MESON Chess Problem Database
Problem Display
PID: 261216 (8/1n6/8/1n4R1/r1k4P/P2NKp2/1BP1b3/4Q3 w - - 0 1)
Grob, Rudolf
Neue Zurcher Zeitung, 1894
#2
8 + 6
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxa3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Ra5
- 2.Qb4#
- 1...Ra6
- 2.Qb4#
- 1...Ra7
- 2.Qb4#
- 1...Ra8
- 2.Qb4#
- 1...Sxa3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sd4
- 2.Qc3#
- 1...S5d6
- 2.Qc3#
- 1...Sa7
- 2.Qc3#
- 1...Sc7
- 2.Qc3#
- 1...Sa5
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...S7d6
- 2.Rc5#
- 1...Sd8
- 2.Rc5#
- 1...Rxa3
- Tries
- 1.Kf4?
- 1...Rxa3
- 2.Qb4#
- 1...Bxd3
- 2.Qe6#
- 1...Sxa3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Rb4
- 2.Qxb4#
- 1...Ra5
- 2.Qb4#
- 1...Ra6
- 2.Qb4#
- 1...Ra7
- 2.Qb4#
- 1...Ra8
- 2.Qb4#
- 1...Bd1
- 2.Qe6#
- 1...Bf1
- 2.Qe6#
- 1...Sd4
- 2.Qc3#
- 1...S5d6
- 2.Qc3#
- 1...Sa7
- 2.Qc3#
- 1...Sc7
- 2.Qc3#
- 1...Sa5
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...S7d6
- 2.Rc5#
- 1...Sd8
- 2.Rc5#
- 1...f2!
- 1...Rxa3
- 1.Ba1?
- threat
- 2.Sb2#
- 1...Rxa3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Bxd3!
- threat
- 1.Bc1?
- threat
- 2.Sb2#
- 1...Rxa3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Bxd3!
- threat
- 1.Bd4?
- threat
- 2.Sb2#
- 1...Rxa3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Bxd3!
- threat
- 1.Bf6?
- threat
- 2.Sb2#
- 1...Rxa3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Bxd3!
- threat
- 1.Bg7?
- threat
- 2.Sb2#
- 1...Rxa3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Bxd3!
- threat
- 1.Bh8?
- threat
- 2.Sb2#
- 1...Rxa3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Bxd3!
- threat
- 1.Qa5?
- threat
- 2.Qxa4#
- 2.Qxb5#
- 1...Rxa3
- 2.Qb4#
- 2.Qxb5#
- 1...Sxa3
- 2.Se5#
- 2.Rg4#
- 2.Qc3#
- 2.Qxa4#
- 2.Qd5#
- 1...Sxa5
- 2.Rc5#
- 1...Rb4
- 2.Qxb4#
- 1...Sc3
- 2.Se5#
- 2.Qxc3#
- 1...Sd4
- 2.Se5#
- 2.Qc3#
- 2.Qxa4#
- 2.Qd5#
- 1...S5d6
- 2.Se5#
- 2.Qc3#
- 2.Qxa4#
- 2.Qd5#
- 1...Sa7
- 2.Se5#
- 2.Rg4#
- 2.Qc3#
- 2.Qxa4#
- 2.Qd5#
- 1...Sc7
- 2.Se5#
- 2.Rg4#
- 2.Qc3#
- 2.Qxa4#
- 1...Sc5
- 2.Rxc5#
- 1...S7d6
- 2.Rc5#
- 2.Qxa4#
- 1...Rxa5!
- threat
- 1.Kf4?
- Keys
- 1.Kf2!
- 1...Rxa3
- 2.Qb4#
- 1...Bxd3
- 2.Qe6#
- 1...Sxa3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Rb4
- 2.Qxb4#
- 1...Ra5
- 2.Qb4#
- 1...Ra6
- 2.Qb4#
- 1...Ra7
- 2.Qb4#
- 1...Ra8
- 2.Qb4#
- 1...Bd1
- 2.Qe6#
- 1...Bf1
- 2.Qe6#
- 1...Sd4
- 2.Qc3#
- 1...S5d6
- 2.Qc3#
- 1...Sa7
- 2.Qc3#
- 1...Sc7
- 2.Qc3#
- 1...Sa5
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...S7d6
- 2.Rc5#
- 1...Sd8
- 2.Rc5#
- 1...Rxa3
- 1.Kf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD,P_PINS(E),XP(D)::QAR1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
- R(c);N_GUARD::QAR1(A)
- S(e);N_GUARD,XP(D)::QAR1(A)
- S(e);N_GUARD::QAR1(A),XS(e)
- S(e);N_GUARD::QAR1(A)
- S(f);N_GUARD::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- R(c);N_GUARD,XP(D)::QAR1(A)
- B(a);OGATE,XS(E)::QAB(A)
- S(e);N_GUARD,XP(D)::QAR1(A)
- S(e);N_GUARD::QAR1(A),XS(e)
- R(c);N_GUARD::QAR1(A),XR(c)
- R(c);N_GUARD::QAR1(A)
- B(a);OGATE::QAB(A)
- S(e);N_GUARD::QAR1(A)
- S(f);N_GUARD::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- Refutation
- P(b);
- Try
- B(B);
- Threat
- S(E)
- Vars
- R(c);N_GUARD,P_PINS(E),XP(D)::QAR1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
- Refutation
- B(a);XS(E)
- Try
- B(B);
- Threat
- S(E)
- Vars
- R(c);N_GUARD,P_PINS(E),XP(D)::QAR1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
- Refutation
- B(a);XS(E)
- Try
- B(B);
- Threat
- S(E)
- Vars
- R(c);N_GUARD,P_PINS(E),XP(D)::QAR1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
- Refutation
- B(a);XS(E)
- Try
- B(B);
- Threat
- S(E)
- Vars
- R(c);N_GUARD,P_PINS(E),XP(D)::QAR1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
- Refutation
- B(a);XS(E)
- Try
- B(B);
- Threat
- S(E)
- Vars
- R(c);N_GUARD,P_PINS(E),XP(D)::QAR1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
- Refutation
- B(a);XS(E)
- Try
- B(B);
- Threat
- S(E)
- Vars
- R(c);N_GUARD,P_PINS(E),XP(D)::QAR1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
- Refutation
- B(a);XS(E)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD,XQ(A)::R1(H)
- R(c);N_GUARD::QAR1(A),XR(c)
- S(f);N_GUARD::R1(H),XS(f)
- Refutation
- R(c);XQ(A)
- Try
- Actual
- K(F);S_FLIGHT
- Vars
- R(c);N_GUARD,XP(D)::QAR1(A)
- B(a);OGATE,XS(E)::QAB(A)
- S(e);N_GUARD,XP(D)::QAR1(A)
- S(e);N_GUARD::QAR1(A),XS(e)
- R(c);N_GUARD::QAR1(A),XR(c)
- R(c);N_GUARD::QAR1(A)
- B(a);OGATE::QAB(A)
- S(e);N_GUARD::QAR1(A)
- S(f);N_GUARD::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
Developed and maintained by Brian Stephenson.
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