MESON Chess Problem Database
Problem Display
PID: 138570 (4B3/2r1prp1/1N2k3/5N2/2R3R1/3pp1K1/7Q/B7 w - - 0 1)
Chepizhni, Viktor Ivanovich
Rudenko, Valentin Fedorovich
2nd Prize, Odessa Festival TT, 1997
#2
8 + 7
| 6167 | Viktor Chepizhny | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rxc4
- 2.Bd7#
- 1...Rc5
- 2.Bd7#
- 1...Rc6
- 2.Bd7#
- 1...Rd7
- 2.Bxd7#
- 1...Rc8
- 2.Bd7#
- 1...Rxc4
- Tries
- 1.Kg2?
- threat
- 2.Qe5#
- 1...Kxf5
- 2.Qe5#
- 1...Rc5
- 2.Bd7#
- 1...Rxf5!
- threat
- 1.Kf3?
- threat
- 2.Qe5#
- 1...Kxf5
- 2.Qe5#
- 1...Rc5
- 2.Bd7#
- 1...Rxf5+!
- threat
- 1.Kh3?
- threat
- 2.Qe5#
- 1...Kxf5
- 2.Qe5#
- 1...Rc5
- 2.Bd7#
- 1...Rxf5!
- threat
- 1.Bxf7+?
- 1...Kxf5
- 2.Rcf4#
- 1...Kxf7!
- 1...Kxf5
- 1.Rc5?
- threat
- 2.Re4#
- 2.Qa2#
- 1...Rxc5
- 2.Bd7#
- 1...Ra7
- 2.Re4#
- 1...Rd7
- 2.Bxd7#
- 2.Re4#
- 1...d2
- 2.Re4#
- 1...e2
- 2.Re4#
- 1...Rxf5!
- threat
- 1.Rc6+?
- 1...Rxc6
- 2.Bd7#
- 1...Kxf5!
- 1...Rxc6
- 1.Rgf4?
- threat
- 2.Rce4#
- 1...Rxc4
- 2.Bd7#
- 1...Rc5
- 2.Bd7#
- 1...Rxf5!
- threat
- 1.Rg5?
- threat
- 2.Re4#
- 1...Rxc4
- 2.Bd7#
- 1...Rc5
- 2.Bd7#
- 1...Rxf5!
- threat
- 1.Rg6+?
- 1...Kxf5
- 2.Qh5#
- 1...Rf6!
- 1...Kxf5
- 1.Qh1?
- threat
- 2.Qe4#
- 2.Qd5#
- 1...Kxf5
- 2.Qe4#
- 1...Rxc4
- 2.Bd7#
- 2.Qd5#
- 1...Rc5
- 2.Bd7#
- 1...Rd7
- 2.Bxd7#
- 2.Qe4#
- 1...Rxf5!
- threat
- 1.Qa2?
- threat
- 2.Rc5#
- 1...Kxf5
- 2.Rcf4#
- 1...Rxc4
- 2.Bd7#
- 1...Rxf5
- 2.Rc6#
- 1...Rc5
- 2.Bd7#
- 2.Rxc5#
- 1...Rd7
- 2.Bxd7#
- 1...Ra7!
- threat
- 1.Qb2?
- threat
- 2.Qe5#
- 1...Kxf5
- 2.Qe5#
- 1...Rc5
- 2.Bd7#
- 1...Rxf5!
- threat
- 1.Qg2?
- threat
- 2.Qe4#
- 2.Qd5#
- 1...Kxf5
- 2.Qe4#
- 1...Rxc4
- 2.Bd7#
- 2.Qd5#
- 1...Rc5
- 2.Bd7#
- 1...Rd7
- 2.Bxd7#
- 2.Qe4#
- 1...Rxf5!
- threat
- 1.Qh5?
- threat
- 2.Bxf7#
- 2.Rce4#
- 2.Rge4#
- 2.Qxf7#
- 1...Rxc4
- 2.Bd7#
- 2.Bxf7#
- 2.Qxf7#
- 1...g5
- 2.Qxf7#
- 1...Rf6
- 2.Rce4#
- 2.Rge4#
- 1...Rc5
- 2.Bd7#
- 2.Bxf7#
- 2.Qxf7#
- 1...Rf8
- 2.Rce4#
- 2.Rge4#
- 1...g6
- 2.Rce4#
- 2.Rge4#
- 1...Rxf5!
- threat
- 1.Qh7?
- threat
- 2.Rce4#
- 2.Rge4#
- 1...Rxc4
- 2.Bd7#
- 1...g6
- 2.Qxf7#
- 1...Rc5
- 2.Bd7#
- 1...Rxf5!
- threat
- 1.Kg2?
- Keys
- 1.Qh3!
- threat
- 2.Rge4#
- 1...Kxf5
- 2.Rxg7#
- 1...Rxc4
- 2.Bd7#
- 1...Rxf5
- 2.Rg6#
- 1...Rc5
- 2.Bd7#
- threat
- 1.Qh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(d);N_GUARD,XR(D)::B(H)
- R(d);N_GUARD::B(H)
- R(d);N_GUARD::B(H),XR(d)
- Tries
- Try
- K(C);P-FLIGHT
- Threat
- QAR1(B)
- Vars
- K(c);S_FLIGHT,XS(F)::QAR1(B)
- R(d);N_GUARD::B(H)
- Refutation
- R(f);XS(F)
- Try
- K(C);P-FLIGHT,P_SPINS(F)
- Threat
- QAR1(B)
- Vars
- K(c);S_FLIGHT,XS(F)::QAR1(B)
- R(d);N_GUARD::B(H)
- Refutation
- R(f);CHECK,XS(F)
- Try
- K(C);P-FLIGHT
- Threat
- QAR1(B)
- Vars
- K(c);S_FLIGHT,XS(F)::QAR1(B)
- R(d);N_GUARD::B(H)
- Refutation
- R(f);XS(F)
- Try
- B(H);CHECK,XR(f)
- Vars
- K(c);S_FLIGHT,XS(F)::R1(D)
- Refutation
- K(c);S_FLIGHT,XB(H)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,XR(D)::B(H)
- R(d);::R(E)
- P(a);::R(E)
- P(b);::R(E)
- Refutation
- R(f);XS(F)
- Try
- R(D);CHECK
- Vars
- R(d);XR(D)::B(H)
- Refutation
- K(c);S_FLIGHT,XS(F)
- Try
- R(E);
- Threat
- R(D)
- Vars
- R(d);N_GUARD,XR(D)::B(H)
- R(d);N_GUARD::B(H)
- Refutation
- R(f);XS(F)
- Try
- R(E);
- Threat
- R(D)
- Vars
- R(d);N_GUARD,XR(D)::B(H)
- R(d);N_GUARD::B(H)
- Refutation
- R(f);XS(F)
- Try
- R(E);CHECK
- Vars
- K(c);S_FLIGHT,XS(F)::QAR2(B)
- Refutation
- R(f);P_SPINR(f)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(c);S_FLIGHT,XS(F)::QAB1(B)
- R(d);N_GUARD::B(H)
- Refutation
- R(f);XS(F)
- Try
- Q(B);
- Threat
- QAB(B)+R(D)
- Vars
- K(c);S_FLIGHT,XS(F)::R1(D)
- R(d);N_GUARD,P_SPINR(d),XR(D)::B(H)
- R(f);SBLOCK,XS(F)::QAB(B)+R(D),DCHECK
- R(d);N_GUARD::B(H),XR(d)
- Refutation
- R(d);
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- K(c);S_FLIGHT,XS(F)::QAR1(B)
- R(d);N_GUARD::B(H)
- Refutation
- R(f);XS(F)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(c);S_FLIGHT,XS(F)::QAB1(B)
- R(d);N_GUARD::B(H)
- Refutation
- R(f);XS(F)
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- P(g);::QAB1(B),XR(f)
- Refutation
- R(f);XS(F)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,XR(D)::B(H)
- P(g);OGATE::QAB1(B),XR(f)
- R(d);N_GUARD::B(H)
- Refutation
- R(f);XS(F)
- Try
- Actual
- Q(B);
- Threat
- R(E)
- Vars
- K(c);OGATEB,S_FLIGHT,XS(F)::QAB(B)+R(E),XP(g)
- R(d);N_GUARD,XR(D)::B(H)
- R(f);N_GUARD,XS(F)::R(E)
- R(d);N_GUARD::B(H)
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