MESON Chess Problem Database
Problem Display
PID: 115724 (K2RbQ2/2NrP3/3krn2/2R1p3/1P1n4/7p/7B/8 w - - 0 1)
Eriksson, Finn Olof
Mora Tidning, 1935
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxe7
- 2.Bxe5#
- 1...Rxd8+
- 2.exd8Q#
- 2.exd8R#
- 1...Bh5
- 2.e8S#
- 1...Bg6
- 2.e8S#
- 1...Bf7
- 2.e8S#
- 1...Sc2
- 2.Sb5#
- 1...Se2
- 2.Sb5#
- 1...Sb3
- 2.Sb5#
- 1...Sf3
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...Sf5
- 2.Sb5#
- 1...Sc6
- 2.Sb5#
- 1...Se4
- 2.Sxe8#
- 1...Sg4
- 2.Sxe8#
- 1...Sd5
- 2.Sxe8#
- 1...Sh5
- 2.Sxe8#
- 1...Sh7
- 2.Sxe8#
- 1...Sg8
- 2.Sxe8#
- 1...Rxe7
- Tries
- 1.Kb8?
- 1...Rxd8+
- 2.exd8Q#
- 2.exd8R#
- 1...Rxe7
- 2.Bxe5#
- 1...Bh5
- 2.e8S#
- 1...Bg6
- 2.e8S#
- 1...Bf7
- 2.e8S#
- 1...Sc2
- 2.Sb5#
- 1...Se2
- 2.Sb5#
- 1...Sb3
- 2.Sb5#
- 1...Sf3
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...Sf5
- 2.Sb5#
- 1...Se4
- 2.Sxe8#
- 1...Sg4
- 2.Sxe8#
- 1...Sd5
- 2.Sxe8#
- 1...Sh5
- 2.Sxe8#
- 1...Sh7
- 2.Sxe8#
- 1...Sg8
- 2.Sxe8#
- 1...Sc6+!
- 1...Rxd8+
- 1.Bg3?
- 1...Rxd8+
- 2.exd8Q#
- 2.exd8R#
- 1...Rxe7
- 2.Bxe5#
- 1...Sc6
- 2.Sb5#
- 1...Sc2
- 2.Sb5#
- 1...Bh5
- 2.e8S#
- 1...Bg6
- 2.e8S#
- 1...Bf7
- 2.e8S#
- 1...Se2
- 2.Sb5#
- 1...Sb3
- 2.Sb5#
- 1...Sf3
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...Sf5
- 2.Sb5#
- 1...Se4
- 2.Sxe8#
- 1...Sg4
- 2.Sxe8#
- 1...Sd5
- 2.Sxe8#
- 1...Sh5
- 2.Sxe8#
- 1...Sh7
- 2.Sxe8#
- 1...Sg8
- 2.Sxe8#
- 1...h2!
- 1...Rxd8+
- 1.Rxd7+?
- 1...Bxd7
- 2.e8S#
- 1...Sxd7
- 2.Sxe8#
- 1...Kxd7!
- 1...Bxd7
- 1.Kb8?
- Keys
- 1.Kb7!
- 1...Rxe7
- 2.Bxe5#
- 1...Rxd8
- 2.exd8Q#
- 2.exd8R#
- 1...Bh5
- 2.e8S#
- 1...Bg6
- 2.e8S#
- 1...Bf7
- 2.e8S#
- 1...Sc2
- 2.Rc6#
- 1...Se2
- 2.Rc6#
- 1...Sb3
- 2.Rc6#
- 1...Sf3
- 2.Rc6#
- 1...Sb5
- 2.Rc6#
- 1...Sf5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 1...Se4
- 2.Rd5#
- 1...Sg4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Sh7
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Rxe7
- 1.Kb7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 13
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD,XP(E)::B(A),XP(c)
- R(g);CHECK,N_SPINR(g),OGATE,XR(G)::PXR(g)=Q
- B(h);OGATE::P=S
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(f);N_GUARD::S(D),XB(h)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- R(g);CHECK,N_SPINR(g),OGATE,XR(G)::PXR(g)=Q
- R(e);N_GUARD,XP(E)::B(A),XP(c)
- B(h);OGATE::P=S
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(f);N_GUARD::S(D),XB(h)
- Refutation
- S(b);CHECK
- Try
- B(A);
- Vars
- R(g);CHECK,N_SPINR(g),OGATE,XR(G)::PXR(g)=Q
- R(e);N_GUARD,XP(E)::B(A),XP(c)
- S(b);N_GUARD::S(D)
- B(h);OGATE::P=S
- S(b);N_GUARD::S(D),XS(b)
- S(f);N_GUARD::S(D),XB(h)
- Refutation
- P(a);
- Try
- R(G);CHECK,XR(g)
- Vars
- B(h);OGATE,SBLOCK,XR(G)::P=S
- S(f);SBLOCK,XR(G)::S(D),XB(h)
- Refutation
- K(d);N_SPINP(c),P-FLIGHT,XR(G)
- Try
- Actual
- K(F);P_SPINS(D),S_FLIGHT
- Vars
- R(e);N_GUARD,XP(E)::B(A),XP(c)
- R(g);N_PINS(D),N_SPINR(g),OGATE,XR(G)::PXR(g)=Q
- B(h);OGATE::P=S
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- S(f);N_GUARD::R1(C)
- S(f);N_GUARD::R1(C),XS(f)
Developed and maintained by Brian Stephenson.
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