MESON Chess Problem Database
Problem Display
PID: 158776 (K7/8/5n1R/2k5/2PN1P2/P2Q4/1P1NP3/8 w - - 0 1)
Karstedt, Max AKS
British Chess Magazine 13. Ty., 1906-1907
#2
10 + 2
SOLUTION
- SOUND
- Sets
- 1...Se4
- 2.S2b3#
- 2.Sxe4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Sg4
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Sd5
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 1...Sh5
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Sd7
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Sh7
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Se8
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Sg8
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Se4
- Tries
- 1.Ka7?
- 1...Se4
- 2.S2b3#
- 2.Sxe4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Sg4
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Sd5
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 1...Sh5
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Sd7
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Sh7
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Se8
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Sg8
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 2.b4#
- 1...Kd6!
- 1...Se4
- 1.Kb7?
- threat
- 2.S4b3#
- 2.Se6#
- 1...Sd5
- 2.S2b3#
- 2.Se4#
- 2.S4b3#
- 2.Rc6#
- 1...Kd6!
- threat
- 1.Se4+?
- 1...Sxe4
- 2.Sb3#
- 2.Rc6#
- 2.b4#
- 1...Kb6!
- 1...Sxe4
- 1.S4b3+?
- 1...Kb6
- 2.Qd6#
- 1...Kc6!
- 1...Kb6
- 1.Sb5?
- threat
- 2.Qd6#
- 1...Kc6
- 2.Qd6#
- 1...Se4
- 2.Sb3#
- 2.Sxe4#
- 2.Qe3#
- 2.Qd4#
- 2.Qd5#
- 2.b4#
- 1...Sd5
- 2.Sb3#
- 2.Se4#
- 2.Qd4#
- 2.Qxd5#
- 1...Se8
- 2.Sb3#
- 2.Se4#
- 2.Qf5#
- 2.Qe3#
- 2.Qd4#
- 2.Qd5#
- 2.b4#
- 1...Kb6!
- threat
- 1.Sf5?
- threat
- 2.Qd6#
- 1...Kc6
- 2.Qd6#
- 1...Se4
- 2.Sb3#
- 2.Sxe4#
- 2.Qe3#
- 2.Qd4#
- 2.Qd5#
- 2.b4#
- 1...Sd5
- 2.Sb3#
- 2.Se4#
- 2.Qd4#
- 2.Qxd5#
- 1...Se8
- 2.Sb3#
- 2.Se4#
- 2.Qe3#
- 2.Qd4#
- 2.Qd5#
- 2.b4#
- 1...Kb6!
- threat
- 1.Ka7?
- Keys
- 1.Qh7!
- 1...Kxd4
- 2.Qa7#
- 1...Kb6
- 2.Qa7#
- 1...Kd6
- 2.Se4#
- 1...Sxh7
- 2.S4b3#
- 1...Se4
- 2.S4b3#
- 2.Qa7#
- 1...Sg4
- 2.S4b3#
- 2.Qa7#
- 1...Sd5
- 2.S4b3#
- 1...Sh5
- 2.S4b3#
- 2.Qa7#
- 1...Sd7
- 2.S4b3#
- 1...Se8
- 2.S4b3#
- 2.Qa7#
- 1...Sg8
- 2.S4b3#
- 2.Qa7#
- 1...Kxd4
- 1.Qh7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(J);P-FLIGHT
- Refutation
- K(a);P_SPINS(b),S_FLIGHT
- Try
- K(J);S_FLIGHT
- Threat
- DUALS(2)
- Refutation
- K(a);P_SPINS(b),S_FLIGHT
- Try
- S(B);CHECK
- Refutation
- K(a);P_SPINS(b),S_FLIGHT
- Try
- S(G);CHECK
- Vars
- K(a);P_SPINS(b),S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- S(G);
- Threat
- QAB1(E)
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::QAR1(E)
- Refutation
- K(a);P_SPINS(b),S_FLIGHT
- Try
- S(G);
- Threat
- QAB1(E)
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::QAR1(E)
- Refutation
- K(a);P_SPINS(b),S_FLIGHT
- Try
- Actual
- Q(E);
- Vars
- K(a);S_FLIGHT,XS(G)::QAB(E)
- K(a);P_SPINS(b),S_FLIGHT::QAB1(E)
- K(a);P_SPINS(b),S_FLIGHT::S(B)
- S(b);XQ(E)::S(G)
- S(b);::S(G)
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