MESON Chess Problem Database
Problem Display
PID: 225831 (8/1N1R4/1p6/4p1RN/2bnk3/Q2p3p/5K2/b4B2 w - - 0 1)
Varitsky, Aleksandr Nikolaevich
Praca, 1999
#2
7 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Bxd3#
- 2.Qxd3#
- 1...Bd5
- 2.Sd6#
- 2.Bxd3#
- 2.Qxd3#
- 1...Be6
- 2.Bxd3#
- 2.Qxd3#
- 1...Bf7
- 2.Bxd3#
- 2.Qxd3#
- 1...Bg8
- 2.Bxd3#
- 2.Qxd3#
- 1...Sf5
- 2.Rg4#
- 1...d2
- 2.Qe3#
- 1...b5
- 2.Sc5#
- 1...Ba2
- Tries
- 1.Bg2+?
- 1...Sf3
- 2.Bxf3#
- 1...hxg2!
- 1...Sf3
- 1.Qc1?
- threat
- 2.Sg3#
- 2.Sf6#
- 2.Qe3#
- 1...Sc2
- 2.Sg3#
- 2.Sf6#
- 1...Se2
- 2.Sf6#
- 2.Qe3#
- 1...Sf5
- 2.Sf6#
- 2.Rg4#
- 1...d2!
- threat
- 1.Qd6?
- threat
- 2.Rxe5#
- 2.Qxe5#
- 1...Sc2
- 2.Qg6#
- 1...Se2
- 2.Qg6#
- 1...Sb3
- 2.Qg6#
- 1...Sf3
- 2.Qg6#
- 1...Sb5
- 2.Qg6#
- 1...Sf5
- 2.Rg4#
- 1...Sc6
- 2.Qg6#
- 1...Se6!
- threat
- 1.Qe7?
- threat
- 2.Rxe5#
- 2.Qxe5#
- 1...Sc2
- 2.Qh7#
- 1...Se2
- 2.Qh7#
- 1...Sb3
- 2.Qh7#
- 1...Sf3
- 2.Qh7#
- 1...Sb5
- 2.Qh7#
- 1...Sf5
- 2.Rg4#
- 1...Sc6
- 2.Qh7#
- 1...Se6
- 2.Qh7#
- 1...Be6!
- threat
- 1.Qf8?
- threat
- 2.Sg3#
- 2.Rg4#
- 1...Be6
- 2.Sg3#
- 1...Se2
- 2.Qf3#
- 2.Qf5#
- 1...Sf5
- 2.Rg4#
- 2.Qxf5#
- 1...Se6
- 2.Sg3#
- 2.Qf3#
- 2.Qf5#
- 1...Bf7!
- threat
- 1.Qa8?
- threat
- 2.Sc5#
- 2.Sd6#
- 1...Bd5
- 2.Sd6#
- 1...Sc2
- 2.Sc5#
- 1...Se2
- 2.Sc5#
- 1...Sb3
- 2.Sc5#
- 1...Sf3
- 2.Sc5#
- 1...Sb5
- 2.Sc5#
- 1...Sf5
- 2.Sc5#
- 2.Rg4#
- 1...Se6
- 2.Sc5#
- 1...Sc6!
- threat
- 1.Bg2+?
- Keys
- 1.Qc5!
- threat
- 2.Sd6#
- 2.Rxe5#
- 2.Qxe5#
- 1...bxc5
- 2.Sxc5#
- 1...Bd5
- 2.Sd6#
- 2.Qxd5#
- 1...Sc2
- 2.Sd6#
- 1...Se2
- 2.Sd6#
- 2.Qe3#
- 1...Sb3
- 2.Sd6#
- 2.Qe3#
- 1...Sf3
- 2.Sd6#
- 2.Qe3#
- 1...Sb5
- 2.Qe3#
- 1...Sf5
- 2.Rg4#
- 1...Sc6
- 2.Sd6#
- 2.Qe3#
- 1...Se6
- 2.Sd6#
- 2.Qe3#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- S(e);SBLOCK::R(D)
- P(b);OGATE::QAR1(C)
- P(h);N_GUARD::S(F)
- Tries
- Try
- B(A);CHECK
- Vars
- S(e);N_GUARD,P_SPINS(e)::B(A),XS(e)
- Refutation
- P(c);XB(A)
- Try
- Q(C);
- Threat
- DUALS(3)
- Refutation
- P(b);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD::QAB(C)
- S(e);SBLOCK::R(D)
- Refutation
- S(e);
- Try
- Q(C);P_PINP(g)
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD::QAB(C)
- S(e);SBLOCK::R(D)
- S(e);N_GUARD,N_SPINP(g)::QAB(C)
- Refutation
- B(d);N_SPINP(g)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(d);::S(E)
- Refutation
- B(d);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(d);::S(F)
- S(e);::QAB(C)+S(F),DCHECK
- Refutation
- S(e);
- Try
- Actual
- Q(C);
- Threat
- DUALS(3)
- Vars
- P(h);XQ(C)::S(F),XP(h)
- S(e);::S(F)
- S(e);OGATE::QAR1(C)
- S(e);SBLOCK::R(D)
Developed and maintained by Brian Stephenson.
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