MESON Chess Problem Database
Problem Display
PID: 152503 (bQ6/pn1p4/Pn1ppp2/1KN1k2p/2P5/2p1N1P1/2B5/3R4 w - - 0 1)
Ellerman, Arnoldo
Good Companions (December), 1915
#2
9 + 11
| 2658 | Good Companions (Solving Ty.) | 1915 |
SOLUTION
- SOUND
- Sets
- 1...Sa4
- 2.Sxd7#
- 1...Sxc4
- 2.Sxc4#
- 2.Sxd7#
- 1...Sd5
- 2.Sxd7#
- 1...Sc8
- 2.Sxd7#
- 1...Sa5
- 2.Qxd6#
- 1...Sxc5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...h4
- 2.Sg4#
- 1...f5
- 2.Qh8#
- 1...Sa4
- Tries
- 1.Kb4?
- 1...Sxc4
- 2.Sxc4#
- 2.Sxd7#
- 1...Sxc5
- 2.Qxd6#
- 1...f5
- 2.Qh8#
- 1...Sa4
- 2.Sxd7#
- 1...Sc8
- 2.Sxd7#
- 1...Sa5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...h4
- 2.Sg4#
- 1...Sd5+!
- 1...Sxc4
- 1.Sf1?
- 1...Sxc4
- 2.Sxd7#
- 1...Sxc5
- 2.Qxd6#
- 1...f5
- 2.Qh8#
- 1...Sa4
- 2.Sxd7#
- 1...Sd5
- 2.Sxd7#
- 1...Sc8
- 2.Sxd7#
- 1...Sa5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...h4!
- 1...Sxc4
- 1.Sg2?
- 1...Sxc4
- 2.Sxd7#
- 1...Sxc5
- 2.Qxd6#
- 1...f5
- 2.Qh8#
- 1...Sa4
- 2.Sxd7#
- 1...Sd5
- 2.Sxd7#
- 1...Sc8
- 2.Sxd7#
- 1...Sa5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...h4!
- 1...Sxc4
- 1.Sxb7?
- threat
- 2.Qxd6#
- 1...Sxc4
- 2.Sxc4#
- 1...f5
- 2.Qh8#
- 1...Sc8!
- threat
- 1.Bb1?
- 1...Sxc4
- 2.Sxc4#
- 2.Sxd7#
- 1...Sxc5
- 2.Qxd6#
- 1...f5
- 2.Qh8#
- 1...h4
- 2.Sg4#
- 1...Sa4
- 2.Sxd7#
- 1...Sd5
- 2.Sxd7#
- 1...Sc8
- 2.Sxd7#
- 1...Sa5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...c2!
- 1...Sxc4
- 1.Bg6?
- 1...Sxc4
- 2.Sxc4#
- 2.Sxd7#
- 1...Sxc5
- 2.Qxd6#
- 1...f5
- 2.Qh8#
- 1...h4
- 2.Sg4#
- 1...Sa4
- 2.Sxd7#
- 1...Sd5
- 2.Sxd7#
- 1...Sc8
- 2.Sxd7#
- 1...Sa5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...c2!
- 1...Sxc4
- 1.Bh7?
- 1...Sxc4
- 2.Sxc4#
- 2.Sxd7#
- 1...Sxc5
- 2.Qxd6#
- 1...f5
- 2.Qh8#
- 1...h4
- 2.Sg4#
- 1...Sa4
- 2.Sxd7#
- 1...Sd5
- 2.Sxd7#
- 1...Sc8
- 2.Sxd7#
- 1...Sa5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...c2!
- 1...Sxc4
- 1.Rd2?
- 1...Sxc4
- 2.Sxc4#
- 2.Sxd7#
- 1...Sxc5
- 2.Qxd6#
- 1...f5
- 2.Qh8#
- 1...h4
- 2.Sg4#
- 1...Sa4
- 2.Sxd7#
- 1...Sd5
- 2.Sxd7#
- 1...Sc8
- 2.Sxd7#
- 1...Sa5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...cxd2!
- 1...Sxc4
- 1.Rd4?
- threat
- 2.Re4#
- 1...Sxc5
- 2.Qxd6#
- 1...f5
- 2.Qh8#
- 1...Sa5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...Kxd4!
- threat
- 1.Qc7?
- 1...Sxc4
- 2.Sxc4#
- 2.Sxd7#
- 1...Sxc5
- 2.Qxd6#
- 1...h4
- 2.Sg4#
- 1...Sa4
- 2.Sxd7#
- 1...Sd5
- 2.Sxd7#
- 1...Sc8
- 2.Sxd7#
- 1...Sa5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...f5!
- 1...Sxc4
- 1.axb7?
- threat
- 2.Qxd6#
- 1...Sxc4
- 2.Sxc4#
- 2.Sxd7#
- 1...f5
- 2.Qh8#
- 1...Sd5
- 2.Sxd7#
- 1...Sc8
- 2.Sxd7#
- 1...a6+!
- threat
- 1.Kb4?
- Keys
- 1.Sf5!
- threat
- 2.Re1#
- 1...Sxc4
- 2.Sxd7#
- 1...Sxc5
- 2.Qxd6#
- 1...exf5
- 2.Qe8#
- 1...Sd5
- 2.Sxd7#
- 1...Sa5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- S(d);N_GUARD::S(G),XP(j)
- S(i);N_GUARD::QAB1(I),XP(e)
- S(i);N_GUARD,XS(G)::QAB1(I),XP(e)
- P(c);N_GUARD::S(C)
- P(g);OGATEB::QAB(I)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- S(i);N_GUARD,XS(G)::QAB1(I),XP(e)
- P(g);OGATEB::QAB(I)
- S(d);N_GUARD::S(G),XP(j)
- S(i);N_GUARD::QAB1(I),XP(e)
- P(c);N_GUARD::S(C)
- Refutation
- S(d);CHECK
- Try
- S(C);
- Vars
- S(d);N_GUARD,XP(E)::S(G),XP(j)
- S(i);N_GUARD,XS(G)::QAB1(I),XP(e)
- P(g);OGATEB::QAB(I)
- S(d);N_GUARD::S(G),XP(j)
- S(i);N_GUARD::QAB1(I),XP(e)
- Refutation
- P(c);
- Try
- S(C);
- Vars
- S(d);N_GUARD,XP(E)::S(G),XP(j)
- S(i);N_GUARD,XS(G)::QAB1(I),XP(e)
- P(g);OGATEB::QAB(I)
- S(d);N_GUARD::S(G),XP(j)
- S(i);N_GUARD::QAB1(I),XP(e)
- Refutation
- P(c);
- Try
- S(G);XS(i)
- Threat
- QAB1(I),XP(e)
- Vars
- S(d);XP(E)::S(C),XS(d)
- P(g);OGATEB::QAB(I)
- Refutation
- S(d);
- Try
- B(B);
- Vars
- S(i);N_GUARD,XS(G)::QAB1(I),XP(e)
- P(g);OGATEB::QAB(I)
- P(c);N_GUARD::S(C)
- S(d);N_GUARD::S(G),XP(j)
- S(i);N_GUARD::QAB1(I),XP(e)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- S(i);N_GUARD,XS(G)::QAB1(I),XP(e)
- P(g);OGATEB::QAB(I)
- P(c);N_GUARD::S(C)
- S(d);N_GUARD::S(G),XP(j)
- S(i);N_GUARD::QAB1(I),XP(e)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- S(i);N_GUARD,XS(G)::QAB1(I),XP(e)
- P(g);OGATEB::QAB(I)
- P(c);N_GUARD::S(C)
- S(d);N_GUARD::S(G),XP(j)
- S(i);N_GUARD::QAB1(I),XP(e)
- Refutation
- P(a);
- Try
- R(A);
- Vars
- S(i);N_GUARD,XS(G)::QAB1(I),XP(e)
- P(g);OGATEB::QAB(I)
- P(c);N_GUARD::S(C)
- S(d);N_GUARD::S(G),XP(j)
- S(i);N_GUARD::QAB1(I),XP(e)
- Refutation
- P(a);XR(A)
- Try
- R(A);
- Threat
- R1(A)
- Vars
- S(i);N_GUARD,XS(G)::QAB1(I),XP(e)
- P(g);OGATEB::QAB(I)
- S(i);N_GUARD::QAB1(I),XP(e)
- Refutation
- K(b);N_SPINP(e),S_FLIGHT,XR(A)
- Try
- Q(I);
- Vars
- S(i);N_GUARD,XS(G)::QAB1(I),XP(e)
- P(c);N_GUARD::S(C)
- S(d);N_GUARD::S(G),XP(j)
- S(i);N_GUARD::QAB1(I),XP(e)
- Refutation
- P(g);
- Try
- P(H);XS(i)
- Threat
- QAB1(I),XP(e)
- Vars
- P(g);OGATEB::QAB(I)
- S(d);N_GUARD::S(G),XP(j)
- Refutation
- P(h);CHECK
- Try
- Actual
- S(C);
- Threat
- R(A)
- Vars
- S(d);N_GUARD,XP(E)::S(G),XP(j)
- S(i);N_GUARD,XS(G)::QAB1(I),XP(e)
- P(f);OGATEB,XS(C)::QAR(I)
- S(d);N_GUARD::S(G),XP(j)
- S(i);N_GUARD::QAB1(I),XP(e)
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