MESON Chess Problem Database
Problem Display
PID: 59583 (7q/1p1Q4/Bp5b/rr5P/1R1PkBpp/1n6/pN2NPP1/4R1K1 w - - 0 1)
Markovtsy, Vassyl Yuriovich
The Problemist, 2005
#2
12 + 11
SOLUTION
- SOUND
- Sets
- 1...Rxb4
- 2.Bd3#
- 1...Rc5
- 2.Bd3#
- 1...Rd5
- 2.Bd3#
- 1...Re5
- 2.Bd3#
- 1...Rf5
- 2.Bd3#
- 1...Rg5
- 2.Bd3#
- 1...Rxh5
- 2.Bd3#
- 1...Bxf4
- 2.Sc3#
- 2.Sg3#
- 1...g3
- 2.f3#
- 1...Rxb4
- Tries
- 1.Bh2?
- threat
- 2.Sc3#
- 2.Sf4#
- 1...a1Q
- 2.Sc3#
- 1...a1R
- 2.Sc3#
- 1...Bc1
- 2.Sxc1#
- 2.Sc3#
- 1...Bd2
- 2.Sc3#
- 1...Be3
- 2.Sc3#
- 1...Bf4
- 2.Sc3#
- 2.Sg3#
- 2.Sxf4#
- 1...Sc1
- 2.Sc3#
- 1...g3!
- threat
- 1.Bg3?
- threat
- 2.Sc3#
- 2.Sf4#
- 1...a1Q
- 2.Sc3#
- 1...a1R
- 2.Sc3#
- 1...Bc1
- 2.Sxc1#
- 2.Sc3#
- 1...Bd2
- 2.Sc3#
- 1...Be3
- 2.Sc3#
- 1...Bf4
- 2.Sc3#
- 2.Sxf4#
- 1...Sc1
- 2.Sc3#
- 1...hxg3!
- threat
- 1.Be5?
- threat
- 2.Sc3#
- 2.Sg3#
- 2.Sf4#
- 1...Rxe5
- 2.Bd3#
- 1...a1Q
- 2.Sc3#
- 2.Sg3#
- 1...a1R
- 2.Sc3#
- 2.Sg3#
- 1...Bc1
- 2.Sxc1#
- 2.Sc3#
- 2.Sg3#
- 1...Bd2
- 2.Sc3#
- 2.Sg3#
- 1...Be3
- 2.Sc3#
- 1...Bf4
- 2.Sc3#
- 2.Sg3#
- 2.Sxf4#
- 1...Sc1
- 2.Sc3#
- 2.Sg3#
- 1...g3
- 2.Sc3#
- 2.Sxg3#
- 2.Sf4#
- 1...Qxe5!
- threat
- 1.Bg5?
- threat
- 2.Sc1#
- 2.Sc3#
- 2.Sg3#
- 2.Sf4#
- 1...Rxg5
- 2.Bd3#
- 1...a1Q
- 2.Sc1#
- 2.Sc3#
- 2.Sg3#
- 1...a1R
- 2.Sc1#
- 2.Sc3#
- 2.Sg3#
- 1...Sc1
- 2.Sxc1#
- 2.Sc3#
- 2.Sg3#
- 1...g3
- 2.Sc1#
- 2.Sc3#
- 2.Sxg3#
- 2.Sf4#
- 2.f3#
- 1...Bxg5!
- threat
- 1.Bxh6?
- threat
- 2.Sc1#
- 2.Sc3#
- 2.Sg3#
- 2.Sf4#
- 1...a1Q
- 2.Sc1#
- 2.Sc3#
- 2.Sg3#
- 1...a1R
- 2.Sc1#
- 2.Sc3#
- 2.Sg3#
- 1...Rg5
- 2.Bd3#
- 1...Sc1
- 2.Sxc1#
- 2.Sc3#
- 2.Sg3#
- 1...g3
- 2.Sc1#
- 2.Sc3#
- 2.Sxg3#
- 2.Sf4#
- 2.f3#
- 1...Qxh6!
- threat
- 1.Bc7?
- threat
- 2.Sc3#
- 2.Sg3#
- 2.Sf4#
- 1...a1Q
- 2.Sc3#
- 2.Sg3#
- 1...a1R
- 2.Sc3#
- 2.Sg3#
- 1...Re5
- 2.Bd3#
- 1...Bc1
- 2.Sxc1#
- 2.Sc3#
- 2.Sg3#
- 1...Bd2
- 2.Sc3#
- 2.Sg3#
- 1...Be3
- 2.Sc3#
- 1...Bf4
- 2.Sc3#
- 2.Sg3#
- 2.Sxf4#
- 1...Sc1
- 2.Sc3#
- 2.Sg3#
- 1...g3
- 2.Sc3#
- 2.Sxg3#
- 2.Sf4#
- 1...Qe5!
- threat
- 1.Qxg4?
- threat
- 2.Sc3#
- 1...Kd5
- 2.Bxb7#
- 1...Rxb4!
- threat
- 1.Qc6+?
- 1...Kf5
- 2.Qg6#
- 1...Rd5
- 2.Bd3#
- 2.Qc2#
- 1...bxc6!
- 1...Kf5
- 1.Qe6+?
- 1...Re5
- 2.Bd3#
- 1...Qe5!
- 1...Re5
- 1.Qd5+?
- 1...Rxd5
- 2.Bd3#
- 1...Kxd5!
- 1...Rxd5
- 1.Qd6?
- threat
- 2.Sg3#
- 1...Kf5
- 2.Qg6#
- 1...Re5
- 2.Bd3#
- 1...g3
- 2.Sxg3#
- 1...Qe5!
- threat
- 1.Qxb7+?
- 1...Rd5
- 2.Bd3#
- 1...Kf5!
- 1...Rd5
- 1.Qf7?
- threat
- 2.Sc1#
- 2.Sc3#
- 2.Sg3#
- 1...Rxb4
- 2.Bd3#
- 1...Bxf4
- 2.Sc3#
- 2.Sg3#
- 2.Sxf4#
- 1...Rf5
- 2.Bd3#
- 1...Sc1
- 2.Sxc1#
- 2.Sc3#
- 2.Sg3#
- 1...g3
- 2.Sc1#
- 2.Sc3#
- 2.Sxg3#
- 2.f3#
- 1...Qf6!
- threat
- 1.d5+?
- 1...Qd4
- 2.Qe6#
- 1...Rxb4
- 2.Bd3#
- 1...Sd4!
- 1...Qd4
- 1.Bh2?
- Keys
- 1.Sd3!
- threat
- 2.Sec1#
- 1...Kxd3
- 2.Qf5#
- 1...Bxf4
- 2.Sexf4#
- 1...Sc1
- 2.Sexc1#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- R(g);OGATE,XR(G)::B(K)
- R(g);OGATE::B(K)
- R(g);OGATE,XP(J)::B(K)
- P(d);N_GUARD::P(E)
- Tries
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- P(a);P_PINR(A)::R(A)+S(D),DCHECK
- B(i);::R(A)+S(D),DCHECK
- B(i);P_PINP(E)::S(D)
- S(b);::R(A)+S(D),DCHECK
- Refutation
- P(d);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- P(a);P_PINR(A)::R(A)+S(D),DCHECK
- B(i);::R(A)+S(D),DCHECK
- B(i);P_PINP(E)::S(D)
- S(b);::R(A)+S(D),DCHECK
- Refutation
- P(e);XB(I)
- Try
- B(I);
- Threat
- DUALS(3)
- Vars
- R(g);OGATE,XB(I)::B(K)
- B(i);P_PINP(E)::S(D)
- Refutation
- Q(k);XB(I)
- Try
- B(I);
- Threat
- DUALS(4)
- Vars
- R(g);OGATE,XB(I)::B(K)
- Refutation
- B(i);XB(I)
- Try
- B(I);XB(i)
- Threat
- DUALS(4)
- Vars
- R(g);OGATE::B(K)
- Refutation
- Q(k);XB(I)
- Try
- B(I);
- Threat
- DUALS(3)
- Vars
- R(g);OGATE::B(K)
- B(i);P_PINP(E)::S(D)
- Refutation
- Q(k);
- Try
- Q(L);XP(d)
- Threat
- R(A)+S(D),DCHECK
- Vars
- K(c);S_FLIGHT::B(K),XP(j)
- Refutation
- R(g);XR(G)
- Try
- Q(L);CHECK
- Vars
- K(c);S_FLIGHT::QAB1(L)
- Refutation
- P(j);XQ(L)
- Try
- Q(L);CHECK
- Vars
- R(g);OGATE,P_SPINR(g)::B(K)
- Refutation
- Q(k);P_SPINQ(k)
- Try
- Q(L);CHECK
- Vars
- R(g);OGATE,SBLOCK,XQ(L)::B(K)
- Refutation
- K(c);S_FLIGHT,XQ(L)
- Try
- Q(L);
- Threat
- R(A)+S(D),DCHECK
- Vars
- K(c);S_FLIGHT::QAB1(L)
- R(g);OGATE::B(K)
- P(d);::R(A)+S(D),DCHECK,XP(d)
- Refutation
- Q(k);
- Try
- Q(L);CHECK,XP(j)
- Vars
- R(g);OGATE,P_SPINR(g)::B(K)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(L);
- Threat
- DUALS(3)
- Vars
- R(g);OGATE,XR(G)::B(K)
- R(g);OGATE::B(K)
- Refutation
- Q(k);
- Try
- P(H);CHECK
- Vars
- Q(k);P_PINP(E),P_SPINQ(k)::QAR2(L)
- R(g);OGATE,XR(G)::B(K)
- Refutation
- S(b);P_SPINS(b)
- Try
- Actual
- S(C);
- Threat
- R(A)+S(D)
- Vars
- K(c);P_SPINR(g),S_FLIGHT,XS(C)::QAB(L)
- B(i);XB(I)::R(A)+S(D),XB(i)
- S(b);::R(A)+S(D),XS(b)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).