MESON Chess Problem Database
Problem Display
PID: 179979 (6r1/4rpRB/2NPRB2/Q7/2k5/P7/n1P5/1bn4K w - - 0 1)
Gross, Erwin
Deutsche Schachzeitung, 1967
#2
10 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Re4#
- 1...Rb7
- 2.Re4#
- 1...Rc7
- 2.Re4#
- 1...Rd7
- 2.Re4#
- 1...Ra8
- 2.Rg4#
- 1...Rb8
- 2.Rg4#
- 1...Rc8
- 2.Rg4#
- 1...Rd8
- 2.Rg4#
- 1...Re8
- 2.Rg4#
- 1...Rf8
- 2.Rg4#
- 1...Rh8
- 2.Rg4#
- 1...Se2
- 2.Bd3#
- 1...Sb3
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Ra7
- Tries
- 1.Sa7?
- threat
- 2.Qb5#
- 1...Rxa7
- 2.Re4#
- 1...Rb7
- 2.Re4#
- 1...Rb8
- 2.Rg4#
- 1...Sc3!
- threat
- 1.Sxe7?
- threat
- 2.Re4#
- 2.Qd5#
- 1...Bxc2
- 2.Qd5#
- 1...Se2
- 2.Bd3#
- 2.Qd5#
- 1...Sb3
- 2.Bd3#
- 2.Qd5#
- 1...Sc3
- 2.Qb4#
- 1...Sb4
- 2.Re4#
- 2.Qxb4#
- 1...fxe6!
- threat
- 1.Bd4?
- threat
- 2.Qc5#
- 1...Sb3
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Bxc2!
- threat
- 1.Rg5?
- threat
- 2.Rc5#
- 2.Qb5#
- 2.Qc5#
- 2.Qd5#
- 2.Qa6#
- 1...Bxc2
- 2.Qb5#
- 2.Qd5#
- 1...fxe6
- 2.Rc5#
- 2.Qb5#
- 2.Qc5#
- 2.Qa6#
- 1...Sc3
- 2.Rc5#
- 2.Qxc3#
- 2.Qb4#
- 2.Qc5#
- 1...Ra7
- 2.Rc5#
- 2.Re4#
- 2.Qb5#
- 2.Qc5#
- 2.Qd5#
- 1...Rb7
- 2.Rc5#
- 2.Re4#
- 2.Qc5#
- 2.Qd5#
- 1...Ra8
- 2.Rg4#
- 2.Rc5#
- 2.Qb5#
- 2.Qc5#
- 2.Qd5#
- 1...Rb8
- 2.Rg4#
- 2.Rc5#
- 2.Qc5#
- 2.Qd5#
- 1...Sb3
- 2.Bd3#
- 2.Qb5#
- 2.Qd5#
- 2.Qa6#
- 1...Sd3
- 2.Bxd3#
- 2.Qb5#
- 2.Qd5#
- 2.Qa6#
- 1...Sb4
- 2.Rc5#
- 2.Qxb4#
- 2.Qb5#
- 2.Qc5#
- 1...Rxg5!
- threat
- 1.Qe5?
- threat
- 2.Sa5#
- 1...Ra8
- 2.Rg4#
- 1...Sb3
- 2.Bd3#
- 1...Ra7!
- threat
- 1.Qf5?
- threat
- 2.Sa5#
- 1...Ra7
- 2.Re4#
- 1...Ra8
- 2.Rg4#
- 1...Sb3!
- threat
- 1.Qg5?
- threat
- 2.Sa5#
- 1...Ra7
- 2.Re4#
- 1...Sb3
- 2.Bd3#
- 1...Ra8!
- threat
- 1.a4?
- threat
- 2.Qb5#
- 1...Rb7
- 2.Re4#
- 1...Rb8
- 2.Rg4#
- 1...Sc3!
- threat
- 1.Sa7?
- Keys
- 1.Qh5!
- threat
- 2.Sa5#
- 1...Ra7
- 2.Re4#
- 1...Ra8
- 2.Rg4#
- 1...Sb3
- 2.Bd3#
- threat
- 1.Qh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- R(e);N_GUARD::R(G)
- R(g);N_GUARD::R(I)
- R(g);N_GUARD,P_PINB(J)::R(I)
- S(b);N_GUARD::B(J)
- S(b);N_GUARD::B(J),XS(b)
- Tries
- Try
- S(E);
- Threat
- QAB1(D)
- Vars
- R(e);N_GUARD,XS(E)::R(G)
- R(e);N_GUARD::R(G)
- R(g);N_GUARD::R(I)
- Refutation
- S(c);
- Try
- S(E);XR(e)
- Threat
- DUALS(2)
- Vars
- B(a);XP(B)::QAB1(D)
- S(c);N_GUARD::QAR1(D)
- Refutation
- P(f);XR(G)
- Try
- B(H);
- Threat
- QAR1(D)
- Vars
- S(b);N_GUARD::B(J)
- S(b);N_GUARD::B(J),XS(b)
- Refutation
- B(a);XP(B)
- Try
- R(I);
- Threat
- DUALS(5)
- Refutation
- R(g);XR(I)
- Try
- Q(D);
- Threat
- S(E)
- Vars
- R(g);N_GUARD::R(I)
- S(b);N_GUARD::B(J)
- Refutation
- R(e);
- Try
- Q(D);
- Threat
- S(E)
- Vars
- R(e);N_GUARD::R(G)
- R(g);N_GUARD::R(I)
- Refutation
- S(b);
- Try
- Q(D);
- Threat
- S(E)
- Vars
- R(e);N_GUARD::R(G)
- S(b);N_GUARD::B(J)
- Refutation
- R(g);
- Try
- P(C);
- Threat
- QAB1(D)
- Vars
- R(e);N_GUARD::R(G)
- R(g);N_GUARD::R(I)
- Refutation
- S(c);
- Try
- Actual
- Q(D);
- Threat
- S(E)
- Vars
- R(e);N_GUARD::R(G)
- R(g);N_GUARD::R(I)
- S(b);N_GUARD::B(J)
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