MESON Chess Problem Database
Problem Display
PID: 108019 (8/3B2N1/6K1/8/4nP1k/4Q3/5n2/8 w - - 0 1)
Dzektser, Abram L
VKFS, 1954
#2
5 + 3
| 5454 | Near Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sd3
- 2.Qh3#
- 1...Sh3
- 2.Qxh3#
- 1...Sg4
- 2.Sf5#
- 1...Sd2
- 2.Qxf2#
- 1...Sc3
- 2.Qxf2#
- 1...Sg3
- 2.Qe7#
- 1...Sc5
- 2.Qxf2#
- 1...Sg5
- 2.Qxf2#
- 1...Sd6
- 2.Qxf2#
- 1...Sf6
- 2.Qxf2#
- 1...Sd1
- Tries
- 1.Kh6?
- 1...Sd1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sd3
- 2.Qh3#
- 1...Sh3
- 2.Qxh3#
- 1...Sd2
- 2.Qxf2#
- 1...Sc3
- 2.Qxf2#
- 1...Sg3
- 2.Qe7#
- 1...Sc5
- 2.Qxf2#
- 1...Sg5
- 2.Qxf2#
- 1...Sd6
- 2.Qxf2#
- 1...Sf6
- 2.Qxf2#
- 1...Sg4+!
- 1...Sd1
- 1.Sh5?
- 1...Sd1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sd3
- 2.Qh3#
- 1...Sh3
- 2.Qxh3#
- 1...Sd2
- 2.Qxf2#
- 2.Qg3#
- 2.Qe7#
- 1...Sc3
- 2.Qxf2#
- 2.Qg3#
- 2.Qe7#
- 1...Sg3
- 2.Qxg3#
- 2.Qe7#
- 1...Sc5
- 2.Qxf2#
- 2.Qg3#
- 2.Qe7#
- 1...Sg5
- 2.Qxf2#
- 2.Qg3#
- 1...Sd6
- 2.Qxf2#
- 2.Qg3#
- 2.Qe7#
- 1...Sf6
- 2.Qxf2#
- 2.Qg3#
- 1...Sg4!
- 1...Sd1
- 1.Se8?
- 1...Sd1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sd3
- 2.Qh3#
- 1...Sh3
- 2.Qxh3#
- 1...Sd2
- 2.Qxf2#
- 1...Sc3
- 2.Qxf2#
- 1...Sg3
- 2.Qe7#
- 1...Sc5
- 2.Qxf2#
- 1...Sg5
- 2.Qxf2#
- 1...Sd6
- 2.Qxf2#
- 1...Sf6
- 2.Qxf2#
- 1...Sg4!
- 1...Sd1
- 1.Bf5?
- 1...Sd1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sd3
- 2.Qh3#
- 1...Sh3
- 2.Qxh3#
- 1...Sd2
- 2.Qxf2#
- 1...Sc3
- 2.Qxf2#
- 1...Sg3
- 2.Qe7#
- 1...Sc5
- 2.Qxf2#
- 1...Sg5
- 2.Qxf2#
- 1...Sd6
- 2.Qxf2#
- 1...Sf6
- 2.Qxf2#
- 1...Sg4!
- 1...Sd1
- 1.Be6?
- 1...Sg4
- 2.Sf5#
- 1...Sd1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sd3
- 2.Qh3#
- 1...Sh3
- 2.Qxh3#
- 1...Sd2
- 2.Qxf2#
- 1...Sc3
- 2.Qxf2#
- 1...Sc5
- 2.Qxf2#
- 1...Sg5
- 2.Qxf2#
- 1...Sd6
- 2.Qxf2#
- 1...Sf6
- 2.Qxf2#
- 1...Sg3!
- 1...Sg4
- 1.Qxf2+?
- 1...Sg3
- 2.Qh2#
- 1...Sxf2!
- 1...Sg3
- 1.Qe1?
- 1...Sd2
- 2.Qxf2#
- 1...Sc3
- 2.Qxf2#
- 1...Sg3
- 2.Qe7#
- 1...Sc5
- 2.Qxf2#
- 1...Sg5
- 2.Qxf2#
- 1...Sd6
- 2.Qxf2#
- 1...Sf6
- 2.Qxf2#
- 1...Kg3!
- 1...Sd2
- 1.Qe2?
- 1...Sg4
- 2.Qxg4#
- 1...Sd1
- 2.Qg4#
- 2.Qh2#
- 1...Sh1
- 2.Qg4#
- 2.Qh2#
- 1...Sd3
- 2.Qg4#
- 2.Qh2#
- 1...Sh3
- 2.Sf5#
- 2.Qg4#
- 1...Sd2
- 2.Qxf2#
- 1...Sc3
- 2.Qxf2#
- 1...Sg3
- 2.Qe7#
- 1...Sc5
- 2.Qxf2#
- 1...Sg5
- 2.Qxf2#
- 1...Sd6
- 2.Qxf2#
- 1...Sf6
- 2.Qxf2#
- 1...Kg3!
- 1...Sg4
- 1.Qf3?
- threat
- 2.Sf5#
- 1...Sd6
- 2.Qxf2#
- 1...Sg3!
- threat
- 1.Kh6?
- Keys
- 1.Bc8!
- 1...Sg4
- 2.Sf5#
- 1...Sd1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sd3
- 2.Qh3#
- 1...Sh3
- 2.Qxh3#
- 1...Sd2
- 2.Qxf2#
- 1...Sc3
- 2.Qxf2#
- 1...Sg3
- 2.Qe7#
- 1...Sc5
- 2.Qxf2#
- 1...Sg5
- 2.Qxf2#
- 1...Sd6
- 2.Qxf2#
- 1...Sf6
- 2.Qxf2#
- 1...Sg4
- 1.Bc8!
This anticipates 85753(1979)
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(a);SBLOCK::S(E)
- S(b);N_GUARD::QAB(A),XS(a)
- S(b);OGATE,SBLOCK::QAB(A)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(b);N_GUARD::QAB(A),XS(a)
- S(b);OGATE,SBLOCK::QAB(A)
- Refutation
- S(a);CHECK
- Try
- S(E);
- Vars
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- Refutation
- S(a);
- Try
- S(E);
- Vars
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(b);N_GUARD::QAB(A),XS(a)
- S(b);OGATE,SBLOCK::QAB(A)
- Refutation
- S(a);
- Try
- B(D);
- Vars
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(b);N_GUARD::QAB(A),XS(a)
- S(b);OGATE,SBLOCK::QAB(A)
- Refutation
- S(a);
- Try
- B(D);
- Vars
- S(a);SBLOCK::S(E)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(b);N_GUARD::QAB(A),XS(a)
- Refutation
- S(b);
- Try
- Q(A);CHECK,XS(a)
- Vars
- S(b);P_SPINS(b)::QAR2(A)
- Refutation
- S(b);XQ(A)
- Try
- Q(A);P_PINS(a)
- Vars
- S(b);N_GUARD::QAB(A),XS(a)
- S(b);N_SPINS(a),OGATE,SBLOCK::QAB(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAR1(A),XS(a)
- S(b);N_GUARD::QAB(A),XS(a)
- S(b);OGATE,SBLOCK::QAB(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);
- Threat
- S(E)
- Vars
- S(b);N_GUARD::QAB(A),XS(a)
- Refutation
- S(b);
- Try
- Actual
- B(D);
- Vars
- S(a);SBLOCK::S(E)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(b);N_GUARD::QAB(A),XS(a)
- S(b);OGATE,SBLOCK::QAB(A)
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).