MESON Chess Problem Database
Problem Display
PID: 140356 (3nK3/bp1Q2N1/7p/4N2p/4k3/2P5/2PPb1pB/8 w - - 0 1)
Leites, Samuil Davidovich
Shakhmaty v SSSR, 1949
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Qd3#
- 1...Bd3
- 2.Qxd3#
- 2.cxd3#
- 1...Bf3
- 2.Qd3#
- 1...Bg4
- 2.Qd3#
- 1...Bd4
- 2.Qxd4#
- 1...Bb8
- 2.Qd4#
- 1...Se6
- 2.Qxb7#
- 1...Sf7
- 2.Qxb7#
- 1...b6
- 2.Qd4#
- 1...Bd1
- Tries
- 1.Sd3?
- threat
- 2.Qf5#
- 1...Kf3
- 2.Qf5#
- 1...Se6
- 2.Qxb7#
- 1...Bg4!
- threat
- 1.Sf3?
- threat
- 2.Qf5#
- 1...Kxf3
- 2.Qf5#
- 1...Se6
- 2.Qxb7#
- 1...Bb5!
- threat
- 1.Sg4?
- threat
- 2.Qf5#
- 1...Kf3
- 2.Qf5#
- 1...Bxg4
- 2.Qd3#
- 1...Se6
- 2.Qxb7#
- 1...Bb5!
- threat
- 1.Sc6?
- threat
- 2.Qf5#
- 1...Kf3
- 2.Qf5#
- 1...Bg4
- 2.Qd3#
- 1...Se6!
- threat
- 1.Sg6?
- threat
- 2.Qf5#
- 1...Kf3
- 2.Qf5#
- 1...Bg4
- 2.Qd3#
- 1...Se6
- 2.Qxb7#
- 1...Bb5!
- threat
- 1.Sf7?
- threat
- 2.Qf5#
- 1...Kf3
- 2.Qf5#
- 1...Bg4
- 2.Qd3#
- 1...Se6
- 2.Qxb7#
- 1...Bb5!
- threat
- 1.Qxb7+?
- 1...Sc6
- 2.Qxc6#
- 1...Sxb7!
- 1...Sc6
- 1.d3+?
- 1...Bxd3
- 2.Qxd3#
- 1...Ke3!
- 1...Bxd3
- 1.Sd3?
- Keys
- 1.Sc4!
- threat
- 2.Qf5#
- 1...Kf3
- 2.Qf5#
- 1...Bg4
- 2.Qd3#
- 1...Se6
- 2.Qxb7#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- B(a);N_GUARD::QAB1(F)
- B(f);N_GUARD::QAR1(F),XB(f)
- B(f);N_GUARD::QAR1(F)
- S(h);N_GUARD::QAB(F),XP(g)
- P(g);S_CUTB(f)::QAR1(F)
- Tries
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- K(c);S_FLIGHT::QAR2(F)
- S(h);N_GUARD::QAB(F),XP(g)
- Refutation
- B(a);
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- K(c);S_FLIGHT,XS(E)::QAR2(F)
- S(h);N_GUARD::QAB(F),XP(g)
- Refutation
- B(a);P_PINQ(F)
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- K(c);S_FLIGHT::QAR2(F)
- B(a);N_GUARD,XS(E)::QAB1(F)
- S(h);N_GUARD::QAB(F),XP(g)
- Refutation
- B(a);P_PINQ(F)
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- K(c);S_FLIGHT::QAR2(F)
- B(a);N_GUARD::QAB1(F)
- Refutation
- S(h);
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- K(c);S_FLIGHT::QAR2(F)
- B(a);N_GUARD::QAB1(F)
- S(h);N_GUARD::QAB(F),XP(g)
- Refutation
- B(a);P_PINQ(F)
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- K(c);S_FLIGHT::QAR2(F)
- B(a);N_GUARD::QAB1(F)
- S(h);N_GUARD::QAB(F),XP(g)
- Refutation
- B(a);P_PINQ(F)
- Try
- Q(F);CHECK,XP(g)
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAB(F),XS(h)
- Refutation
- S(h);XQ(F)
- Try
- P(B);CHECK
- Vars
- B(a);OGATE,XP(B)::QAB1(F),XB(a)
- Refutation
- K(c);P-FLIGHT
- Try
- Actual
- S(E);
- Threat
- QAB1(F)
- Vars
- K(c);S_FLIGHT::QAR2(F)
- B(a);N_GUARD::QAB1(F)
- S(h);N_GUARD::QAB(F),XP(g)
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