MESON Chess Problem Database
Problem Display
PID: 117126 (8/3B1QpK/1p6/kP6/r6b/q5p1/1nNRp3/R3B3 w - - 0 1)
Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)
Hamburger Volkszeitung, 1928
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qd6
- 2.Rxd6#
- 1...Qe7
- 2.Rd6#
- 1...Qf8
- 2.Rd6#
- 1...Qd3+
- 2.Rxd3#
- 1...Qf3
- 2.Rd3#
- 1...Rd4
- 2.Rxd4#
- 1...Re4
- 2.Rd4#
- 1...Rf4
- 2.Rd4#
- 1...Rg4
- 2.Rd4#
- 1...Qd6
- Tries
- 1.Bc6?
- threat
- 2.Qa7#
- 1...Qd3+
- 2.Rxd3#
- 1...Qe7
- 2.Rd6#
- 1...Be7!
- threat
- 1.Be8?
- threat
- 2.Qa7#
- 1...Qd3+
- 2.Rxd3#
- 1...Qe7
- 2.Rd6#
- 1...Be7!
- threat
- 1.Rdd1+?
- 1...Qb4
- 2.Bxb4#
- 1...Qc3
- 2.Bxc3#
- 1...Rb4!
- 1...Qb4
- 1.Rxe2+?
- 1...Qb4
- 2.Bxb4#
- 1...Qc3
- 2.Bxc3#
- 1...Rb4!
- 1...Qb4
- 1.Rd3+?
- 1...Qb4
- 2.Bxb4#
- 1...Qc3
- 2.Bxc3#
- 1...Rb4!
- 1...Qb4
- 1.Rd4+?
- 1...Qb4
- 2.Bxb4#
- 1...Qc3
- 2.Bxc3#
- 1...Rb4!
- 1...Qb4
- 1.Rd5+?
- 1...Qb4
- 2.Bxb4#
- 1...Qc3
- 2.Bxc3#
- 1...Rb4!
- 1...Qb4
- 1.Rd6+?
- 1...Qb4
- 2.Bxb4#
- 1...Qc3
- 2.Bxc3#
- 1...Rb4!
- 1...Qb4
- 1.Qd5?
- threat
- 2.Qa8#
- 1...Qd3+
- 2.Rxd3#
- 1...Qf3
- 2.Rd3#
- 1...Qf8!
- threat
- 1.Qe8?
- threat
- 2.Qa8#
- 1...Qd3+
- 2.Rxd3#
- 1...Qf8
- 2.Rd6#
- 1...Qf3
- 2.Rd3#
- 1...Bd8!
- threat
- 1.Qg8?
- threat
- 2.Qa8#
- 1...Qd3+
- 2.Rxd3#
- 1...Qf8
- 2.Rd6#
- 1...Qf3
- 2.Rd3#
- 1...Bd8!
- threat
- 1.Qf8?
- threat
- 2.Qa8#
- 1...Qd3+
- 2.Rxd3#
- 1...Qxf8
- 2.Rd6#
- 1...Qf3
- 2.Rd3#
- 2.Qb4#
- 1...Bd8!
- threat
- 1.Bc6?
- Keys
- 1.Qf3!
- threat
- 2.Qa8#
- 1...Qd3+
- 2.Rxd3#
- 1...Qxf3
- 2.Rd3#
- 1...Re4
- 2.Rd4#
- 1...Qf8
- 2.Rd6#
- threat
- 1.Qf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- Q(c);N_GUARD,P_SPINR(e)::B(B)+R(D),XQ(c)
- Q(c);N_GUARD,P_SPINR(e)::B(B)+R(D)
- Q(c);CHECK,N_GUARD,P_SPINR(e)::B(B)+R(D),XQ(c)
- R(e);N_GUARD,P_SPINQ(c)::B(B)+R(D),XR(e)
- R(e);N_GUARD,P_SPINQ(c)::B(B)+R(D)
- Tries
- Try
- B(F);
- Threat
- QAR2(G)
- Vars
- Q(c);CHECK,N_GUARD,P_SPINR(e)::B(B)+R(D),XQ(c)
- Q(c);N_GUARD,P_SPINR(e)::B(B)+R(D)
- Refutation
- B(f);
- Try
- B(F);
- Threat
- QAR2(G)
- Vars
- Q(c);CHECK,N_GUARD,P_SPINR(e)::B(B)+R(D),XQ(c)
- Q(c);N_GUARD,P_SPINR(e)::B(B)+R(D)
- Refutation
- B(f);
- Try
- R(D);CHECK
- Vars
- Q(c);N_GUARD,P_SPINQ(c),P_SPINR(e)::B(B),XQ(c)
- Refutation
- R(e);P_SPINQ(c),P_SPINR(e)
- Try
- R(D);CHECK,XP(b)
- Vars
- Q(c);N_GUARD,P_SPINQ(c),P_SPINR(e)::B(B),XQ(c)
- Refutation
- R(e);P_SPINQ(c),P_SPINR(e)
- Try
- R(D);CHECK
- Vars
- Q(c);N_GUARD,P_SPINQ(c),P_SPINR(e)::B(B),XQ(c)
- Refutation
- R(e);P_SPINQ(c),P_SPINR(e)
- Try
- R(D);CHECK
- Vars
- Q(c);N_GUARD,P_SPINQ(c),P_SPINR(e)::B(B),XQ(c)
- Refutation
- R(e);P_SPINQ(c),P_SPINR(e)
- Try
- R(D);CHECK
- Vars
- Q(c);N_GUARD,P_SPINQ(c),P_SPINR(e)::B(B),XQ(c)
- Refutation
- R(e);P_SPINQ(c),P_SPINR(e)
- Try
- R(D);CHECK
- Vars
- Q(c);N_GUARD,P_SPINQ(c),P_SPINR(e)::B(B),XQ(c)
- Refutation
- R(e);P_SPINQ(c),P_SPINR(e)
- Try
- Q(G);
- Threat
- QAR(G)
- Vars
- Q(c);CHECK,N_GUARD,P_SPINR(e)::B(B)+R(D),XQ(c)
- Q(c);N_GUARD,P_SPINR(e)::B(B)+R(D)
- Refutation
- Q(c);P_SPINR(e)
- Try
- Q(G);
- Threat
- QAR(G)
- Vars
- Q(c);CHECK,N_GUARD,P_SPINR(e)::B(B)+R(D),XQ(c)
- Q(c);N_GUARD,P_SPINR(e)::B(B)+R(D)
- Refutation
- B(f);
- Try
- Q(G);
- Threat
- QAR(G)
- Vars
- Q(c);CHECK,N_GUARD,P_SPINR(e)::B(B)+R(D),XQ(c)
- Q(c);N_GUARD,P_SPINR(e)::B(B)+R(D)
- Refutation
- B(f);
- Try
- Q(G);
- Threat
- QAR(G)
- Vars
- Q(c);CHECK,N_GUARD,P_SPINR(e)::B(B)+R(D),XQ(c)
- Q(c);N_GUARD,P_SPINR(e),XQ(G)::B(B)+R(D)
- Refutation
- B(f);
- Try
- Actual
- Q(G);
- Threat
- QAR(G)
- Vars
- Q(c);CHECK,N_GUARD,P_SPINR(e)::B(B)+R(D),XQ(c)
- Q(c);N_GUARD,P_SPINR(e),XQ(G)::B(B)+R(D)
- R(e);N_GUARD,P_SPINQ(c)::B(B)+R(D)
- Q(c);N_GUARD,P_SPINR(e)::B(B)+R(D)
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