MESON Chess Problem Database
Problem Display
PID: 51812 (8/6p1/2p3Rb/2p4Q/2K2k2/3P3p/5n2/4NN2 w - - 0 1)
Promislo, Charles
2nd Prize, Good Companions (December), 1914
#2
6 + 7
| 3132 | The Good Companion Two-Mover | 1922 |
| 5064 | 100 Years of the American Two-move Chess Problem | 1962 |
SOLUTION
- SOUND
- Sets
- 1...Bg5
- 2.Qxg5#
- 1...Sd1
- 2.Rg4#
- 1...Sh1
- 2.Rg4#
- 1...Sxd3
- 2.Rg4#
- 1...Se4
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...h2
- 2.Sg2#
- 1...Bg5
- Tries
- 1.Kb3?
- 1...Sxd3
- 2.Rg4#
- 1...Bg5
- 2.Qxg5#
- 1...Sd1
- 2.Rg4#
- 1...Sh1
- 2.Rg4#
- 1...Se4
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...h2
- 2.Sg2#
- 1...c4+!
- 1...Sxd3
- 1.Rg2?
- threat
- 2.Rxf2#
- 1...Sxd3
- 2.Rg4#
- 1...hxg2
- 2.Sxg2#
- 1...Bg5
- 2.Qxg5#
- 1...Sd1
- 2.Rg4#
- 1...Sh1
- 2.Rg4#
- 1...Se4
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...g5!
- threat
- 1.Rg3?
- threat
- 2.Rf3#
- 1...Sxd3
- 2.Rg4#
- 1...Bg5
- 2.Qxg5#
- 1...g5!
- threat
- 1.Rxg7?
- threat
- 2.Rf7#
- 1...Sxd3
- 2.Rg4#
- 1...Bg5
- 2.Qxg5#
- 1...Se4
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...Bxg7!
- threat
- 1.Qg4+?
- 1...Ke5
- 2.Sf3#
- 2.Re6#
- 1...Sxg4!
- 1...Ke5
- 1.Qd5?
- 1...Sxd3
- 2.Sxd3#
- 1...Bg5
- 2.Qxg5#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...h2
- 2.Sg2#
- 1...cxd5+!
- 1...Sxd3
- 1.Qxh6+?
- 1...Ke5
- 2.Qg5#
- 1...Kf5
- 2.Qg5#
- 1...gxh6!
- 1...Ke5
- 1.d4?
- threat
- 2.Qf3#
- 2.Qe5#
- 1...Ke4
- 2.Qf3#
- 2.Qe5#
- 1...Bg5
- 2.Qf3#
- 1...Sd3
- 2.Rg4#
- 2.Qf3#
- 2.Qg4#
- 1...Sg4
- 2.Rxg4#
- 2.Qxg4#
- 1...cxd4!
- threat
- 1.Kb3?
- Keys
- 1.Re6!
- 1...Sxd3
- 2.Sxd3#
- 1...Bg5
- 2.Qf3#
- 1...g5
- 2.Qf3#
- 1...g6
- 2.Rf6#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...h2
- 2.Sg2#
- 1...Sxd3
- 1.Re6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(f);N_GUARD::QAB1(E),XB(f)
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD,XP(C)::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- P(b);N_GUARD::S(A)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- S(a);N_GUARD,XP(C)::R1(F)
- B(f);N_GUARD::QAB1(E),XB(f)
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- P(b);N_GUARD::S(A)
- Refutation
- P(d);CHECK
- Try
- R(F);
- Threat
- R(F),XS(a)
- Vars
- S(a);N_GUARD,XP(C)::R1(F)
- P(b);XR(F)::S(A),XP(b)
- B(f);N_GUARD::QAB1(E),XB(f)
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- Refutation
- P(g);
- Try
- R(F);
- Threat
- R1(F)
- Vars
- S(a);N_GUARD,XP(C)::R1(F)
- B(f);N_GUARD::QAB1(E),XB(f)
- Refutation
- P(g);
- Try
- R(F);XP(g)
- Threat
- R(F)
- Vars
- S(a);N_GUARD,XP(C)::R1(F)
- B(f);N_GUARD::QAB1(E),XB(f)
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- Refutation
- B(f);XR(F)
- Try
- Q(E);CHECK
- Refutation
- S(a);XQ(E)
- Try
- Q(E);
- Vars
- S(a);XP(C)::S(A),XS(a)
- B(f);N_GUARD::QAB1(E),XB(f)
- S(a);N_GUARD::QAR1(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- P(b);N_GUARD::S(A)
- Refutation
- P(e);CHECK,XQ(E)
- Try
- Q(E);CHECK,XB(f)
- Vars
- K(c);S_FLIGHT::QAR2(E)
- K(c);P-FLIGHT::QAR1(E)
- Refutation
- P(g);XQ(E)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- B(f);::QAR1(E)
- Refutation
- P(d);XP(C)
- Try
- Actual
- R(F);
- Vars
- S(a);XP(C)::S(A),XS(a)
- B(f);SBLOCK::QAR1(E)
- P(g);SBLOCK::QAR1(E)
- P(g);N_GUARD::R(F)
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- P(b);N_GUARD::S(A)
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