MESON Chess Problem Database
Problem Display
PID: 53675 (2N4B/1p2R2K/rR6/3k4/2rPN3/2p5/1p1nBp2/3Q4 w - - 0 1)
Yaroslavtsev, Arkady Ivanovich
3rd Prize, Shakhmaty v SSSR, 1949
#2
9 + 8
| 45 | Schach | 1950 |
SOLUTION
- SOUND
- Sets
- 1...Rca4
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rxd4
- 2.Re5#
- 1...Ra1
- 2.Rd6#
- 1...Ra2
- 2.Rd6#
- 1...Ra3
- 2.Rd6#
- 1...Raa4
- 2.Rd6#
- 1...Ra5
- 2.Rd6#
- 1...Ra7
- 2.Rd6#
- 1...Ra8
- 2.Rd6#
- 1...Sb1
- 2.Sf6#
- 2.Re5#
- 1...Sf1
- 2.Sf6#
- 2.Re5#
- 1...Sb3
- 2.Sf6#
- 2.Re5#
- 1...Sf3
- 2.Sf6#
- 1...Sxe4
- 2.Re5#
- 1...Rca4
- Tries
- 1.Bf1?
- threat
- 2.Qh5#
- 1...Sxe4
- 2.Re5#
- 1...Sf3
- 2.Sf6#
- 1...Rxb6!
- threat
- 1.Bd3?
- threat
- 2.Rd7#
- 2.Qh5#
- 1...Sxe4
- 2.Bxe4#
- 1...f1Q
- 2.Rd7#
- 1...f1R
- 2.Rd7#
- 1...Rc6
- 2.Qh5#
- 1...Rc7
- 2.Qh5#
- 1...Sf3
- 2.Rd7#
- 1...Rxb6!
- threat
- 1.Bf3?
- threat
- 2.Sxd2#
- 2.Sxc3#
- 2.Rd7#
- 1...Rxc8
- 2.Sxd2#
- 1...Rxb6
- 2.Sxd2#
- 2.Sxc3#
- 1...Sxf3
- 2.Sf6#
- 1...Sxe4
- 2.Bxe4#
- 2.Re5#
- 2.Rd7#
- 1...Rca4
- 2.Sxd2#
- 1...Rb4
- 2.Sxd2#
- 1...Rc5
- 2.Sxd2#
- 1...Rc6
- 2.Sxd2#
- 1...Rc7
- 2.Sxd2#
- 1...b1Q
- 2.Rd7#
- 1...b1B
- 2.Rd7#
- 1...f1Q
- 2.Sxc3#
- 2.Rd7#
- 1...f1R
- 2.Sxc3#
- 2.Rd7#
- 1...Sb1
- 2.Sd2#
- 2.Sxf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sed6#
- 2.Sf6#
- 2.Re5#
- 2.Rd7#
- 1...Sf1
- 2.Sd2#
- 2.Sxf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sed6#
- 2.Sf6#
- 2.Re5#
- 2.Rd7#
- 1...Sb3
- 2.Sd2#
- 2.Sxf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sed6#
- 2.Sf6#
- 2.Re5#
- 2.Rd7#
- 1...c2
- 2.Sxd2#
- 2.Sc3#
- 2.Rd7#
- 1...Rxd4!
- threat
- 1.Bxc4+?
- 1...Sxc4
- 2.Sxc3#
- 2.Sf6#
- 1...Kxc4!
- 1...Sxc4
- 1.Rb5+?
- 1...Rc5
- 2.Rxc5#
- 1...Kc6!
- 1...Rc5
- 1.Qh1?
- threat
- 2.Sxd2#
- 2.Sxc3#
- 2.Rd7#
- 2.Qh5#
- 1...Rxd4
- 2.Re5#
- 2.Rd7#
- 2.Qh5#
- 1...Rxb6
- 2.Sxd2#
- 2.Sxc3#
- 1...Sxe4
- 2.Rd7#
- 2.Qxe4#
- 1...b1Q
- 2.Rd7#
- 2.Qh5#
- 1...b1B
- 2.Rd7#
- 2.Qh5#
- 1...b1R
- 2.Sxc3#
- 2.Rd7#
- 2.Qh5#
- 1...f1Q
- 2.Sxc3#
- 2.Rd7#
- 1...f1B
- 2.Sxc3#
- 2.Rd7#
- 2.Qh5#
- 1...f1R
- 2.Sxc3#
- 2.Rd7#
- 1...Rc6
- 2.Sxd2#
- 2.Sxc3#
- 2.Qh5#
- 1...Rc7
- 2.Sxd2#
- 2.Sxc3#
- 2.Qh5#
- 1...Ra1
- 2.Sxc3#
- 2.Rd6#
- 2.Rd7#
- 2.Qh5#
- 1...Sb1
- 2.Sd2#
- 2.Sxf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sed6#
- 2.Rd7#
- 2.Qh5#
- 1...Sf1
- 2.Sd2#
- 2.Sxf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sed6#
- 2.Rd7#
- 2.Qh5#
- 1...Sb3
- 2.Sd2#
- 2.Sxf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sed6#
- 2.Rd7#
- 2.Qh5#
- 1...c2
- 2.Sxd2#
- 2.Sc3#
- 2.Rd7#
- 2.Qh5#
- 1...Sf3!
- threat
- 1.Bf1?
- Keys
- 1.Qa4!
- threat
- 2.Qd7#
- 1...Rcxa4
- 2.Sxc3#
- 1...Raxa4
- 2.Rd6#
- 1...Rxb6
- 2.Sxb6#
- 1...Sxe4
- 2.Bxc4#
- 2.Qxc4#
- 1...Rc6
- 2.Re5#
- 1...Rc7
- 2.Sf6#
- threat
- 1.Qa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- R(e);N_GUARD::S(D),XP(d)
- R(e);SBLOCK,XP(C)::R1(F)
- R(g);N_GUARD::R1(E)
- S(b);::S(D)
- S(b);XS(D)::R1(F)
- Tries
- Try
- B(B);
- Threat
- QAR(A)
- Vars
- S(b);XS(D)::R1(F)
- S(b);::S(D)
- Refutation
- R(g);XR(E)
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- S(b);OGATE,XS(D)::B(B),XS(b)
- P(c);::R(F)
- R(e);::QAR(A)
- R(e);P_PINR(F)::QAR(A)
- S(b);::R(F)
- Refutation
- R(g);XR(E)
- Try
- B(B);
- Threat
- DUALS(3)
- Vars
- R(e);XS(H)::B(B)+S(D),XS(b)
- S(b);XB(B)::S(D)
- R(e);::B(B)+S(D),XS(b)
- R(e);P_PINR(F)::B(B)+S(D),XS(b)
- P(a);P_PINS(D)::R(F)
- Refutation
- R(e);XP(C)
- Try
- B(B);CHECK,XR(e)
- Refutation
- K(f);S_FLIGHT,XB(B)
- Try
- R(E);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::R1(E),XR(e)
- Refutation
- K(f);S_FLIGHT
- Try
- Q(A);
- Threat
- DUALS(4)
- Refutation
- S(b);
- Try
- Actual
- Q(A);
- Threat
- QAR2(A)
- Vars
- R(e);N_GUARD,XQ(A)::S(D),XP(d)
- R(g);N_GUARD,XQ(A)::R1(E)
- R(g);XR(E)::S(H),XR(g)
- R(e);::R1(F)
- R(e);P_PINR(F)::S(D)
Developed and maintained by Brian Stephenson.
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