MESON Chess Problem Database
Problem Display
PID: 15668 (2R4K/n3N2p/Q3p2B/p7/r3k3/2pR1N2/6p1/3n1b2 w - - 0 1)
Antonov, Yuri Mikhailovich
Burmistrov, Sergey Gennadevich
Themes-64, 1986
#2
7 + 10
| 3297 | FIDE Album (1986-1988) | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qc4#
- 1...Ra2
- 2.Qc4#
- 1...Ra3
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Sb2
- 2.Re3#
- 1...Sf2
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Ra1
- Tries
- 1.Rc4+?
- 1...Rxc4
- 2.Qxc4#
- 1...Kxd3!
- 1...Rxc4
- 1.Rcd8?
- threat
- 2.Qxe6#
- 1...Bxd3
- 2.Qxd3#
- 1...Se3
- 2.Rxe3#
- 1...Rd4
- 2.R8xd4#
- 1...Sc6
- 2.Qxc6#
- 1...e5!
- threat
- 1.Rf8?
- threat
- 2.Rf4#
- 1...Bxd3
- 2.Qxe6#
- 1...Rc4
- 2.Qxc4#
- 1...e5
- 2.Sg5#
- 1...Sb5!
- threat
- 1.Rc4+?
- Keys
- 1.Rcxc3!
- threat
- 2.Qxe6#
- 1...Bxd3
- 2.Qxd3#
- 1...Sxc3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sc6
- 2.Qxc6#
- 1...e5
- 2.Sd2#
- threat
- 1.Rcxc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- R(e);N_GUARD::QAR2(C)
- R(e);N_GUARD::QAR2(C),XR(e)
- S(a);N_GUARD::R1(A)
- S(a);N_GUARD::R1(A),XS(a)
- Tries
- Try
- R(F);CHECK
- Vars
- R(e);OGATE,XR(F)::QAR2(C),XR(e)
- Refutation
- K(f);S_FLIGHT,XR(A)
- Try
- R(F);
- Threat
- QAR2(C),XP(h)
- Vars
- B(b);OGATE,XR(A)::QAB1(C),XB(b)
- S(a);N_GUARD::R1(A),XS(a)
- R(e);N_GUARD::R1(F),XR(e)
- S(i);N_GUARD::QAB(C),XS(i)
- Refutation
- P(h);
- Try
- R(F);
- Threat
- R1(F)
- Vars
- B(b);SBLOCK,XR(A)::QAR2(C),XP(h)
- R(e);N_GUARD::QAR2(C),XR(e)
- P(h);SBLOCK::S(B)
- Refutation
- S(i);
- Try
- Actual
- R(F);XP(d)
- Threat
- QAR2(C),XP(h)
- Vars
- B(b);OGATE,XR(A)::QAB1(C),XB(b)
- S(a);N_GUARD,XR(F)::R1(A)
- S(a);N_GUARD::R1(A),XS(a)
- S(i);N_GUARD::QAB(C),XS(i)
- P(h);SBLOCK::S(B)
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