MESON Chess Problem Database
Problem Display
PID: 107854 (4b3/b4B1R/5k2/pr3N2/3N2R1/r1Q1p3/1B1PK3/8 w - - 0 1)
Cabral, Renato
Boletim da UBP, 1965
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Rg6#
- 1...Re5
- Tries
- 1.Rh6+?
- 1...Ke5
- 2.Qc7#
- 1...Kxf7!
- 1...Ke5
- 1.Qxe3?
- threat
- 2.Rg6#
- 2.Qe6#
- 2.Qe7#
- 1...Rxf5
- 2.Rg6#
- 2.Qe6#
- 1...Bxd4
- 2.Qe6#
- 1...Bxf7
- 2.Qe7#
- 1...Re5
- 2.Rg6#
- 1...Rb6
- 2.Rg6#
- 2.Qe7#
- 1...Rb7
- 2.Rg6#
- 2.Qe6#
- 1...Bc5
- 2.Rg6#
- 2.Qe6#
- 1...Bd7
- 2.Rg6#
- 2.Qe7#
- 1...Rxe3+!
- threat
- 1.Qc6+?
- 1...Ke5
- 2.Re4#
- 2.Qd6#
- 2.Qe6#
- 1...Bxc6!
- 1...Ke5
- 1.Qc7?
- threat
- 2.Rg6#
- 2.Rh6#
- 2.Qd6#
- 2.Qe7#
- 1...Rxf5
- 2.Rg6#
- 2.Rh6#
- 2.Qd6#
- 1...Bxf7
- 2.Rxf7#
- 2.Qe7#
- 1...Rd5
- 2.Rg6#
- 2.Rh6#
- 2.Qe7#
- 1...Re5
- 2.Rg6#
- 2.Rh6#
- 1...Rb6
- 2.Rg6#
- 2.Rh6#
- 2.Qe7#
- 1...Rb7
- 2.Rg6#
- 2.Rh6#
- 2.Qd6#
- 1...Bc5
- 2.Rg6#
- 2.Rh6#
- 1...Bb8
- 2.Rg6#
- 2.Rh6#
- 2.Qe7#
- 1...Bd7
- 2.Rg6#
- 1...Bxd4!
- threat
- 1.Rh6+?
- Keys
- 1.Qc8!
- threat
- 2.Qe6#
- 1...Ke5
- 2.Sf3#
- 2.Sc6#
- 2.Qe6#
- 1...Bxf7
- 2.Qh8#
- 1...Re5
- 2.Rg6#
- 1...Rb6
- 2.Sb3#
- 1...Bd7
- 2.Qh8#
- threat
- 1.Qc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(d);SBLOCK::R1(F)
- Tries
- Try
- R(I);CHECK
- Vars
- K(e);S_FLIGHT::QAB(D)
- Refutation
- K(e);P-FLIGHT,XB(H)
- Try
- Q(D);XP(b)
- Threat
- DUALS(3)
- Vars
- B(f);P_SPINB(f),XS(E)::QAR1(D)
- B(g);XB(H)::QAB1(D)
- R(d);P_PINQ(D)::R1(F)
- Refutation
- R(a);CHECK,XQ(D)
- Try
- Q(D);CHECK
- Refutation
- B(g);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(4)
- Vars
- B(g);::R1(F)
- Refutation
- B(f);P_SPINB(f),XS(E)
- Try
- Actual
- Q(D);
- Threat
- QAR1(D)
- Vars
- B(g);OGATE,XB(H)::QAB(D)
- R(d);SBLOCK::R1(F)
- R(d);N_GUARD,S_CUTB(f)::B(A)+S(E)
- B(g);OGATE::QAB(D)
Developed and maintained by Brian Stephenson.
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