MESON Chess Problem Database
Problem Display
PID: 21009 (5n2/B1nqp3/2r4r/2bkPbNp/1pN1p3/1B6/3PR3/6QK w - - 0 1)
Paluzie y Lucena, Jozefo
Good Companions (January), 1915
#2
9 + 12
| 3132 | The Good Companion Two-Mover | 1922 |
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Qxc5#
- 1...Rcd6
- 2.Qxc5#
- 1...Rce6
- 2.Qxc5#
- 1...Rcf6
- 2.Qxc5#
- 1...Rcg6
- 2.Qxc5#
- 1...Bd4
- 2.Qxd4#
- 1...Bd6
- 2.Qd4#
- 1...Ra6
- Tries
- 1.Rxe4?
- threat
- 2.Sb2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 2.Sd6#
- 1...Bxg1
- 2.Se3#
- 1...Bxa7
- 2.Sb6#
- 1...Ra6
- 2.Sa5#
- 2.Qxc5#
- 1...Rb6
- 2.Sa5#
- 1...Rcd6
- 2.Sa5#
- 2.Qxc5#
- 1...Rce6
- 2.Sa5#
- 2.Qxc5#
- 1...Rcf6
- 2.Sa5#
- 2.Qxc5#
- 1...Rcg6
- 2.Sa5#
- 2.Qxc5#
- 1...Qd6
- 2.Sb2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- 1...Rhd6
- 2.Sb2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- 1...Bf2
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Bd4
- 2.Se3#
- 2.Rxd4#
- 2.Qxd4#
- 1...Bb6
- 2.Sxb6#
- 1...Bd6
- 2.Se3#
- 2.Sb6#
- 2.Rd4#
- 2.Qd4#
- 1...Bxe4+!
- threat
- 1.d4?
- threat
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sa5#
- 2.Sb6#
- 2.Sd6#
- 1...Bxd4
- 2.Qxd4#
- 1...Bxa7
- 2.Sb6#
- 1...Ra6
- 2.Sa5#
- 1...Rb6
- 2.Sa5#
- 1...Rcd6
- 2.Sa5#
- 1...Rce6
- 2.Sa5#
- 1...Rcf6
- 2.Sa5#
- 1...Rcg6
- 2.Sa5#
- 1...Qd6
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- 1...Rhd6
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- 1...Bb6
- 2.Sxb6#
- 1...Bd6
- 2.Se3#
- 2.Sb6#
- 1...e3!
- threat
- 1.Rxe4?
- Keys
- 1.Sf3!
- threat
- 2.Sb2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 2.Sd6#
- 1...Ke6
- 2.Qg8#
- 1...Bxg1
- 2.Se3#
- 1...Bxa7
- 2.Sb6#
- 1...exf3
- 2.Sb2#
- 2.Sa3#
- 2.Sa5#
- 2.Sb6#
- 2.Sd6#
- 1...Ra6
- 2.Sa5#
- 1...Rb6
- 2.Sa5#
- 1...Rcd6
- 2.Sa5#
- 1...Rcf6
- 2.Sa5#
- 1...Rcg6
- 2.Sa5#
- 1...e3
- 2.Sd6#
- 1...Qd6
- 2.Sb2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- 1...Rce6
- 2.Sa5#
- 2.Qxc5#
- 1...Rhd6
- 2.Sb2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- 1...Bf2
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Bd4
- 2.Se3#
- 1...Bb6
- 2.Sxb6#
- 1...Bd6
- 2.Se3#
- 2.Sb6#
- threat
- 1.Sf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 8
- REMOVED MATES = 2
- Sets
- R(g);N_GUARD::QAR1(A),XB(c)
- B(c);N_GUARD::QAR1(A),XB(c)
- B(c);N_GUARD::QAR1(A)
- Tries
- Try
- R(D);XP(b)
- Threat
- DUALS(6)
- Vars
- B(c);XQ(A)::B(E)+S(F),DCHECK
- B(c);XB(I)::B(E)+S(F),DCHECK
- R(g);::B(E)+S(F)
- B(c);::B(E)+S(F),DCHECK
- B(c);::B(E)+S(F),DCHECK,XB(c)
- Refutation
- B(e);CHECK,XR(D)
- Try
- P(C);
- Threat
- DUALS(6)
- Vars
- B(c);OGATE,XP(C)::QAR1(A),XB(c)
- B(c);XB(I)::B(E)+S(F),DCHECK
- R(g);::B(E)+S(F)
- B(c);::B(E)+S(F),DCHECK,XB(c)
- Refutation
- P(b);
- Try
- Actual
- S(H);
- Threat
- DUALS(6)
- Vars
- K(d);S_FLIGHT::QAB(A)
- B(c);XQ(A)::B(E)+S(F),DCHECK
- B(c);XB(I)::B(E)+S(F),DCHECK
- R(g);::B(E)+S(F)
- P(b);::B(E)+S(F)
- B(c);::B(E)+S(F),DCHECK
- B(c);::B(E)+S(F),DCHECK,XB(c)
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