MESON Chess Problem Database
Problem Display
PID: 165242 (B3Q3/8/8/k6r/8/8/1R6/K6b w - - 0 1)
Zakhodyakin, Gleb Nikolaevich
Vecherni Praha, 1965
#2
4 + 3
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Qb5#
- 1...Rh3
- 2.Qb5#
- 1...Rh4
- 2.Qb5#
- 1...Rb5
- 2.Qxb5#
- 1...Rh6
- 2.Qb5#
- 1...Rh7
- 2.Qb5#
- 1...Rh8
- 2.Qb5#
- 1...Bd5
- 2.Qb5#
- 1...Bxa8
- 2.Qxa8#
- 1...Rh2
- Tries
- 1.Bxh1?
- threat
- 2.Qa8#
- 1...Ka6
- 2.Qa8#
- 1...Rb5
- 2.Qxb5#
- 1...Rh6
- 2.Qb5#
- 1...Rh7
- 2.Qb5#
- 1...Rh8
- 2.Qb5#
- 1...Rxh1+!
- threat
- 1.Bg2?
- threat
- 2.Qa8#
- 1...Ka6
- 2.Qa8#
- 1...Rb5
- 2.Qxb5#
- 1...Rh6
- 2.Qb5#
- 1...Rh7
- 2.Qb5#
- 1...Rh8
- 2.Qb5#
- 1...Bxg2!
- threat
- 1.Bf3?
- threat
- 2.Qa8#
- 1...Ka6
- 2.Qa8#
- 1...Rb5
- 2.Qxb5#
- 1...Rh6
- 2.Qb5#
- 1...Rh7
- 2.Qb5#
- 1...Rh8
- 2.Qb5#
- 1...Bxf3!
- threat
- 1.Be4?
- threat
- 2.Qa8#
- 1...Ka6
- 2.Qa8#
- 1...Rb5
- 2.Qxb5#
- 1...Rh6
- 2.Qb5#
- 1...Rh7
- 2.Qb5#
- 1...Rh8
- 2.Qb5#
- 1...Bxe4!
- threat
- 1.Bb7?
- threat
- 2.Qa8#
- 1...Rb5
- 2.Qxb5#
- 1...Rh6
- 2.Qb5#
- 1...Rh8
- 2.Qb5#
- 1...Bxb7!
- threat
- 1.Qf7?
- threat
- 2.Qa2#
- 2.Qa7#
- 1...Ka4
- 2.Qa2#
- 1...Rb5
- 2.Qa7#
- 1...Rh3
- 2.Qa7#
- 1...Rh4
- 2.Qa7#
- 1...Rd5
- 2.Qa7#
- 1...Rh6
- 2.Qa2#
- 1...Rh7
- 2.Qa2#
- 1...Bd5
- 2.Qa7#
- 1...Bc6
- 2.Qa7#
- 1...Bb7
- 2.Qa2#
- 1...Ka6!
- threat
- 1.Qe1+?
- 1...Ka4
- 2.Qb4#
- 1...Ka6!
- 1...Ka4
- 1.Qe3?
- threat
- 2.Qa7#
- 2.Qa3#
- 1...Ka6
- 2.Qb6#
- 1...Rh3
- 2.Qa7#
- 1...Rh4
- 2.Qa7#
- 1...Rb5
- 2.Qa7#
- 1...Rc5
- 2.Qa3#
- 1...Rh6
- 2.Qa3#
- 1...Rh7
- 2.Qa3#
- 1...Bc6
- 2.Qa7#
- 1...Bb7
- 2.Qa3#
- 1...Ka4!
- threat
- 1.Qe7?
- threat
- 2.Qa3#
- 2.Qa7#
- 1...Ka4
- 2.Qb4#
- 1...Rb5
- 2.Qa7#
- 1...Rh3
- 2.Qa7#
- 1...Rh4
- 2.Qa7#
- 1...Rc5
- 2.Qa7#
- 1...Rh6
- 2.Qa3#
- 1...Rh7
- 2.Qa3#
- 1...Bc6
- 2.Qa7#
- 1...Bb7
- 2.Qa3#
- 1...Ka6!
- threat
- 1.Qb8?
- threat
- 2.Ra2#
- 2.Qa7#
- 1...Ka4
- 2.Ra2#
- 2.Qb4#
- 1...Ka6
- 2.Qb6#
- 1...Rh2
- 2.Qa7#
- 2.Qb5#
- 1...Rh3
- 2.Qa7#
- 2.Qb5#
- 1...Rh4
- 2.Qa7#
- 2.Qb5#
- 1...Rb5
- 2.Qa7#
- 2.Qxb5#
- 1...Rh6
- 2.Ra2#
- 2.Qb5#
- 1...Rh7
- 2.Ra2#
- 2.Qb5#
- 1...Bd5
- 2.Qa7#
- 2.Qb5#
- 1...Bc6
- 2.Qa7#
- 1...Bb7!
- threat
- 1.Qd8+?
- 1...Ka6
- 2.Qb6#
- 1...Ka4!
- 1...Ka6
- 1.Bxh1?
- Keys
- 1.Bd5!
- threat
- 2.Qb5#
- 2.Qa8#
- 1...Ka6
- 2.Qa4#
- 2.Qa8#
- 1...Rxd5
- 2.Qa8#
- 1...Bxd5
- 2.Qb5#
- 1...Rh6
- 2.Qb5#
- 1...Rh7
- 2.Qb5#
- 1...Rh8
- 2.Qb5#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(c);N_GUARD::QAR1(D)
- R(c);N_GUARD,SBLOCK::QAR1(D)
- R(c);N_GUARD::QAR1(D),XR(c)
- B(a);S_CUTR(c)::QAR1(D)
- B(a);OGATE,XB(C)::QAR(D),XB(a)
- Tries
- Try
- B(C);XB(a)
- Threat
- QAR(D)
- Vars
- K(b);P-FLIGHT::QAR2(D)
- R(c);N_GUARD::QAR1(D),XR(c)
- R(c);N_GUARD::QAR1(D)
- Refutation
- R(c);CHECK,XB(C)
- Try
- B(C);
- Threat
- QAR(D)
- Vars
- K(b);P-FLIGHT::QAR2(D)
- R(c);N_GUARD::QAR1(D),XR(c)
- R(c);N_GUARD::QAR1(D)
- Refutation
- B(a);XB(C)
- Try
- B(C);
- Threat
- QAR(D)
- Vars
- K(b);P-FLIGHT::QAR2(D)
- R(c);N_GUARD::QAR1(D),XR(c)
- R(c);N_GUARD::QAR1(D)
- Refutation
- B(a);XB(C)
- Try
- B(C);
- Threat
- QAR(D)
- Vars
- K(b);P-FLIGHT::QAR2(D)
- R(c);N_GUARD::QAR1(D),XR(c)
- R(c);N_GUARD::QAR1(D)
- Refutation
- B(a);XB(C)
- Try
- B(C);
- Threat
- QAR(D)
- Vars
- R(c);N_GUARD::QAR1(D),XR(c)
- R(c);N_GUARD::QAR1(D)
- Refutation
- B(a);XB(C)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAR2(D)
- R(c);::QAR2(D)
- R(c);SBLOCK::QAR2(D)
- R(c);::QAR(D)
- B(a);::QAR2(D)
- B(a);::QAR(D)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(D)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAR1(D)
- R(c);SBLOCK::QAR2(D)
- R(c);::QAR2(D)
- B(a);::QAR2(D)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAR1(D)
- R(c);::QAR2(D)
- R(c);SBLOCK::QAR2(D)
- B(a);::QAR2(D)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAR1(D)
- B(a);::QAR2(D)
- Refutation
- B(a);
- Try
- Q(D);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(D)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- B(C);
- Threat
- DUALS(2)
- Vars
- R(c);XB(C)::QAR(D)
- B(a);XB(C)::QAR1(D)
- R(c);::QAR1(D)
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