MESON Chess Problem Database
Problem Display
PID: 263561 (2r1R3/8/B2P1K2/1r1PN1P1/3pkNRn/Q1bn1pp1/2PPPp2/1qB2b2 w - - 0 1)
Permyakov, Evgeni Nikolaevich
SuperProblem 006. TT, 2012
#2
14 + 12
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.cxd3#
- 1...Qa1
- 2.cxd3#
- 1...Qxc1
- 2.cxd3#
- 1...Qb2
- 2.cxd3#
- 1...Qb3
- 2.cxd3#
- 1...Qb4
- 2.cxd3#
- 1...Rb2
- 2.Bxd3#
- 1...Rb3
- 2.Bxd3#
- 1...Rb4
- 2.Bxd3#
- 1...Ra5
- 2.Bxd3#
- 1...Rbc5
- 2.Bxd3#
- 1...Rxd5
- 2.Sfxd3#
- 2.Bxd3#
- 1...Rb6
- 2.Bxd3#
- 1...Rb7
- 2.Bxd3#
- 1...Rbb8
- 2.Bxd3#
- 1...Rc4
- 2.Sexd3#
- 1...Rcc5
- 2.Sexd3#
- 1...Rc6
- 2.Sexd3#
- 1...Bg2
- 2.exd3#
- 1...Bh3
- 2.exd3#
- 1...Ba1
- 2.Qxd3#
- 1...Bb2
- 2.Qxd3#
- 1...Bxd2
- 2.Qxd3#
- 1...Bb4
- 2.Qxd3#
- 1...Ba5
- 2.Qxd3#
- 1...Sxe5
- 2.Rxe5#
- 2.d3#
- 1...Sg2
- 2.exf3#
- 1...Sf5
- 2.exf3#
- 1...Sg6
- 2.exf3#
- 1...Qa2
- Tries
- 1.Sfg6+?
- 1...Kxd5
- 2.Se7#
- 1...Sf4!
- 1...Kxd5
- 1.Sxf3+?
- 1...Se5
- 2.Rxe5#
- 2.d3#
- 1...Rxe8!
- 1...Se5
- 1.Sc4+?
- 1...Se5
- 2.Rxe5#
- 2.d3#
- 1...Rxe8!
- 1...Se5
- 1.Sc6+?
- 1...Se5
- 2.Rxe5#
- 2.d3#
- 1...Rxe8!
- 1...Se5
- 1.Seg6+?
- 1...Se5
- 2.Rxe5#
- 2.d3#
- 1...Rxe8!
- 1...Se5
- 1.Sd7+?
- 1...Se5
- 2.Rxe5#
- 2.d3#
- 1...Rxe8!
- 1...Se5
- 1.Sf7+?
- 1...Se5
- 2.Rxe5#
- 2.d3#
- 1...Rxe8!
- 1...Se5
- 1.Bb7?
- threat
- 2.Sfxd3#
- 1...Bxd2
- 2.Qxd3#
- 1...Sxc1
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sxf4
- 2.d3#
- 1...Sxe5
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 2.Rxe5#
- 2.d3#
- 1...Rc6
- 2.Sexd3#
- 1...Bh3
- 2.exd3#
- 1...Se1
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sb2
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sb4
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sc5
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sg2
- 2.exf3#
- 1...Sg6
- 2.exf3#
- 1...Rxb7!
- threat
- 1.Qa2?
- threat
- 2.Sfxd3#
- 1...Qxa2
- 2.cxd3#
- 1...Sxc1
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sxf4
- 2.d3#
- 1...Sxe5
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 2.Rxe5#
- 2.d3#
- 1...Qb3
- 2.cxd3#
- 1...Rb3
- 2.Bxd3#
- 1...Rc4
- 2.Sexd3#
- 1...Bh3
- 2.exd3#
- 1...Se1
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sb2
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sb4
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sc5
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sg2
- 2.exf3#
- 1...Sg6
- 2.exf3#
- 1...Bxd2!
- threat
- 1.Sfg6+?
- Keys
- 1.Qb3!
- threat
- 2.Sfxd3#
- 1...Qxb3
- 2.cxd3#
- 1...Rxb3
- 2.Bxd3#
- 1...Bxd2
- 2.Qxd3#
- 1...Sxc1
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sxf4
- 2.d3#
- 1...Sxe5
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 2.Rxe5#
- 2.d3#
- 1...Rc4
- 2.Sexd3#
- 1...Bh3
- 2.exd3#
- 1...Se1
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sb2
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sb4
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sc5
- 2.Sg2#
- 2.Sfd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se6#
- 2.Sfg6#
- 1...Sg2
- 2.exf3#
- 1...Sg6
- 2.exf3#
- threat
- 1.Qb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 20
- Sets
- Q(a);N_GUARD::P(B),XS(e)
- Q(a);N_GUARD,XB(A)::P(B),XS(e)
- R(k);OGATE::B(K),XS(e)
- R(k);OGATE,P_PINP(L)::B(K),XS(e)
- R(l);N_GUARD::R(N)+S(I),XS(e)
- R(l);N_GUARD,P_PINP(L)::R(N)+S(I),XS(e)
- B(b);N_GUARD::P(D),XS(e)
- B(d);OGATE::QAB1(E),XS(e)
- B(d);OGATE,XP(C)::QAB1(E),XS(e)
- S(j);N_GUARD::P(D),XP(f)
- Tries
- Try
- S(F);CHECK
- Vars
- K(i);S_CUTS(e),S_FLIGHT,XP(H)::S(F)
- Refutation
- S(e);P_SPINS(e)
- Try
- S(I);CHECK,XP(f)
- Refutation
- R(l);XR(N)
- Try
- S(I);CHECK
- Refutation
- R(l);XR(N)
- Try
- S(I);CHECK
- Refutation
- R(l);XR(N)
- Try
- S(I);CHECK
- Refutation
- R(l);XR(N)
- Try
- S(I);CHECK
- Refutation
- R(l);XR(N)
- Try
- S(I);CHECK
- Refutation
- R(l);XR(N)
- Try
- B(K);
- Threat
- R(G)+S(F),XS(e)
- Vars
- B(d);OGATE,XP(C)::QAB1(E),XS(e)
- S(e);OGATE,P_SPINS(e),XS(F)::P(C)
- R(l);N_GUARD,P_PINP(L)::R(N)+S(I),XS(e)
- B(b);N_GUARD::P(D),XS(e)
- S(j);N_GUARD::P(D),XP(f)
- Refutation
- R(k);XB(K)
- Try
- Q(E);
- Threat
- R(G)+S(F),XS(e)
- Vars
- Q(a);N_GUARD,XQ(E)::P(B),XS(e)
- S(e);OGATE,P_SPINS(e),XS(F)::P(C)
- Q(a);N_GUARD::P(B),XS(e)
- R(k);OGATE::B(K),XS(e)
- R(l);N_GUARD::R(N)+S(I),XS(e)
- B(b);N_GUARD::P(D),XS(e)
- S(j);N_GUARD::P(D),XP(f)
- Refutation
- B(d);XP(C)
- Try
- Actual
- Q(E);
- Threat
- R(G)+S(F),XS(e)
- Vars
- Q(a);N_GUARD,XQ(E)::P(B),XS(e)
- R(k);OGATE,XQ(E)::B(K),XS(e)
- B(d);OGATE,XP(C)::QAB1(E),XS(e)
- S(e);OGATE,P_SPINS(e),XS(F)::P(C)
- R(l);N_GUARD::R(N)+S(I),XS(e)
- B(b);N_GUARD::P(D),XS(e)
- S(j);N_GUARD::P(D),XP(f)
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