MESON Chess Problem Database
Problem Display
PID: 15389 (8/8/8/qR6/kpQ5/8/3N4/3K4 w - - 0 1)
Voinov, Vsevolod A
2nd HM., Magadansky Komsomolets, 1983
#2
4 + 3
| 3296 | Shakhmatny zadachi miniaturi | 1987 |
| 4883 | Still More Fun with Chess Miniatures | 2002 |
| 5454 | Near Snap | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Ka3
- 2.Qb3#
- 1...Qb6
- 2.Qxb4#
- 1...Qc7
- 2.Qxb4#
- 1...Qd8
- 2.Qxb4#
- 1...Qxb5
- 2.Qa2#
- 1...Qa6
- 2.Qxb4#
- 1...Qa7
- 2.Qxb4#
- 1...Qa8
- 2.Qxb4#
- 1...Ka3
- Tries
- 1.Kc1?
- 1...Ka3
- 2.Rxa5#
- 2.Qb3#
- 1...Qxb5
- 2.Qa2#
- 1...Qb6
- 2.Qxb4#
- 1...Qd8
- 2.Qxb4#
- 1...Qa6
- 2.Qxb4#
- 1...Qa7
- 2.Qxb4#
- 1...Qa8
- 2.Qxb4#
- 1...Qc7!
- 1...Ka3
- 1.Kc2?
- 1...Ka3
- 2.Rxa5#
- 2.Qb3#
- 1...Qxb5
- 2.Qa2#
- 1...Qb6
- 2.Qxb4#
- 1...Qd8
- 2.Qxb4#
- 1...Qa6
- 2.Qxb4#
- 1...Qa7
- 2.Qxb4#
- 1...Qa8
- 2.Qxb4#
- 1...Qc7!
- 1...Ka3
- 1.Ke2?
- 1...Ka3
- 2.Qb3#
- 1...Qc7
- 2.Qxb4#
- 1...Qb6
- 2.Qxb4#
- 1...Qd8
- 2.Qxb4#
- 1...Qa6
- 2.Qxb4#
- 1...Qa7
- 2.Qxb4#
- 1...Qa8
- 2.Qxb4#
- 1...Qxb5!
- 1...Ka3
- 1.Sb1?
- 1...Qxb5
- 2.Qa2#
- 1...Qc7
- 2.Qxb4#
- 1...Qb6
- 2.Qxb4#
- 1...Qa6
- 2.Qxb4#
- 1...Qa7
- 2.Qxb4#
- 1...Qa8
- 2.Qxb4#
- 1...Qd8+!
- 1...Qxb5
- 1.Rxb4+?
- 1...Ka3
- 2.Sb1#
- 2.Qb3#
- 1...Qxb4!
- 1...Ka3
- 1.Rc5?
- threat
- 2.Qa2#
- 2.Qb3#
- 1...Ka3
- 2.Qb3#
- 1...Qb5
- 2.Qa2#
- 1...Qxc5!
- threat
- 1.Qc2+?
- 1...Ka3
- 2.Sb1#
- 2.Sc4#
- 2.Rxa5#
- 2.Qb3#
- 1...b3
- 2.Qxb3#
- 1...Kxb5!
- 1...Ka3
- 1.Qd4?
- 1...Ka3
- 2.Rxa5#
- 2.Qa1#
- 1...Qxb5
- 2.Qa1#
- 1...Qc7
- 2.Qxb4#
- 1...Qb6
- 2.Qxb4#
- 1...Qd8
- 2.Qxb4#
- 1...Qa6
- 2.Qxb4#
- 1...Qa7
- 2.Qxb4#
- 1...Qa8
- 2.Qxb4#
- 1...Kxb5!
- 1...Ka3
- 1.Kc1?
- Keys
- 1.Ke1!
- 1...Ka3
- 2.Qb3#
- 1...Qxb5
- 2.Qa2#
- 1...Qb6
- 2.Qxb4#
- 1...Qc7
- 2.Qxb4#
- 1...Qd8
- 2.Qxb4#
- 1...Qa6
- 2.Qxb4#
- 1...Qa7
- 2.Qxb4#
- 1...Qa8
- 2.Qxb4#
- 1...Ka3
- 1.Ke1!
Anticipated by 204256(1925), 173599(1929), 135127(1981)
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
- Q(c);N_GUARD::QAR1(C),XP(b)
- Q(c);N_GUARD,P_PINS(B)::QAR1(C),XP(b)
- Q(c);SBLOCK,XR(D)::QAR2(C)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- Q(c);SBLOCK,XR(D)::QAR2(C)
- Q(c);N_GUARD::QAR1(C),XP(b)
- Refutation
- Q(c);P_PINQ(C)
- Try
- K(A);S_FLIGHT
- Vars
- Q(c);SBLOCK,XR(D)::QAR2(C)
- Q(c);N_GUARD::QAR1(C),XP(b)
- Refutation
- Q(c);P_PINQ(C)
- Try
- K(A);S_FLIGHT
- Vars
- K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
- Q(c);N_GUARD::QAR1(C),XP(b)
- Refutation
- Q(c);P_PINQ(C),XR(D)
- Try
- S(B);
- Vars
- Q(c);SBLOCK,XR(D)::QAR2(C)
- Q(c);N_GUARD::QAR1(C),XP(b)
- Refutation
- Q(c);CHECK
- Try
- R(D);CHECK,XP(b)
- Refutation
- Q(c);P_SPINQ(c),XR(D)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
- Q(c);::QAR2(C)
- Refutation
- Q(c);XR(D)
- Try
- Q(C);CHECK,N_PINP(b)
- Vars
- P(b);P_SPINP(b)::QAB1(C),XP(b)
- Refutation
- K(a);S_FLIGHT,XR(D)
- Try
- Q(C);
- Vars
- Q(c);SBLOCK,XR(D)::QAR(C)
- Q(c);N_GUARD::QAR1(C),XP(b)
- Refutation
- K(a);N_SPINP(b),S_FLIGHT,XR(D)
- Try
- Actual
- K(A);P-FLIGHT
- Vars
- K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
- Q(c);SBLOCK,XR(D)::QAR2(C)
- Q(c);N_GUARD::QAR1(C),XP(b)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).