MESON Chess Problem Database
Problem Display
PID: 48136 (BB6/3p1R1K/2q2N1Q/8/8/5k2/3R1p2/6n1 w - - 0 1)
Stan, Mihail
1st Prize, Romanian National Ty., 1939
#2
7 + 5
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qe4+
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Sh3
- 2.Qxh3#
- 1...f1Q
- 2.Qf4#
- 1...f1S
- 2.Qf4#
- 1...f1B
- 2.Qf4#
- 1...f1R
- 2.Qf4#
- 1...Qe4+
- Tries
- 1.Se4+?
- 1...Kg2
- 2.Rdxf2#
- 2.Rfxf2#
- 1...Kxe4
- 2.Qf4#
- 1...Kg4
- 2.Sxf2#
- 2.Rf4#
- 1...Qf6!
- 1...Kg2
- 1.Sg4+?
- 1...Kg2
- 2.Se3#
- 2.Rdxf2#
- 2.Rfxf2#
- 1...Ke4
- 2.Sxf2#
- 2.Rf4#
- 2.Qe3#
- 2.Qf4#
- 2.Qg6#
- 1...Kxg4!
- 1...Kg2
- 1.Sd5+?
- 1...Kg2
- 2.Se3#
- 2.Rdxf2#
- 2.Rfxf2#
- 1...Ke4
- 2.Sc3#
- 2.Rf4#
- 2.Qe3#
- 2.Qf4#
- 2.Qh4#
- 1...Kg4
- 2.Se3#
- 2.Rd4#
- 1...Qf6!
- 1...Kg2
- 1.Sxd7+?
- 1...Kg2
- 2.Rdxf2#
- 2.Rfxf2#
- 1...Ke4
- 2.Sc5#
- 2.Bxc6#
- 2.Qf4#
- 2.Qe6#
- 1...Kg4!
- 1...Kg2
- 1.Se8+?
- 1...Kg2
- 2.Rdxf2#
- 2.Rfxf2#
- 1...Ke4
- 2.Qf4#
- 1...Kg4!
- 1...Kg2
- 1.Sg8+?
- 1...Kg2
- 2.Rdxf2#
- 2.Rfxf2#
- 1...Ke4
- 2.Qf4#
- 1...Kg4!
- 1...Kg2
- 1.Bxc6+?
- 1...d5
- 2.Bxd5#
- 1...dxc6!
- 1...d5
- 1.Rg7?
- threat
- 2.Rg3#
- 2.Qf4#
- 1...Qe4+
- 2.Bxe4#
- 1...f1S
- 2.Qf4#
- 1...Se2
- 2.Rd3#
- 1...Sh3
- 2.Rg3#
- 2.Qxh3#
- 1...d6!
- threat
- 1.Qg5?
- threat
- 2.Qg3#
- 1...Qe4+
- 2.Sxe4#
- 2.Bxe4#
- 1...f1S
- 2.Qf4#
- 1...Se2
- 2.Rd3#
- 1...d6!
- threat
- 1.Qh2?
- threat
- 2.Qg3#
- 2.Qxf2#
- 1...Ke3
- 2.Qf4#
- 2.Qxf2#
- 1...f1Q
- 2.Qg3#
- 2.Qf4#
- 1...f1S
- 2.Qf4#
- 2.Qf2#
- 1...f1B
- 2.Qg3#
- 2.Qf4#
- 2.Qf2#
- 1...f1R
- 2.Rd3#
- 2.Qg3#
- 2.Qf4#
- 1...Se2
- 2.Rd3#
- 1...Sh3
- 2.Qg3#
- 2.Qxh3#
- 1...d6
- 2.Qxf2#
- 1...Qe4+!
- threat
- 1.Qh4?
- threat
- 2.Qxf2#
- 2.Qg3#
- 1...Qe4+
- 2.Qxe4#
- 1...Kg2
- 2.Rxf2#
- 1...Ke3
- 2.Qxf2#
- 2.Qf4#
- 1...f1Q
- 2.Qg3#
- 2.Qf4#
- 1...f1S
- 2.Qf2#
- 2.Qf4#
- 1...f1B
- 2.Qf2#
- 2.Qg3#
- 2.Qf4#
- 1...f1R
- 2.Qg3#
- 2.Qf4#
- 1...Sh3
- 2.Qg3#
- 2.Qxh3#
- 1...d6
- 2.Qxf2#
- 1...Se2!
- threat
- 1.Se4+?
- Keys
- 1.Qg6!
- threat
- 2.Qg3#
- 1...Ke3
- 2.Qd3#
- 1...d6
- 2.Sd5#
- 1...f1S
- 2.Sg4#
- 1...Qe4
- 2.Qxe4#
- 1...Se2
- 2.Rd3#
- threat
- 1.Qg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- Q(d);CHECK,OGATE::B(F),XQ(d)
- Q(d);OGATE::B(F),XQ(d)
- S(a);N_GUARD::QAR2(C),XS(a)
- P(b);::QAR1(C)
- Tries
- Try
- S(B);CHECK,N_PINQ(d)
- Vars
- K(c);P_SPINQ(d),S_FLIGHT,XS(B)::QAR1(C)
- Refutation
- Q(d);P_SPINQ(d)
- Try
- S(B);CHECK
- Refutation
- K(c);N_SPINQ(d),S_FLIGHT,XS(B)
- Try
- S(B);CHECK,N_PINQ(d)
- Refutation
- Q(d);P_SPINQ(d)
- Try
- S(B);CHECK,XP(e)
- Refutation
- K(c);N_SPINQ(d),S_FLIGHT
- Try
- S(B);CHECK
- Vars
- K(c);S_FLIGHT::QAR1(C)
- Refutation
- K(c);N_SPINQ(d),S_FLIGHT
- Try
- S(B);CHECK
- Vars
- K(c);S_FLIGHT::QAR1(C)
- Refutation
- K(c);N_SPINQ(d),S_FLIGHT
- Try
- B(F);CHECK,XQ(d)
- Vars
- P(e);P_SPINP(e)::B(F),XP(e)
- Refutation
- P(e);XB(F)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(d);CHECK,OGATE::B(F),XQ(d)
- P(b);::QAR1(C)
- S(a);SBLOCK::R(A)
- Refutation
- P(e);
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- P(b);::QAR1(C)
- S(a);SBLOCK::R(A)
- Refutation
- P(e);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(a);SBLOCK::R(A)
- P(e);::QAR1(C),XP(b)
- Refutation
- Q(d);CHECK
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(d);CHECK,N_GUARD::QAB1(C),XQ(d)
- K(c);P_SPINP(b),S_FLIGHT::R1(A),XP(b)
- P(e);::QAR1(C),XP(b)
- Refutation
- S(a);
- Try
- Actual
- Q(C);
- Threat
- QAR1(C)
- Vars
- K(c);N_SPINQ(d),P-FLIGHT::QAR1(C)
- P(e);::R(D)+S(B)
- P(b);::R(D)+S(B)
- Q(d);N_GUARD,P_PINQ(C)::QAB1(C),XQ(d)
- S(a);SBLOCK::R(A)
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