MESON Chess Problem Database
Problem Display
PID: 96659 (8/Rn6/3p3N/8/r2pBk2/5N2/4Q1K1/1n6 w - - 0 1)
Riczu, Lajos
Problemas, 1968
#2
6 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sa5
- 2.Rf7#
- 1...Sc5
- 2.Rf7#
- 1...Sa5
- Tries
- 1.Bxb1?
- threat
- 2.Qd2#
- 2.Qe4#
- 1...Ra3
- 2.Qe4#
- 1...Sc5
- 2.Rf7#
- 2.Qd2#
- 1...d3
- 2.Rxa4#
- 1...d5
- 2.Qd2#
- 2.Qe5#
- 1...Ra2!
- threat
- 1.Bd3?
- threat
- 2.Qe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3
- 2.Qd2#
- 1...Sc5
- 2.Rf7#
- 1...d5
- 2.Qe5#
- 1...Ra2!
- threat
- 1.Bd5?
- threat
- 2.Qe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3
- 2.Qd2#
- 1...Sc5
- 2.Rf7#
- 1...d3
- 2.Rxa4#
- 1...Ra2!
- threat
- 1.Bc6?
- threat
- 2.Qe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3
- 2.Qd2#
- 1...Sc5
- 2.Rf7#
- 1...d3
- 2.Rxa4#
- 1...d5
- 2.Qe5#
- 1...Ra2!
- threat
- 1.Bg6?
- threat
- 2.Qe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3
- 2.Qd2#
- 1...Sc5
- 2.Rf7#
- 1...d3
- 2.Rxa4#
- 1...d5
- 2.Qe5#
- 1...Ra2!
- threat
- 1.Bxb7?
- threat
- 2.Qe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3
- 2.Qd2#
- 1...d3
- 2.Rxa4#
- 1...d5
- 2.Qe5#
- 1...Ra2!
- threat
- 1.Bh7?
- threat
- 2.Qe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3
- 2.Qd2#
- 1...Sc5
- 2.Rf7#
- 1...d3
- 2.Rxa4#
- 1...d5
- 2.Qe5#
- 1...Ra2!
- threat
- 1.Bxb1?
- Keys
- 1.Bc2!
- threat
- 2.Qe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3
- 2.Qd2#
- 1...Sc5
- 2.Rf7#
- 1...d3
- 2.Rxa4#
- 1...d5
- 2.Qe5#
- threat
- 1.Bc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- S(f);OGATE::R(F)
- Tries
- Try
- B(D);XS(a)
- Threat
- DUALS(2)
- Vars
- R(b);::QAR1(A)
- P(c);OGATEB::R(F),XR(b)
- Refutation
- R(b);P_PINQ(A)
- Try
- B(D);
- Threat
- QAR1(A)
- Vars
- S(a);N_GUARD::QAB(A),XS(a)
- S(a);N_GUARD::QAB(A)
- S(f);OGATE::R(F)
- P(e);N_GUARD::QAB1(A)
- Refutation
- R(b);P_PINQ(A)
- Try
- B(D);
- Threat
- QAR1(A)
- Vars
- S(a);N_GUARD::QAB(A),XS(a)
- S(a);N_GUARD::QAB(A)
- S(f);OGATE::R(F)
- P(c);OGATEB::R(F),XR(b)
- Refutation
- R(b);P_PINQ(A)
- Try
- B(D);
- Threat
- QAR1(A)
- Vars
- S(a);N_GUARD::QAB(A),XS(a)
- S(a);N_GUARD::QAB(A)
- S(f);OGATE::R(F)
- P(c);OGATEB::R(F),XR(b)
- P(e);N_GUARD::QAB1(A)
- Refutation
- R(b);P_PINQ(A)
- Try
- B(D);
- Threat
- QAR1(A)
- Vars
- S(a);N_GUARD::QAB(A),XS(a)
- S(a);N_GUARD::QAB(A)
- S(f);OGATE::R(F)
- P(c);OGATEB::R(F),XR(b)
- P(e);N_GUARD::QAB1(A)
- Refutation
- R(b);P_PINQ(A)
- Try
- B(D);XS(f)
- Threat
- QAR1(A)
- Vars
- S(a);N_GUARD::QAB(A),XS(a)
- S(a);N_GUARD::QAB(A)
- P(c);OGATEB::R(F),XR(b)
- P(e);N_GUARD::QAB1(A)
- Refutation
- R(b);P_PINQ(A)
- Try
- B(D);
- Threat
- QAR1(A)
- Vars
- S(a);N_GUARD::QAB(A),XS(a)
- S(a);N_GUARD::QAB(A)
- S(f);OGATE::R(F)
- P(c);OGATEB::R(F),XR(b)
- P(e);N_GUARD::QAB1(A)
- Refutation
- R(b);P_PINQ(A)
- Try
- Actual
- B(D);
- Threat
- QAR1(A)
- Vars
- S(a);N_GUARD::QAB(A),XS(a)
- S(a);N_GUARD::QAB(A)
- S(f);OGATE::R(F)
- P(c);OGATEB::R(F),XR(b)
- P(e);N_GUARD::QAB1(A)
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