MESON Chess Problem Database
Problem Display
PID: 197776 (rRr3k1/3N1b1p/5B1p/7P/2B2P2/8/2Q2P2/1nK5 w - - 0 1)
Gorislavski, Mikhail
Probleemblad, 1980
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rxc8#
- 1...Ra2
- 2.Rxc8#
- 1...Ra3
- 2.Rxc8#
- 1...Ra4
- 2.Rxc8#
- 1...Ra5
- 2.Rxc8#
- 1...Ra6
- 2.Rxc8#
- 1...Ra7
- 2.Rxc8#
- 1...Bxc4
- 2.Qxc4#
- 1...Bd5
- 2.Bxd5#
- 1...Be6
- 2.Bxe6#
- 1...Ra1
- Tries
- 1.Rxa8?
- threat
- 2.Rxc8#
- 1...Bxc4
- 2.Qxc4#
- 1...Bd5
- 2.Bxd5#
- 1...Be6
- 2.Bxe6#
- 1...Rb8
- 2.Rxb8#
- 1...Rd8
- 2.Rxd8#
- 1...Re8
- 2.Rxe8#
- 1...Rf8
- 2.Rxf8#
- 1...Rxa8!
- threat
- 1.Qd3?
- threat
- 2.Qg3#
- 1...Bxc4
- 2.Qxc4#
- 1...Bd5
- 2.Qxd5#
- 1...Ra3
- 2.Rxc8#
- 1...Ra5
- 2.Rxc8#
- 1...Be6!
- threat
- 1.Qf5?
- threat
- 2.Qg4#
- 1...Bd5
- 2.Qxd5#
- 1...Be6
- 2.Qxe6#
- 1...Ra5
- 2.Rxc8#
- 1...Bxc4!
- threat
- 1.Qe2?
- threat
- 2.Qg4#
- 1...Bxc4
- 2.Qxc4#
- 1...Be6
- 2.Qxe6#
- 1...Ra5
- 2.Rxc8#
- 1...Bd5!
- threat
- 1.Qc3?
- threat
- 2.Qg3#
- 1...Bxc4
- 2.Qxc4#
- 1...Bd5
- 2.Bxd5#
- 1...Be6
- 2.Bxe6#
- 1...Ra3
- 2.Rxc8#
- 1...Ra5
- 2.Rxc8#
- 1...Sxc3!
- threat
- 1.f3?
- threat
- 2.Qg2#
- 1...Bxc4
- 2.Qxc4#
- 1...Bd5
- 2.Bxd5#
- 1...Be6
- 2.Bxe6#
- 1...Ra2
- 2.Rxc8#
- 1...Ra5
- 2.Rxc8#
- 1...Sd2!
- threat
- 1.Rxa8?
- Keys
- 1.Qe4!
- threat
- 2.Qg2#
- 1...Bxc4
- 2.Qxc4#
- 1...Bd5
- 2.Qxd5#
- 1...Be6
- 2.Qxe6#
- 1...Ra3
- 2.Rxc8#
- 1...Ra5
- 2.Rxc8#
- threat
- 1.Qe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(e);N_GUARD::R(I),XR(f)
- B(c);N_SPINB(c),OGATE,XB(D)::QAB(B),XB(c)
- B(c);OGATEB::B(D),XB(c)
- Tries
- Try
- R(I);XR(e)
- Threat
- R(I),XR(f)
- Vars
- B(c);N_SPINB(c),OGATE,XB(D)::QAB(B),XB(c)
- B(c);OGATEB::B(D),XB(c)
- R(f);OGATEB::R(I),XR(f)
- R(f);OGATE::R(I),XR(f)
- R(f);OGATE::R1(I),XR(f)
- Refutation
- R(f);N_SPINR(f),XR(I)
- Try
- Q(B);P_SPINB(D)
- Threat
- QAR(B)
- Vars
- B(c);N_SPINB(c),XB(D)::QAB(B),XB(c)
- B(c);::QAB(B),XB(c)
- R(e);N_GUARD::R(I),XR(f)
- Refutation
- B(c);
- Try
- Q(B);P_SPINB(D)
- Threat
- QAR(B)
- Vars
- B(c);::QAB(B),XB(c)
- R(e);N_GUARD::R(I),XR(f)
- Refutation
- B(c);N_SPINB(c),XB(D)
- Try
- Q(B);P_SPINB(D)
- Threat
- QAR(B)
- Vars
- B(c);N_SPINB(c),XB(D)::QAB(B),XB(c)
- B(c);::QAB(B),XB(c)
- R(e);N_GUARD::R(I),XR(f)
- Refutation
- B(c);
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- B(c);N_SPINB(c),OGATE,XB(D)::QAB(B),XB(c)
- B(c);OGATEB::B(D),XB(c)
- R(e);N_GUARD::R(I),XR(f)
- Refutation
- S(a);XQ(B)
- Try
- P(C);
- Threat
- QAR(B)
- Vars
- B(c);N_SPINB(c),OGATE,XB(D)::QAB(B),XB(c)
- B(c);OGATEB::B(D),XB(c)
- R(e);N_GUARD::R(I),XR(f)
- Refutation
- S(a);
- Try
- Actual
- Q(B);P_SPINB(D)
- Threat
- QAR(B)
- Vars
- B(c);N_SPINB(c),XB(D)::QAB(B),XB(c)
- B(c);::QAB(B),XB(c)
- R(e);N_GUARD::R(I),XR(f)
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