MESON Chess Problem Database
Problem Display
PID: 133092 (6Bk/3p3P/3p2pK/7p/3R4/3p4/3p2Q1/B6q w - - 0 1)
Ferron de la Fuente, Ernesto
Problem-Forum, 2008
#2
6 + 8
| 136 | Problem Observer | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qxg2
- 2.Rxd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 2.Rxd6#
- 1...Qh2
- 2.Rf4#
- 1...Qh3
- 2.Rxd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 2.Rxd6#
- 1...Qh4
- 2.Rxh4#
- 1...d1B
- 2.Rxd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 2.Rxd6#
- 1...Qxg2
- Tries
- 1.Qf1?
- threat
- 2.Rxd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 2.Rxd6#
- 2.Qf6#
- 1...d1Q
- 2.Qf6#
- 1...d1S
- 2.Qf6#
- 1...d1R
- 2.Qf6#
- 1...Qf3
- 2.Rf4#
- 1...Qe4
- 2.Rxe4#
- 2.Qf6#
- 1...Qd5
- 2.Rxd5#
- 2.Qf6#
- 1...Qc6
- 2.Rc4#
- 2.Qf6#
- 1...Qb7
- 2.Rb4#
- 2.Qf6#
- 1...Qa8
- 2.Ra4#
- 2.Qf6#
- 1...Qg1
- 2.Qf6#
- 1...Qh2
- 2.Rf4#
- 2.Qf6#
- 1...Qh4
- 2.Rxh4#
- 1...h4
- 2.Rxd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rxh4#
- 2.Rd5#
- 2.Rxd6#
- 2.Qf6#
- 1...d5
- 2.Rxd5#
- 2.Qf6#
- 1...Qxf1!
- threat
- 1.Qf3?
- threat
- 2.Qf6#
- 1...Qxf3
- 2.Rf4#
- 1...Qh4
- 2.Rxh4#
- 1...Qf1!
- threat
- 1.Qf2?
- threat
- 2.Qf6#
- 1...Qf3
- 2.Rf4#
- 1...Qh4
- 2.Rxh4#
- 1...Qf1!
- threat
- 1.Qg5?
- threat
- 2.Qf6#
- 1...Qf3
- 2.Rf4#
- 1...Qh4
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rxh4#
- 1...Qf1!
- threat
- 1.Qxg6?
- threat
- 2.Qf6#
- 2.Qg7#
- 1...Qg2
- 2.Rxd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 2.Rxd6#
- 1...Qf3
- 2.Rf4#
- 2.Qg7#
- 1...Qf1
- 2.Qg7#
- 1...Qh4
- 2.Rxh4#
- 2.Qg7#
- 1...Qg1!
- threat
- 1.Qf1?
- Keys
- 1.Qa8!
- threat
- 2.Bd5#
- 1...Qxa8
- 2.Ra4#
- 1...Qxa1
- 2.Ba2#
- 1...Qf3
- 2.Rf4#
- 1...Qe4
- 2.Rxe4#
- 1...Qd5
- 2.Bxd5#
- 2.Rxd5#
- 1...Qc6
- 2.Rc4#
- 1...Qb7
- 2.Rb4#
- 1...Qb1
- 2.Bb3#
- 1...Qc1
- 2.Bc4#
- 1...Qe1
- 2.Be6#
- 1...Qf1
- 2.Bf7#
- 1...Qh4
- 2.Rxh4#
- 1...d5
- 2.Bxd5#
- 2.Be6#
- 2.Bf7#
- threat
- 1.Qa8!
This is after 2694
After a problem by W Stooss
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 1
- Sets
- Q(a);N_GUARD::B(A)+R(C)
- Q(a);N_GUARD::B(A)+R(C),XQ(a)
- Tries
- Try
- Q(B);
- Threat
- DUALS(11)
- Vars
- P(b);::QAB(B)
- Q(a);::B(A)+R(C)
- Q(a);::QAB(B)
- Q(a);::B(A)+R(C),XQ(a)
- Refutation
- Q(a);XQ(B)
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- Q(a);N_GUARD,XQ(B)::B(A)+R(C)
- Q(a);N_GUARD::B(A)+R(C),XQ(a)
- Refutation
- Q(a);
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- Q(a);N_GUARD::B(A)+R(C)
- Q(a);N_GUARD::B(A)+R(C),XQ(a)
- Refutation
- Q(a);
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- Q(a);N_GUARD::B(A)+R(C)
- Refutation
- Q(a);
- Try
- Q(B);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(B)
- Refutation
- Q(a);
- Try
- Actual
- Q(B);
- Threat
- QAR(B)+B(F)
- Vars
- Q(a);N_GUARD,XQ(B)::B(A)+R(C)
- Q(a);N_GUARD,XB(A)::QAR(B)+B(F)
- Q(a);N_GUARD::B(A)+R(C)
- Q(a);N_GUARD::B(A)+R(C),XQ(a)
- Q(a);N_GUARD::QAR(B)+B(F)
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