MESON Chess Problem Database
Problem Display
PID: 249832 (8/7R/K7/1NBP1NR1/1pkPPq2/8/2P5/8 w - - 0 1)
Ulanov, Leonid
Schweizerische Schachzeitung, 1996
#2
10 + 3
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sfd6#
- 1...Qd2
- 2.Sfd6#
- 1...Qh2
- 2.Se3#
- 1...Qe3
- 2.Sxe3#
- 2.Sfd6#
- 1...Qe5
- 2.Se3#
- 1...Qxg5
- 2.Sfd6#
- 1...Qd6+
- 2.Sfxd6#
- 1...Qc7
- 2.Se3#
- 1...Qb8
- 2.Se3#
- 1...Qf1
- 2.Se3#
- 2.Sfd6#
- 1...Qf2
- 2.Sfd6#
- 1...Qf3
- 2.Sfd6#
- 1...Qxe4
- 2.Sfd6#
- 1...Qg4
- 2.Se3#
- 2.Sfd6#
- 1...Qh4
- 2.Se3#
- 2.Sfd6#
- 1...Qc1
- Tries
- 1.Bd6?
- threat
- 2.Rc7#
- 1...Qxd6+
- 2.Sfxd6#
- 1...Qxe4!
- threat
- 1.Rh3?
- 1...Qd6+
- 2.Sbxd6#
- 2.Sfxd6#
- 1...Qxg5
- 2.Sbd6#
- 2.Sfd6#
- 1...Qxe4
- 2.Sfd6#
- 1...Qxf5
- 2.Sd6#
- 1...Qc1
- 2.Sbd6#
- 2.Sfd6#
- 1...Qd2
- 2.Sbd6#
- 2.Sfd6#
- 1...Qh2
- 2.Se3#
- 1...Qe3
- 2.Sxe3#
- 2.Sfd6#
- 1...Qe5
- 2.Se3#
- 1...Qc7
- 2.Se3#
- 1...Qb8
- 2.Se3#
- 1...Qf1
- 2.Sbd6#
- 2.Se3#
- 2.Sfd6#
- 1...Qf2
- 2.Sbd6#
- 2.Sfd6#
- 1...Qf3
- 2.Sfd6#
- 1...Qg4
- 2.Sbd6#
- 2.Se3#
- 2.Sfd6#
- 1...Qh4
- 2.Sbd6#
- 2.Se3#
- 2.Sfd6#
- 1...b3
- 2.Sa3#
- 2.Rc3#
- 2.cxb3#
- 1...Qg3!
- 1...Qd6+
- 1.Bd6?
- Keys
- 1.Rc7!
- threat
- 2.Bd6#
- 1...Qd6+
- 2.Sfxd6#
- 2.Bxd6#
- 1...Qxc7
- 2.Se3#
- 1...Qxe4
- 2.Sfd6#
- threat
- 1.Rc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- Q(c);N_GUARD::S(G)
- Q(c);N_GUARD,XR(H)::S(G)
- Q(c);CHECK,N_GUARD::S(G),XQ(c)
- Q(c);N_GUARD,XP(C)::S(G)
- Tries
- Try
- B(E);
- Threat
- R(J)
- Vars
- Q(c);CHECK,XB(E)::S(G),XQ(c)
- Refutation
- Q(c);XP(C)
- Try
- R(J);
- Vars
- Q(c);N_GUARD,XP(C)::S(G)
- Q(c);N_GUARD,XS(G)::S(D)
- Q(c);N_GUARD::S(G)
- Refutation
- Q(c);
- Try
- Actual
- R(J);
- Threat
- R(J)+B(E)
- Vars
- Q(c);N_GUARD,XR(J)::S(G)
- Q(c);N_GUARD,XP(C)::S(G)
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