MESON Chess Problem Database
Problem Display
PID: 109603 (8/1N1R4/1p6/4p1RN/3nk3/Q2p1p2/b1p2K2/b3nB2 w - - 0 1)
Varitsky, Aleksandr Nikolaevich
4th Comm., Valtonen-50 JT (Suomen Tehtavaniekat), 2004-2006
#2
7 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd5
- 2.Sd6#
- 1...Sg2
- 2.Bxd3#
- 2.Qxd3#
- 1...Sf5
- 2.Rg4#
- 1...d2
- 2.Qe3#
- 1...b5
- 2.Sc5#
- 1...Bd5
- Tries
- 1.Qc1?
- threat
- 2.Sg3#
- 2.Sf6#
- 2.Qe3#
- 1...Sg2
- 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...Se2
- 2.Qg6#
- 1...Sb3
- 2.Qd5#
- 2.Qc6#
- 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...Se2
- 2.Qh7#
- 1...Sb3
- 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...c1Q
- 2.Sg3#
- 1...c1B
- 2.Sg3#
- 1...Be6
- 2.Sg3#
- 1...Sg2
- 2.Sg3#
- 1...Se2
- 2.Qf5#
- 1...Sf5
- 2.Rg4#
- 2.Qxf5#
- 1...Se6
- 2.Sg3#
- 2.Qf5#
- 1...Bf7!
- threat
- 1.Qxa2?
- threat
- 2.Sd6#
- 2.Qd5#
- 1...Se2
- 2.Qd5#
- 1...Sb5
- 2.Qd5#
- 1...Sf5
- 2.Rg4#
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Se6
- 2.Qd5#
- 1...Sb3!
- threat
- 1.Qa5?
- threat
- 2.Sd6#
- 2.Rxe5#
- 2.Qxe5#
- 1...bxa5
- 2.Sc5#
- 1...Bd5
- 2.Sd6#
- 2.Qxd5#
- 1...Sb3
- 2.Qxe1#
- 2.Qd5#
- 1...Sb5
- 2.Qxe1#
- 1...Sf5
- 2.Rg4#
- 1...Sc6
- 2.Qxe1#
- 1...Se6
- 2.Qxe1#
- 1...b5
- 2.Sc5#
- 1...Se2!
- threat
- 1.Qa8?
- threat
- 2.Sc5#
- 2.Sd6#
- 1...Bd5
- 2.Sd6#
- 1...Se2
- 2.Sc5#
- 1...Sb3
- 2.Sa5#
- 2.Sc5#
- 2.Sd8#
- 1...Sb5
- 2.Sc5#
- 1...Sf5
- 2.Sc5#
- 2.Rg4#
- 1...Se6
- 2.Sc5#
- 1...Sc6!
- threat
- 1.Qc1?
- Keys
- 1.Qc5!
- threat
- 2.Sd6#
- 2.Rxe5#
- 2.Qxe5#
- 1...bxc5
- 2.Sxc5#
- 1...Bd5
- 2.Sd6#
- 2.Qxd5#
- 1...Se2
- 2.Sd6#
- 2.Qe3#
- 1...Sb3
- 2.Sd6#
- 2.Qe3#
- 2.Qd5#
- 2.Qc6#
- 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 = 2
- REMOVED MATES = 3
- Sets
- B(c);SBLOCK::S(F)
- S(g);SBLOCK::R(D)
- P(e);OGATE::QAR1(C)
- P(j);N_GUARD::S(F)
- Tries
- Try
- Q(C);
- Threat
- DUALS(3)
- Refutation
- P(e);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD::QAB(C)
- S(g);SBLOCK::R(D)
- Refutation
- S(g);
- Try
- Q(C);P_PINP(i)
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD::QAB(C)
- S(g);SBLOCK::R(D)
- S(g);N_GUARD,N_SPINP(i)::QAB(C)
- Refutation
- B(c);N_SPINP(i)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- P(d);::S(E)
- B(c);::S(E)
- S(b);::S(E)
- S(g);N_GUARD::QAB1(C)
- Refutation
- B(c);
- Try
- Q(C);XB(c)
- Threat
- DUALS(2)
- Vars
- S(g);::QAB1(C)
- Refutation
- S(g);
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- P(j);N_GUARD,XQ(C)::S(F)
- S(g);N_GUARD::QAR(C),XS(b)
- S(g);SBLOCK::R(D)
- P(j);N_GUARD::S(F)
- Refutation
- S(g);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(c);::S(F)
- S(g);::QAB(C)+S(F),DCHECK
- Refutation
- S(g);
- Try
- Actual
- Q(C);
- Threat
- DUALS(3)
- Vars
- P(j);XQ(C)::S(F),XP(j)
- S(g);OGATE::QAR1(C)
- S(g);SBLOCK::R(D)
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