MESON Chess Problem Database
Problem Display
PID: 70808 (8/8/3p4/3P4/5nQ1/p3k2p/R5nK/3R3B w - - 0 1)
Buchwald, Julius
Tidskrift for Schack, 1965
#2
6 + 6
| 254 | Stella Polaris | 1966 |
| 5759 | Selected Compositions of Julius Buchwald | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Re2#
- 1...Se1
- 2.Qg1#
- 1...Sh4
- 2.Qg1#
- 1...Se2
- 2.Rxe2#
- 1...Sd3
- 2.Re2#
- 1...Sxd5
- 2.Re2#
- 1...Sh5
- 2.Re2#
- 1...Se6
- 2.Re2#
- 1...Sg6
- 2.Re2#
- 1...Ke4
- Tries
- 1.Kg3?
- threat
- 2.Qf3#
- 1...Se2+
- 2.Rxe2#
- 2.Qxe2#
- 1...Ke4
- 2.Re2#
- 2.Qxf4#
- 1...Se1
- 2.Qxf4#
- 1...Sh4
- 2.Qxf4#
- 1...Sd3
- 2.Re2#
- 1...Sh5+!
- threat
- 1.Bxg2?
- threat
- 2.Qf3#
- 2.Qg3#
- 1...Sxg2
- 2.Re2#
- 1...Se2
- 2.Rxe2#
- 2.Qf3#
- 1...Sd3
- 2.Re2#
- 2.Qe4#
- 1...Sh5
- 2.Re2#
- 2.Qf3#
- 2.Qd4#
- 2.Qe4#
- 1...hxg2!
- threat
- 1.Rd4?
- 1...Sxd5
- 2.Re2#
- 2.Qe4#
- 1...Se1
- 2.Qg1#
- 2.Qxf4#
- 1...Sh4
- 2.Qg1#
- 2.Qxf4#
- 1...Se2
- 2.Rxe2#
- 1...Sd3
- 2.Re2#
- 2.Re4#
- 2.Qe4#
- 1...Sh5
- 2.Re2#
- 2.Qe4#
- 1...Se6
- 2.Re2#
- 2.Qe4#
- 1...Sg6
- 2.Re2#
- 2.Qe4#
- 1...Kxd4!
- 1...Sxd5
- 1.Rc2?
- 1...Ke4
- 2.Re2#
- 1...Sxd5
- 2.Re2#
- 1...Se1
- 2.Qg1#
- 1...Sh4
- 2.Qg1#
- 1...Se2
- 2.Rxe2#
- 1...Sd3
- 2.Re2#
- 1...Sh5
- 2.Re2#
- 1...Se6
- 2.Re2#
- 1...Sg6
- 2.Re2#
- 1...a2!
- 1...Ke4
- 1.Rad2?
- 1...Ke4
- 2.Re1#
- 2.Re2#
- 1...Sxd5
- 2.Re2#
- 1...Se1
- 2.Qg1#
- 1...Sh4
- 2.Qg1#
- 1...Se2
- 2.Rxe2#
- 1...Sd3
- 2.Re2#
- 1...Sh5
- 2.Re2#
- 1...Se6
- 2.Re2#
- 1...Sg6
- 2.Re2#
- 1...a2!
- 1...Ke4
- 1.Rf2?
- threat
- 2.Qf3#
- 1...Ke4
- 2.Re2#
- 2.Qxf4#
- 1...Se1
- 2.Qxf4#
- 1...Sh4
- 2.Qxf4#
- 1...Sd3
- 2.Re2#
- 1...Kxf2!
- threat
- 1.Qe6+?
- 1...Kf3
- 2.Rf1#
- 1...Sxe6!
- 1...Kf3
- 1.Kg3?
- Keys
- 1.Qf5!
- 1...Kf3
- 2.Rd3#
- 1...Sxd5
- 2.Rd3#
- 1...Se1
- 2.Qe4#
- 1...Sh4
- 2.Qe4#
- 1...Se2
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sh5
- 2.Rd3#
- 1...Se6
- 2.Rd3#
- 1...Sg6
- 2.Rd3#
- 1...Kf3
- 1.Qf5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(c);P-FLIGHT,P_SPINS(a)::R(C)
- S(a);OGATE::QAB(E)
- S(e);N_GUARD::R1(C),XS(e)
- S(e);N_GUARD::R1(C)
- S(e);N_GUARD,XP(F)::R1(C)
- Tries
- Try
- K(D);S_FLIGHT
- Threat
- QAR1(E)
- Vars
- S(a);N_GUARD::QAB1(E),XS(e)
- S(e);N_GUARD::R1(C)
- Refutation
- S(e);CHECK
- Try
- B(B);XS(a)
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD,XB(B)::R1(C)
- Refutation
- P(d);XB(B)
- Try
- R(A);
- Vars
- S(e);N_GUARD::R1(C),XS(e)
- Refutation
- K(c);P_SPINS(e),S_FLIGHT,XR(A)
- Try
- R(C);
- Vars
- K(c);P-FLIGHT,P_SPINS(a)::R(C)
- S(e);N_GUARD,XP(F)::R1(C)
- S(a);OGATE::QAB(E)
- S(e);N_GUARD::R1(C),XS(e)
- S(e);N_GUARD::R1(C)
- Refutation
- P(b);
- Try
- R(C);
- Vars
- S(e);N_GUARD,XP(F)::R1(C)
- S(a);OGATE::QAB(E)
- S(e);N_GUARD::R1(C),XS(e)
- S(e);N_GUARD::R1(C)
- Refutation
- P(b);
- Try
- R(C);
- Threat
- QAR1(E)
- Vars
- S(a);N_GUARD::QAB1(E),XS(e)
- S(e);N_GUARD::R1(C)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- Q(E);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINS(a)::R(A)
- Refutation
- S(e);XQ(E)
- Try
- Actual
- Q(E);
- Vars
- K(c);P-FLIGHT,P_SPINS(a)::R(A)
- S(e);N_GUARD,XP(F)::R1(A)
- S(a);::QAR1(E)
- S(e);N_GUARD::R1(A)
- S(e);N_GUARD::R1(A),XS(e)
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