MESON Chess Problem Database
Problem Display
PID: 25708 (8/p7/5BBK/4N2p/3p1k2/3RN3/q6P/8 w - - 0 1)
Gulyaev, Aleksandr Pavlovich (aka Grin, AP)
Schach, 1975
#2
7 + 5
| 2988 | Izbrannie Kompozitsi | 1985 |
| 5454 | Near Snap | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sg2#
- 2.Sd5#
- 1...Qb3
- 2.Sg2#
- 1...Qc4
- 2.Sg2#
- 1...Qd5
- 2.Sxd5#
- 1...Qe6
- 2.Sg2#
- 1...Qf7
- 2.Sg2#
- 1...Qg8
- 2.Sg2#
- 1...Qa1
- 2.Sg2#
- 2.Sd5#
- 1...Qb2
- 2.Sd5#
- 1...Qc2
- 2.Sd5#
- 1...Qd2
- 2.Sd5#
- 1...Qe2
- 2.Sd5#
- 1...Qf2
- 2.Sd5#
- 1...Qg2
- 2.Sxg2#
- 1...Qxh2
- 2.Sd5#
- 1...Qa3
- 2.Sg2#
- 2.Sd5#
- 1...Qa4
- 2.Sg2#
- 2.Sd5#
- 1...Qa5
- 2.Sg2#
- 1...Qa6
- 2.Sg2#
- 2.Sd5#
- 1...dxe3
- 2.Rd4#
- 1...Qb1
- Tries
- 1.Sc2?
- threat
- 2.Rf3#
- 2.Rxd4#
- 1...Qxc2
- 2.Rf3#
- 1...Qb3
- 2.Rxd4#
- 1...Qc4
- 2.Rf3#
- 1...Qa1
- 2.Rf3#
- 1...Qb2
- 2.Rf3#
- 1...Qa3
- 2.Rxd4#
- 1...Qa4
- 2.Rf3#
- 1...Qd5!
- threat
- 1.S3c4?
- threat
- 2.Bg5#
- 2.Rf3#
- 2.Rxd4#
- 1...Qxc4
- 2.Rf3#
- 1...Qxh2
- 2.Bg5#
- 2.Rf3#
- 1...Qb1
- 2.Bg5#
- 2.Rf3#
- 1...Qb3
- 2.Bg5#
- 2.Rxd4#
- 1...Qa1
- 2.Bg5#
- 2.Rf3#
- 1...Qb2
- 2.Bg5#
- 2.Rf3#
- 1...Qc2
- 2.Bg5#
- 2.Rf3#
- 1...Qd2
- 2.Bg5#
- 2.Rf3#
- 1...Qe2
- 2.Bg5#
- 1...Qf2
- 2.Bg5#
- 1...Qa3
- 2.Bg5#
- 2.Rxd4#
- 1...Qg2!
- threat
- 1.S3g4?
- threat
- 2.Bg5#
- 2.Rf3#
- 2.Rxd4#
- 1...Qxh2
- 2.Bg5#
- 2.Rf3#
- 1...Qd5
- 2.Bg5#
- 1...Qb1
- 2.Bg5#
- 2.Rf3#
- 1...Qb3
- 2.Bg5#
- 2.Rxd4#
- 1...Qc4
- 2.Bg5#
- 2.Rf3#
- 1...Qa1
- 2.Bg5#
- 2.Rf3#
- 1...Qb2
- 2.Bg5#
- 2.Rf3#
- 1...Qc2
- 2.Bg5#
- 2.Rf3#
- 1...Qd2
- 2.Bg5#
- 2.Rf3#
- 1...Qe2
- 2.Bg5#
- 1...Qf2
- 2.Bg5#
- 1...Qg2
- 2.Bg5#
- 1...Qa3
- 2.Bg5#
- 2.Rxd4#
- 1...Qa4
- 2.Bg5#
- 2.Rf3#
- 1...hxg4!
- threat
- 1.Rb3?
- threat
- 2.Sd5#
- 1...Qxb3
- 2.Sg2#
- 1...Qg2
- 2.Sxg2#
- 1...Qa5
- 2.Sg2#
- 1...dxe3!
- threat
- 1.Sc2?
- Keys
- 1.Rd2!
- threat
- 2.Sg2#
- 1...Kxe3
- 2.Bg5#
- 1...Qxd2
- 2.Sd5#
- 1...dxe3
- 2.Rd4#
- 1...Qd5
- 2.Sxd5#
- threat
- 1.Rd2!
Anticipated by 2530(1939)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- Q(a);N_GUARD::S(C)
- Q(a);N_GUARD::S(C),XQ(a)
- Q(a);N_GUARD,XP(A)::S(C)
- P(b);SBLOCK,XS(C)::R(B)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(a);XS(C)::R1(B)
- Q(a);::R(B),XP(b)
- Q(a);::R1(B)
- Refutation
- Q(a);
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- Q(a);XS(C)::R1(B)
- Q(a);::B(E)
- Refutation
- Q(a);
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- Q(a);::B(E)
- Refutation
- P(d);XS(C)
- Try
- R(B);
- Threat
- S(C)
- Vars
- Q(a);N_GUARD,XR(B)::S(C)
- Q(a);N_GUARD::S(C),XQ(a)
- Q(a);N_GUARD::S(C)
- Refutation
- P(b);XS(C)
- Try
- Actual
- R(B);
- Threat
- S(C)
- Vars
- K(c);S_FLIGHT,XS(C)::B(E)
- Q(a);N_GUARD,XR(B)::S(C)
- P(b);SBLOCK,XS(C)::R(B)
- Q(a);N_GUARD::S(C),XQ(a)
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