MESON Chess Problem Database
Problem Display
PID: 47356 (2bkr3/7Q/3Kn3/8/8/8/8/8 w - - 0 1)
Vladimirov, Evgeny
Mat, 1974
#2
2 + 4
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.Qxe7#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...Ba6
- 2.Qd7#
- 1...Bb7
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Sd4
- 2.Qc7#
- 1...Sf4
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Sg5
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sf8
- 2.Qc7#
- 1...Re7
- Tries
- 1.Qh4+?
- 1...Re7
- 2.Qxe7#
- 1...Sg5!
- 1...Re7
- 1.Qa7?
- 1...Re7
- 2.Qxe7#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...Ba6
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Sd4
- 2.Qb6#
- 2.Qa5#
- 2.Qc7#
- 1...Sf4
- 2.Qb6#
- 2.Qa5#
- 2.Qc7#
- 1...Sc5
- 2.Qb6#
- 2.Qa5#
- 2.Qc7#
- 1...Sg5
- 2.Qb6#
- 2.Qa5#
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sg7
- 2.Qb6#
- 2.Qa5#
- 2.Qc7#
- 1...Sf8
- 2.Qb6#
- 2.Qa5#
- 2.Qc7#
- 1...Bb7!
- 1...Re7
- 1.Qb7?
- 1...Re7
- 2.Qxe7#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...Bd7
- 2.Qxd7#
- 1...Sd4
- 2.Qb6#
- 2.Qc7#
- 1...Sf4
- 2.Qb6#
- 2.Qc7#
- 1...Sc5
- 2.Qb6#
- 2.Qc7#
- 1...Sg5
- 2.Qb6#
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sg7
- 2.Qb6#
- 2.Qc7#
- 1...Sf8
- 2.Qb6#
- 2.Qc7#
- 1...Bxb7!
- 1...Re7
- 1.Qg7?
- 1...Re7
- 2.Qxe7#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...Ba6
- 2.Qd7#
- 1...Bb7
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Sd4
- 2.Qc7#
- 1...Sf4
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Sg5
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sf8
- 2.Qc7#
- 1...Sxg7!
- 1...Re7
- 1.Qh4+?
- Keys
- 1.Qf7!
- 1...Ba6
- 2.Qd7#
- 1...Bb7
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Re7
- 2.Qxe7#
- 1...Rf8
- 2.Qe7#
- 1...Rg8
- 2.Qe7#
- 1...Rh8
- 2.Qe7#
- 1...Sd4
- 2.Qc7#
- 1...Sf4
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Sg5
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sg7
- 2.Qc7#
- 1...Sf8
- 2.Qc7#
- 1...Ba6
- 1.Qf7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::QAB1(B),XR(d)
- R(d);N_GUARD::QAB1(B)
- B(b);N_GUARD::QAR1(B)
- B(b);N_GUARD::QAR1(B),XB(b)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- Tries
- Try
- Q(B);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::QAB1(B),XR(d)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(B);
- Vars
- R(d);N_GUARD::QAB1(B),XR(d)
- R(d);N_GUARD::QAB1(B)
- B(b);N_GUARD::QAR1(B)
- B(b);N_GUARD::QAR1(B),XB(b)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- B(b);
- Try
- Q(B);
- Vars
- R(d);N_GUARD::QAB1(B),XR(d)
- R(d);N_GUARD::QAB1(B)
- B(b);N_GUARD::QAR1(B),XB(b)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- B(b);XQ(B)
- Try
- Q(B);
- Vars
- R(d);N_GUARD::QAB1(B),XR(d)
- R(d);N_GUARD::QAB1(B)
- B(b);N_GUARD::QAR1(B)
- B(b);N_GUARD::QAR1(B),XB(b)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- S(a);XQ(B)
- Try
- Actual
- Q(B);
- Vars
- B(b);N_GUARD::QAR1(B)
- B(b);N_GUARD::QAR1(B),XB(b)
- R(d);N_GUARD::QAB1(B),XR(d)
- R(d);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(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).