MESON Chess Problem Database
Problem Display
PID: 247171 (qn5B/3p4/p3P3/8/3R4/2kN4/P7/2Kn4 w - - 0 1)
Smirnov, Nikolai A
Uralski Problemist, 1998
#2
6 + 6
SOLUTION
- SOUND
- Tries
- 1.Sb2?
- threat
- 2.Sxd1#
- 2.Sa4#
- 2.Ra4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...dxe6
- 2.Sxd1#
- 2.Sa4#
- 2.Rc4#
- 1...Qh1
- 2.Sa4#
- 2.Rc4#
- 2.Rh4#
- 1...Qg2
- 2.Sxd1#
- 2.Sa4#
- 2.Rc4#
- 2.Rg4#
- 1...Qf3
- 2.Sa4#
- 2.Rc4#
- 2.Rf4#
- 1...Qe4
- 2.Sxd1#
- 2.Sa4#
- 2.Rc4#
- 2.Rxe4#
- 1...Qd5
- 2.Sxd1#
- 2.Sa4#
- 2.Rc4#
- 1...Qc6
- 2.Sxd1#
- 2.Ra4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Qa7
- 2.Sxd1#
- 2.Sa4#
- 2.Rc4#
- 1...Sf2
- 2.Sa4#
- 2.Ra4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Se3
- 2.Sa4#
- 2.Ra4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Sc6
- 2.Sxd1#
- 2.Sa4#
- 2.Rc4#
- 1...d5
- 2.Sxd1#
- 2.Sa4#
- 2.Rc4#
- 1...Sxb2!
- threat
- 1.Sf2?
- threat
- 2.Sxd1#
- 2.Ra4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...dxe6
- 2.Sxd1#
- 1...Qh1
- 2.Rh4#
- 1...Qg2
- 2.Sxd1#
- 2.Rg4#
- 1...Qf3
- 2.Rf4#
- 1...Qe4
- 2.Sxd1#
- 2.Sxe4#
- 2.Rxe4#
- 1...Qd5
- 2.Sxd1#
- 1...Qa7
- 2.Sxd1#
- 2.Se4#
- 1...Sb2
- 2.Ra4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Se3
- 2.Ra4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Sc6
- 2.Sxd1#
- 2.Se4#
- 1...d5
- 2.Sxd1#
- 1...Sxf2!
- threat
- 1.Sf4?
- threat
- 2.Se2#
- 2.Ra4#
- 2.Re4#
- 1...dxe6
- 2.Se2#
- 1...Qh1
- 2.Se2#
- 1...Qf3
- 2.Ra4#
- 2.Re4#
- 1...Qe4
- 2.Rxe4#
- 1...Qd5
- 2.Se2#
- 2.Sxd5#
- 1...Qa7
- 2.Se2#
- 2.Sd5#
- 1...Sc6
- 2.Se2#
- 2.Sd5#
- 1...d5
- 2.Se2#
- 1...Qg2!
- threat
- 1.Sb2?
- Keys
- 1.Sc5!
- threat
- 2.Sa4#
- 2.Ra4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...dxe6
- 2.Sa4#
- 1...Qh1
- 2.Sa4#
- 2.Rh4#
- 1...Qg2
- 2.Sa4#
- 2.Rg4#
- 1...Qf3
- 2.Sa4#
- 2.Rf4#
- 1...Qe4
- 2.Sa4#
- 2.Sxe4#
- 2.Rxe4#
- 1...Qd5
- 2.Sa4#
- 1...Qc6
- 2.Ra4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Sb2
- 2.Ra4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Sc6
- 2.Sa4#
- 2.Se4#
- 1...d5
- 2.Sa4#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);
- Threat
- DUALS(8)
- Refutation
- S(a);XS(C)
- Try
- S(C);
- Threat
- DUALS(6)
- Vars
- P(d);XP(E)::S(C),XS(a)
- Q(e);::B(F)+R(D)
- Q(e);::S(C),XS(a)
- P(d);::S(C),XS(a)
- Refutation
- S(a);XS(C)
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- P(d);XP(E)::S(C)
- Q(e);::S(C)
- Q(e);::B(F)+R(D),XQ(e)
- P(d);::S(C)
- Refutation
- Q(e);
- Try
- Actual
- S(C);
- Threat
- DUALS(6)
- Vars
- P(d);XP(E)::S(C)
- Q(e);::S(C)
- P(d);::S(C)
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