MESON Chess Problem Database
Problem Display
PID: 249669 (8/5K2/5p2/2B1k3/3R4/2n5/8/Q7 w - - 0 1)
Nikitin, V?
Uralski Problemist, 2007
#2
4 + 3
SOLUTION
- SOUND
- Tries
- 1.Qxc3?
- 1...f5
- 2.Bd6#
- 2.Qe1#
- 2.Qe3#
- 1...Kf5!
- 1...f5
- 1.Qb1?
- 1...Se4
- 2.Qxe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Sb5
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...f5
- 2.Qb8#
- 1...Sxb1!
- 1...Se4
- 1.Qa6?
- threat
- 2.Qe6#
- 2.Qxf6#
- 1...Kf5
- 2.Qxf6#
- 1...Sd5
- 2.Qe6#
- 1...f5
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 1...Se4!
- threat
- 1.Qa8?
- 1...Se4
- 2.Qxe4#
- 1...Se2
- 2.Qe4#
- 2.Qd5#
- 1...Sb1
- 2.Qe4#
- 2.Qd5#
- 1...Sd1
- 2.Qe4#
- 2.Qd5#
- 1...Sa2
- 2.Qe4#
- 2.Qd5#
- 1...Sa4
- 2.Qe4#
- 2.Qd5#
- 1...Sb5
- 2.Qe4#
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...f5
- 2.Qb8#
- 2.Qe8#
- 2.Qh8#
- 1...Kf5!
- 1...Se4
- 1.Qxc3?
- Keys
- 1.Qh1!
- 1...Kf5
- 2.Qh5#
- 1...Se4
- 2.Qxe4#
- 1...Se2
- 2.Qe4#
- 2.Qd5#
- 1...Sb1
- 2.Qe4#
- 2.Qd5#
- 1...Sd1
- 2.Qe4#
- 2.Qd5#
- 1...Sa2
- 2.Qe4#
- 2.Qd5#
- 1...Sa4
- 2.Qe4#
- 2.Qd5#
- 1...Sb5
- 2.Qe4#
- 2.Qd5#
- 1...Sd5
- 2.Qe4#
- 2.Qxd5#
- 1...f5
- 2.Qh8#
- 1...Kf5
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);XS(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAR1(A)
- P(c);SBLOCK::QAB(A)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAR1(A),XP(c)
- S(a);::QAR1(A)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAR1(A),XS(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(A);
- Vars
- K(b);P-FLIGHT,S_CUTP(c)::QAR2(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- P(c);OGATEB,SBLOCK::QAB(A)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).