4
- 2.Se3#
- 2.Sh6#
- 2.Qxe4#
- 1...Kf5!
- 1...Se4
- 1.Qxd6+?
- 1...Kf5
- 2.Se3#
- 1...cxd6!
- 1...Kf5
- 1.h6?
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sh3
- 2.Qf3#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...f5
- 2.Qd2#
- 1...gxh6!
- 1...Se2
- 1.Kb5?
- Keys
- 1.Sg5!
- 1...fxg5
- 2.Qf7#
- 1...f5
- 2.Qd2#
- 1...Se2
- 2.Sh3#
- 1...Sf3
- 2.Sh3#
- 1...Sh3
- 2.Sxh3#
- 1...Sb3
- 2.Se6#
- 1...Sd3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...fxg5
- 1.Sg5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAR1(D)
- S(a);N_GUARD::QAR1(D),XS(a)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- P(f);SBLOCK::QAB(D)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- S(a);N_GUARD::QAR1(D)
- S(a);N_GUARD::QAR1(D),XS(a)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- P(f);SBLOCK::QAB(D)
- Refutation
- P(g);CHECK
- Try
- S(B);CHECK
- Refutation
- K(c);S_FLIGHT
- Try
- B(A);
- Vars
- S(a);N_GUARD::QAR1(D)
- S(a);N_GUARD::QAR1(D),XS(a)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- P(f);SBLOCK::QAB(D)
- Refutation
- P(b);
- Try
- Q(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAR1(D),XS(d)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(D);CHECK
- Refutation
- K(c);P-FLIGHT
- Try
- Q(D);CHECK,XP(e)
- Vars
- K(c);P-FLIGHT::S(B)
- Refutation
- P(g);XQ(D)
- Try
- P(E);
- Vars
- S(a);N_GUARD::QAR1(D)
- S(a);N_GUARD::QAR1(D),XS(a)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- P(f);SBLOCK::QAB(D)
- Refutation
- P(h);XP(E)
- Try
- Actual
- S(H);
- Vars
- P(f);OGATEB,SBLOCK,XS(H)::QAR(D)
- P(f);SBLOCK::QAB(D)
- S(a);N_GUARD::S(H)
- S(a);N_GUARD::S(H),XS(a)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
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).