MESON Chess Problem Database
Problem Display
PID: 152674 (2Qb4/3pk3/5R2/6K1/5N2/8/8/8 w - - 0 1)
Velikhanov, Kenan
StrateGems, 2011
#2
4 + 3
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Sd5#
- 2.Sg6#
- 2.Qf8#
- 1...Bb6
- 2.Sd5#
- 2.Sg6#
- 2.Qf8#
- 1...Bc7
- 2.Sd5#
- 2.Sg6#
- 2.Qf8#
- 1...d5
- 2.Qe6#
- 1...d6
- 2.Qe6#
- 1...Ba5
- Tries
- 1.Kf5?
- 1...Ba5
- 2.Sd5#
- 2.Sg6#
- 2.Qf8#
- 1...Bb6
- 2.Sd5#
- 2.Sg6#
- 2.Qf8#
- 1...Bc7
- 2.Sd5#
- 2.Sg6#
- 2.Qf8#
- 1...d5
- 2.Qe6#
- 1...d6
- 2.Qe6#
- 1...Ke8!
- 1...Ba5
- 1.Kg6?
- 1...Ba5
- 2.Sd5#
- 2.Qf8#
- 1...Bb6
- 2.Sd5#
- 2.Qf8#
- 1...Bc7
- 2.Sd5#
- 2.Qf8#
- 1...d5
- 2.Qe6#
- 1...d6
- 2.Qe6#
- 1...Ke8!
- 1...Ba5
- 1.Se2?
- 1...Ba5
- 2.Qf8#
- 1...Bb6
- 2.Qf8#
- 1...Bc7
- 2.Qf8#
- 1...d5
- 2.Qe6#
- 1...d6
- 2.Qe6#
- 1...Ke8!
- 1...Ba5
- 1.Sg2?
- 1...Ba5
- 2.Qf8#
- 1...Bb6
- 2.Qf8#
- 1...Bc7
- 2.Qf8#
- 1...d5
- 2.Qe6#
- 1...d6
- 2.Qe6#
- 1...Ke8!
- 1...Ba5
- 1.Sd3?
- 1...Ba5
- 2.Qf8#
- 1...Bb6
- 2.Qf8#
- 1...Bc7
- 2.Qf8#
- 1...d5
- 2.Qe6#
- 1...d6
- 2.Qe6#
- 1...Ke8!
- 1...Ba5
- 1.Sh3?
- 1...Ba5
- 2.Qf8#
- 1...Bb6
- 2.Qf8#
- 1...Bc7
- 2.Qf8#
- 1...d5
- 2.Qe6#
- 1...d6
- 2.Qe6#
- 1...Ke8!
- 1...Ba5
- 1.Sh5?
- 1...Ba5
- 2.Qf8#
- 1...Bb6
- 2.Qf8#
- 1...Bc7
- 2.Qf8#
- 1...d5
- 2.Qe6#
- 1...d6
- 2.Qe6#
- 1...Ke8!
- 1...Ba5
- 1.Qc5+?
- 1...Ke8
- 2.Qf8#
- 1...d6!
- 1...Ke8
- 1.Kf5?
- Keys
- 1.Se6!
- 1...Kd6
- 2.Qc5#
- 1...Ke8
- 2.Qxd8#
- 1...dxe6
- 2.Qxe6#
- 1...Ba5
- 2.Qf8#
- 1...Bb6
- 2.Qf8#
- 1...Bc7
- 2.Qf8#
- 1...d5
- 2.Qxd8#
- 1...d6
- 2.Qxd8#
- 1...Kd6
- 1.Se6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- P(a);OGATE::QAR1(D)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- P(a);OGATE::QAR1(D)
- Refutation
- K(b);P-FLIGHT,P_SPINB(c)
- Try
- K(B);P-FLIGHT
- Vars
- P(a);OGATE::QAR1(D)
- Refutation
- K(b);P-FLIGHT,P_SPINB(c)
- Try
- S(A);
- Vars
- B(c);OGATE::QAB1(D)
- P(a);OGATE::QAR1(D)
- Refutation
- K(b);P-FLIGHT,P_PINR(C),P_SPINB(c)
- Try
- S(A);
- Vars
- B(c);OGATE::QAB1(D)
- P(a);OGATE::QAR1(D)
- Refutation
- K(b);P-FLIGHT,P_PINR(C),P_SPINB(c)
- Try
- S(A);
- Vars
- B(c);OGATE::QAB1(D)
- P(a);OGATE::QAR1(D)
- Refutation
- K(b);P-FLIGHT,P_PINR(C),P_SPINB(c)
- Try
- S(A);
- Vars
- B(c);OGATE::QAB1(D)
- P(a);OGATE::QAR1(D)
- Refutation
- K(b);P-FLIGHT,P_PINR(C),P_SPINB(c)
- Try
- S(A);
- Vars
- B(c);OGATE::QAB1(D)
- P(a);OGATE::QAR1(D)
- Refutation
- K(b);P-FLIGHT,P_PINR(C),P_SPINB(c)
- Try
- Q(D);CHECK
- Vars
- K(b);OGATE,P-FLIGHT,P_PINR(C)::QAR1(D)
- Refutation
- P(a);P_SPINP(a)
- Try
- Actual
- S(A);
- Vars
- K(b);P_PINR(C),S_FLIGHT::QAB1(D)
- K(b);P-FLIGHT,P_PINR(C),P_SPINB(c)::QAR1(D),XB(c)
- P(a);OGATE,XS(A)::QAR1(D),XP(a)
- B(c);OGATE::QAB1(D)
- P(a);::QAB1(D),XB(c)
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).