MESON Chess Problem Database
Problem Display
PID: 6308 (1n2B3/1P2R2b/2p2p1B/3p1k1K/4p3/pQ3p2/P4bN1/8 w - - 0 1)
Slobodian, O
Revista de Sah, 1928
#2
8 + 10
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Se3#
- 1...Bg1
- 2.Sh4#
- 1...Be3
- 2.Sxe3#
- 2.Sh4#
- 1...Bg3
- 2.Se3#
- 1...Bd4
- 2.Sh4#
- 1...Bh4
- 2.Se3#
- 2.Sxh4#
- 1...Bc5
- 2.Sh4#
- 1...Bb6
- 2.Sh4#
- 1...Ba7
- 2.Sh4#
- 1...Bg6+
- 2.Bxg6#
- 1...Bg8
- 2.Bg6#
- 1...Sa6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...fxg2
- 2.Qh3#
- 1...e3
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 1...d4
- 2.Qe6#
- 1...c5
- 2.Qxd5#
- 1...Be1
- Tries
- 1.Bg5?
- 1...Bg6+
- 2.Bxg6#
- 1...fxg2
- 2.Qh3#
- 1...Be1
- 2.Se3#
- 1...Bg1
- 2.Sh4#
- 1...Be3
- 2.Sxe3#
- 2.Sh4#
- 1...Bg3
- 2.Se3#
- 1...Bd4
- 2.Sh4#
- 1...Bh4
- 2.Se3#
- 2.Sxh4#
- 1...Bc5
- 2.Sh4#
- 1...Bb6
- 2.Sh4#
- 1...Ba7
- 2.Sh4#
- 1...Bg8
- 2.Bg6#
- 1...Sa6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...e3
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 1...d4
- 2.Qe6#
- 1...c5
- 2.Qxd5#
- 1...fxg5!
- 1...Bg6+
- 1.Qd1?
- 1...Bg6+
- 2.Bxg6#
- 1...fxg2
- 2.Qg4#
- 1...Be1
- 2.Se3#
- 1...Bg1
- 2.Sh4#
- 1...Be3
- 2.Sxe3#
- 2.Sh4#
- 1...Bg3
- 2.Se3#
- 1...Bd4
- 2.Sh4#
- 1...Bh4
- 2.Se3#
- 2.Sxh4#
- 1...Bc5
- 2.Sh4#
- 1...Bb6
- 2.Sh4#
- 1...Ba7
- 2.Sh4#
- 1...Bg8
- 2.Bg6#
- 1...Sa6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...e3
- 2.Qc2#
- 2.Qxf3#
- 2.Qb1#
- 2.Qd3#
- 1...c5
- 2.Qxd5#
- 1...d4!
- 1...Bg6+
- 1.Qc2?
- 1...Bg6+
- 2.Bxg6#
- 1...fxg2
- 2.Qxf2#
- 1...Be1
- 2.Se3#
- 1...Bg1
- 2.Sh4#
- 1...Be3
- 2.Sxe3#
- 2.Sh4#
- 1...Bg3
- 2.Se3#
- 1...Bd4
- 2.Sh4#
- 1...Bh4
- 2.Se3#
- 2.Sxh4#
- 1...Bc5
- 2.Sh4#
- 1...Bb6
- 2.Sh4#
- 1...Ba7
- 2.Sh4#
- 1...Bg8
- 2.Bg6#
- 1...Sa6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...d4
- 2.Qxe4#
- 2.Qc5#
- 1...c5!
- 1...Bg6+
- 1.Qxa3?
- 1...Bg6+
- 2.Bxg6#
- 1...fxg2
- 2.Qh3#
- 1...Be1
- 2.Se3#
- 1...Bg1
- 2.Sh4#
- 1...Be3
- 2.Sxe3#
- 2.Sh4#
- 1...Bg3
- 2.Se3#
- 1...Bd4
- 2.Sh4#
- 1...Bh4
- 2.Se3#
- 2.Sxh4#
- 1...Bc5
- 2.Sh4#
- 1...Bb6
- 2.Sh4#
- 1...Ba7
- 2.Sh4#
- 1...Bg8
- 2.Bg6#
- 1...Sa6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...e3
- 2.Qd3#
- 1...d4
- 2.Qc5#
- 1...c5!
- 1...Bg6+
- 1.Qc3?
- 1...Bg6+
- 2.Bxg6#
- 1...fxg2
- 2.Qh3#
- 1...Be1
- 2.Se3#
- 1...Bg1
- 2.Sh4#
- 1...Be3
- 2.Sxe3#
- 2.Sh4#
- 1...Bg3
- 2.Se3#
- 1...Bd4
- 2.Sh4#
- 1...Bh4
- 2.Se3#
- 2.Sxh4#
- 1...Bc5
- 2.Sh4#
- 1...Bb6
- 2.Sh4#
- 1...Ba7
- 2.Sh4#
- 1...Bg8
- 2.Bg6#
- 1...Sa6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...e3
- 2.Qc2#
- 2.Qd3#
- 1...d4
- 2.Qc5#
- 1...c5!
- 1...Bg6+
- 1.Qd3?
- 1...Bg6+
- 2.Bxg6#
- 1...fxg2
- 2.Qh3#
- 1...Be1
- 2.Se3#
- 1...Bg1
- 2.Sh4#
- 1...Be3
- 2.Sxe3#
- 2.Sh4#
- 1...Bg3
- 2.Se3#
- 1...Bd4
- 2.Sh4#
- 1...Bh4
- 2.Se3#
- 2.Sxh4#
- 1...Bc5
- 2.Sh4#
- 1...Bb6
- 2.Sh4#
- 1...Ba7
- 2.Sh4#
- 1...Bg8
- 2.Bg6#
- 1...Sa6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...d4
- 2.Qxe4#
- 1...c5
- 2.Qxd5#
- 1...exd3!
- 1...Bg6+
- 1.Qe3?
- threat
- 2.Qf4#
- 1...Bg6+
- 2.Bxg6#
- 1...Bxe3
- 2.Sxe3#
- 2.Sh4#
- 1...Bg3!
- threat
- 1.Bg5?
- Keys
- 1.Qb6!
- 1...Bg6+
- 2.Bxg6#
- 1...Bxb6
- 2.Sh4#
- 1...fxg2
- 2.Qxf2#
- 1...Be1
- 2.Se3#
- 1...Bg1
- 2.Sh4#
- 1...Be3
- 2.Sxe3#
- 2.Sh4#
- 1...Bg3
- 2.Se3#
- 1...Bd4
- 2.Sh4#
- 1...Bh4
- 2.Se3#
- 2.Sxh4#
- 1...Bc5
- 2.Sh4#
- 1...Bg8
- 2.Bg6#
- 1...Sa6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...e3
- 2.Qb1#
- 1...d4
- 2.Qc5#
- 1...c5
- 2.Qe6#
- 1...Bg6+
- 1.Qb6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(a);N_GUARD::S(B)
- B(i);CHECK,N_GUARD::B(H),XB(i)
- B(i);N_GUARD::B(H)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
- P(c);OGATE,XS(B)::QAB(C)
- P(e);OGATE::QAB1(C)
- P(g);N_GUARD::QAR2(C),XP(e)
- Tries
- Try
- B(E);
- Vars
- B(i);CHECK,N_GUARD::B(H),XB(i)
- P(c);OGATE,XS(B)::QAB(C)
- B(a);N_GUARD::S(B)
- B(i);N_GUARD::B(H)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
- P(e);OGATE::QAB1(C)
- P(g);N_GUARD::QAR2(C),XP(e)
- Refutation
- P(h);XB(E)
- Try
- Q(C);
- Vars
- B(i);CHECK,N_GUARD::B(H),XB(i)
- P(c);OGATE,XS(B)::QAB1(C)
- B(a);N_GUARD::S(B)
- B(i);N_GUARD::B(H)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
- P(g);N_GUARD::QAR2(C),XP(e)
- Refutation
- P(e);
- Try
- Q(C);P_PINP(d)
- Vars
- B(i);CHECK,N_GUARD::B(H),XB(i)
- P(c);OGATEB,XS(B)::QAR(C),XB(a)
- B(a);N_GUARD::S(B)
- B(i);N_GUARD::B(H)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
- Refutation
- P(g);
- Try
- Q(C);XP(b)
- Vars
- B(i);CHECK,N_GUARD::B(H),XB(i)
- P(c);OGATE,XS(B)::QAB(C)
- B(a);N_GUARD::S(B)
- B(i);N_GUARD::B(H)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
- P(d);OGATEB::QAB(C)
- P(e);OGATEB::QAR(C)
- Refutation
- P(g);
- Try
- Q(C);
- Vars
- B(i);CHECK,N_GUARD::B(H),XB(i)
- P(c);OGATE,XS(B)::QAB(C)
- B(a);N_GUARD::S(B)
- B(i);N_GUARD::B(H)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
- P(e);OGATEB::QAR(C)
- Refutation
- P(g);
- Try
- Q(C);P_PINP(d)
- Vars
- B(i);CHECK,N_GUARD::B(H),XB(i)
- P(c);OGATE,XS(B)::QAB(C)
- B(a);N_GUARD::S(B)
- B(i);N_GUARD::B(H)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
- P(e);N_GUARD::QAB1(C),XP(d)
- P(g);N_GUARD::QAR2(C),XP(e)
- Refutation
- P(d);N_SPINP(d),XQ(C)
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- B(i);CHECK,N_GUARD::B(H),XB(i)
- Refutation
- B(a);
- Try
- Actual
- Q(C);
- Vars
- B(i);CHECK,N_GUARD::B(H),XB(i)
- B(a);N_GUARD,XQ(C)::S(B)
- P(c);OGATEB,XS(B)::QAR(C),XB(a)
- B(a);N_GUARD::S(B)
- B(i);N_GUARD::B(H)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
- P(d);OGATEB::QAB(C)
- P(e);OGATEB::QAR(C)
- P(g);OGATE::QAB1(C)
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