MESON Chess Problem Database
Problem Display
PID: 148838 (8/8/2PBKn2/3P4/1N1kp3/4R3/1P1N1P2/2r5 w - - 0 1)
Wasserman, E
Good Companions (March), 1918
#2
9 + 4
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sc2#
- 1...Rb1
- 2.Sc2#
- 1...Rd1
- 2.Sc2#
- 1...Re1
- 2.Sc2#
- 1...Rf1
- 2.Sc2#
- 1...Rg1
- 2.Sc2#
- 1...Rh1
- 2.Sc2#
- 1...Rc2
- 2.Sxc2#
- 1...Rc3
- 2.bxc3#
- 1...Rc4
- 2.Sb3#
- 1...Rc5
- 2.Be5#
- 1...Rxc6
- 2.Sxc6#
- 1...Sg4
- 2.Rxe4#
- 1...Sxd5
- 2.Rxe4#
- 1...Sh5
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Se8
- 2.Rxe4#
- 1...Sg8
- 2.Rxe4#
- 1...Ra1
- Tries
- 1.Bf8?
- 1...Rxc6+
- 2.Sxc6#
- 1...Sxd5
- 2.Rxe4#
- 1...Ra1
- 2.Sc2#
- 1...Rb1
- 2.Sc2#
- 1...Rd1
- 2.Sc2#
- 1...Re1
- 2.Sc2#
- 1...Rf1
- 2.Sc2#
- 1...Rg1
- 2.Sc2#
- 1...Rh1
- 2.Sc2#
- 1...Rc2
- 2.Sxc2#
- 1...Rc3
- 2.bxc3#
- 1...Rc4
- 2.Sb3#
- 1...Sg4
- 2.Rxe4#
- 1...Sh5
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Se8
- 2.Rxe4#
- 1...Sg8
- 2.Rxe4#
- 1...Rc5!
- 1...Rxc6+
- 1.Rc3?
- threat
- 2.Sb3#
- 2.Bc5#
- 2.Be5#
- 1...Sg4
- 2.Sb3#
- 2.Bc5#
- 1...Sd7
- 2.Sb3#
- 1...e3
- 2.Bc5#
- 2.Be5#
- 2.Rd3#
- 2.fxe3#
- 1...Rxc3!
- threat
- 1.c7?
- 1...Sxd5
- 2.Rxe4#
- 1...Sg4
- 2.Rxe4#
- 1...Ra1
- 2.Sc2#
- 2.Sc6#
- 1...Rb1
- 2.Sc2#
- 2.Sc6#
- 1...Rd1
- 2.Sc2#
- 2.Sc6#
- 1...Re1
- 2.Sc2#
- 2.Sc6#
- 1...Rf1
- 2.Sc2#
- 2.Sc6#
- 1...Rg1
- 2.Sc2#
- 2.Sc6#
- 1...Rh1
- 2.Sc2#
- 2.Sc6#
- 1...Rc2
- 2.Sxc2#
- 1...Rc3
- 2.bxc3#
- 1...Rc4
- 2.Sb3#
- 1...Rc5
- 2.Be5#
- 1...Rc6
- 2.Sxc6#
- 1...Sh5
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Se8
- 2.Rxe4#
- 1...Sg8
- 2.Rxe4#
- 1...Rxc7!
- 1...Sxd5
- 1.Bf8?
- Keys
- 1.Be7!
- 1...Rxc6+
- 2.Sxc6#
- 1...Sxd5
- 2.Rxe4#
- 1...Ra1
- 2.Sc2#
- 1...Rb1
- 2.Sc2#
- 1...Rd1
- 2.Sc2#
- 1...Re1
- 2.Sc2#
- 1...Rf1
- 2.Sc2#
- 1...Rg1
- 2.Sc2#
- 1...Rh1
- 2.Sc2#
- 1...Rc2
- 2.Sxc2#
- 1...Rc3
- 2.bxc3#
- 1...Rc4
- 2.Sb3#
- 1...Rc5
- 2.Bxf6#
- 1...Sg4
- 2.Rxe4#
- 1...Sh5
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Se8
- 2.Rxe4#
- 1...Sg8
- 2.Rxe4#
- 1...Rxc6+
- 1.Be7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::S(E)
- R(a);N_GUARD::S(E),XR(a)
- R(a);OGATE::P(A),XR(a)
- R(a);SBLOCK::S(B)
- R(a);SBLOCK::B(H)
- R(a);P_PINB(H),XP(G)::S(E),XR(a)
- S(d);N_GUARD::R1(D),XP(c)
- S(d);N_GUARD,XP(F)::R1(D),XP(c)
- Tries
- Try
- B(H);
- Vars
- R(a);CHECK,XP(G)::S(E),XR(a)
- S(d);N_GUARD,XP(F)::R1(D),XP(c)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD::S(E),XR(a)
- R(a);OGATE::P(A),XR(a)
- R(a);SBLOCK::S(B)
- S(d);N_GUARD::R1(D),XP(c)
- Refutation
- R(a);
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- S(d);::S(B)
- Refutation
- R(a);XR(D)
- Try
- P(G);
- Vars
- S(d);N_GUARD,XP(F)::R1(D),XP(c)
- S(d);N_GUARD::R1(D),XP(c)
- R(a);N_GUARD::S(E),XR(a)
- R(a);OGATE::P(A),XR(a)
- R(a);SBLOCK::S(B)
- R(a);SBLOCK::B(H)
- R(a);N_GUARD,P_PINB(H)::S(E),XR(a)
- Refutation
- R(a);XP(G)
- Try
- Actual
- B(H);
- Vars
- R(a);CHECK,XP(G)::S(E),XR(a)
- S(d);N_GUARD,XP(F)::R1(D),XP(c)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD::S(E),XR(a)
- R(a);OGATE::P(A),XR(a)
- R(a);SBLOCK::S(B)
- R(a);SBLOCK::B(H),XS(d)
- S(d);N_GUARD::R1(D),XP(c)
Developed and maintained by Brian Stephenson.
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