MESON Chess Problem Database
Problem Display
PID: 74355 (8/7p/5Kp1/3P4/1Np2kpN/2nPR2p/5BPb/3B4 w - - 0 1)
Armeni, Alberto
3rd Prize, Problem Observer, 2007
#2
9 + 8
| 136 | Problem Observer | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.g3#
- 1...Sb1
- 2.Re4#
- 1...Sxd1
- 2.Re4#
- 1...Sa2
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Sa4
- 2.Re4#
- 1...Se4+
- 2.Rxe4#
- 1...Sb5
- 2.Re4#
- 1...Sxd5+
- 2.Sxd5#
- 1...hxg2
- 2.Sxg2#
- 1...cxd3
- 2.Sxd3#
- 1...h5
- 2.Sxg6#
- 1...h6
- 2.Sxg6#
- 1...Bg1
- Tries
- 1.Re6?
- 1...Se4+
- 2.Rxe4#
- 1...Sxd5+
- 2.Sxd5#
- 1...Sxd1
- 2.Re4#
- 1...hxg2
- 2.Sxg2#
- 1...cxd3
- 2.Sxd3#
- 1...Bg3
- 2.Be3#
- 1...Bg1
- 2.g3#
- 1...Sb1
- 2.Re4#
- 1...Sa2
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Sa4
- 2.Re4#
- 1...Sb5
- 2.Re4#
- 1...g3
- 2.Be3#
- 1...h5
- 2.Sxg6#
- 1...h6
- 2.Sxg6#
- 1...g5!
- 1...Se4+
- 1.Re7?
- 1...Se4+
- 2.Rxe4#
- 1...Sxd5+
- 2.Sxd5#
- 1...Sxd1
- 2.Re4#
- 1...hxg2
- 2.Sxg2#
- 1...cxd3
- 2.Sxd3#
- 1...Bg3
- 2.Be3#
- 1...Bg1
- 2.g3#
- 1...Sb1
- 2.Re4#
- 1...Sa2
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Sa4
- 2.Re4#
- 1...Sb5
- 2.Re4#
- 1...g3
- 2.Be3#
- 1...h5
- 2.Sxg6#
- 1...h6
- 2.Sxg6#
- 1...g5!
- 1...Se4+
- 1.Re8?
- 1...Se4+
- 2.Rxe4#
- 1...Sxd5+
- 2.Sxd5#
- 1...Sxd1
- 2.Re4#
- 1...hxg2
- 2.Sxg2#
- 1...cxd3
- 2.Sxd3#
- 1...Bg3
- 2.Be3#
- 1...Bg1
- 2.g3#
- 1...Sb1
- 2.Re4#
- 1...Sa2
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Sa4
- 2.Re4#
- 1...Sb5
- 2.Re4#
- 1...g3
- 2.Be3#
- 1...h5
- 2.Sxg6#
- 1...h6
- 2.Sxg6#
- 1...g5!
- 1...Se4+
- 1.gxh3?
- threat
- 2.Sg2#
- 1...Se4+
- 2.Rxe4#
- 1...Sxd5+
- 2.Sxd5#
- 1...gxh3!
- threat
- 1.dxc4?
- threat
- 2.Sd3#
- 1...Sxd5+
- 2.Sxd5#
- 1...Se4+!
- threat
- 1.Re6?
- Keys
- 1.Re5!
- 1...Se4+
- 2.Rxe4#
- 1...Sxd5+
- 2.Sxd5#
- 1...Sxd1
- 2.Re4#
- 1...hxg2
- 2.Sxg2#
- 1...cxd3
- 2.Sxd3#
- 1...Bg3
- 2.Be3#
- 1...Bg1
- 2.g3#
- 1...Sb1
- 2.Re4#
- 1...Sa2
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Sa4
- 2.Re4#
- 1...Sb5
- 2.Re4#
- 1...g3
- 2.Be3#
- 1...g5
- 2.Rf5#
- 1...h5
- 2.Sxg6#
- 1...h6
- 2.Sxg6#
- 1...Se4+
- 1.Re5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::P(C)
- S(b);N_GUARD::R1(E)
- S(b);N_GUARD,XB(A)::R1(E)
- S(b);CHECK,N_GUARD::R1(E),XS(b)
- S(b);CHECK,XP(H)::S(F),XS(b)
- P(c);XP(C)::S(G),XP(c)
- P(d);XP(D)::S(F),XP(d)
- P(h);N_GUARD::S(G),XP(g)
- Tries
- Try
- R(E);
- Vars
- S(b);CHECK,N_GUARD::R1(E),XS(b)
- S(b);CHECK,XP(H)::S(F),XS(b)
- S(b);N_GUARD,XB(A)::R1(E)
- P(c);XP(C)::S(G),XP(c)
- P(d);XP(D)::S(F),XP(d)
- B(a);SBLOCK::B(B)
- B(a);N_GUARD::P(C)
- S(b);N_GUARD::R1(E)
- P(f);SBLOCK::B(B)
- P(h);N_GUARD::S(G),XP(g)
- Refutation
- P(g);
- Try
- R(E);
- Vars
- S(b);CHECK,N_GUARD::R1(E),XS(b)
- S(b);CHECK,XP(H)::S(F),XS(b)
- S(b);N_GUARD,XB(A)::R1(E)
- P(c);XP(C)::S(G),XP(c)
- P(d);XP(D)::S(F),XP(d)
- B(a);SBLOCK::B(B)
- B(a);N_GUARD::P(C)
- S(b);N_GUARD::R1(E)
- P(f);SBLOCK::B(B)
- P(h);N_GUARD::S(G),XP(g)
- Refutation
- P(g);
- Try
- R(E);
- Vars
- S(b);CHECK,N_GUARD::R1(E),XS(b)
- S(b);CHECK,XP(H)::S(F),XS(b)
- S(b);N_GUARD,XB(A)::R1(E)
- P(c);XP(C)::S(G),XP(c)
- P(d);XP(D)::S(F),XP(d)
- B(a);SBLOCK::B(B)
- B(a);N_GUARD::P(C)
- S(b);N_GUARD::R1(E)
- P(f);SBLOCK::B(B)
- P(h);N_GUARD::S(G),XP(g)
- Refutation
- P(g);
- Try
- P(C);XP(c)
- Threat
- S(G)
- Vars
- S(b);CHECK,N_GUARD::R1(E),XS(b)
- S(b);CHECK,XP(H)::S(F),XS(b)
- Refutation
- P(f);XP(C)
- Try
- P(D);XP(d)
- Threat
- S(F)
- Vars
- S(b);CHECK,XP(H)::S(F),XS(b)
- Refutation
- S(b);CHECK
- Try
- Actual
- R(E);
- Vars
- S(b);CHECK,N_GUARD::R1(E),XS(b)
- S(b);CHECK,XP(H)::S(F),XS(b)
- S(b);N_GUARD,XB(A)::R1(E)
- P(c);XP(C)::S(G),XP(c)
- P(d);XP(D)::S(F),XP(d)
- B(a);SBLOCK::B(B)
- B(a);N_GUARD::P(C)
- S(b);N_GUARD::R1(E)
- P(f);SBLOCK::B(B)
- P(g);N_GUARD::R1(E)
- P(h);N_GUARD::S(G),XP(g)
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