MESON Chess Problem Database
Problem Display
PID: 135708 (7B/3p4/1Kp1P2Q/1p1BRP2/3k2N1/N1p1p2R/2Pq4/5r2 w - - 0 1)
Janevski, Zivko
The Problemist, 2010
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Qxe3#
- 1...Qxc2
- 2.Qxe3#
- 1...Qg2
- 2.Qxe3#
- 1...Qh2
- 2.Qxe3#
- 1...Ra1
- 2.Qf4#
- 1...Rb1
- 2.Qf4#
- 1...Rc1
- 2.Qf4#
- 1...Rd1
- 2.Qf4#
- 1...Re1
- 2.Qf4#
- 1...Rg1
- 2.Qf4#
- 1...Rh1
- 2.Qf4#
- 1...Rf4
- 2.Qxf4#
- 1...Rxf5
- 2.Rxf5#
- 1...cxd5
- 2.Rexe3#
- 1...c5
- 2.Sxb5#
- 1...Qd1
- Tries
- 1.Bh1?
- threat
- 2.Rexe3#
- 2.Rxb5#
- 2.Rc5#
- 2.Rd5#
- 1...Qxc2
- 2.Rexe3#
- 2.Rd5#
- 2.Qxe3#
- 1...Rxh1
- 2.Qf4#
- 1...Rxf5
- 2.Rd5#
- 2.Rxf5#
- 1...dxe6
- 2.Rd5#
- 2.Rxe6#
- 1...Qg2
- 2.Qxe3#
- 1...Qh2
- 2.Rd5#
- 2.Qxe3#
- 1...e2
- 2.Rxe2#
- 2.Ree3#
- 2.Rxb5#
- 2.Rc5#
- 2.Rd5#
- 1...b4
- 2.Rexe3#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 1...c5
- 2.Rexe3#
- 2.Rxc5#
- 2.Rd5#
- 1...d5
- 2.Rexe3#
- 2.Re4#
- 2.Rxd5#
- 1...Rf3!
- threat
- 1.Ba2?
- threat
- 2.Rexe3#
- 1...dxe6
- 2.Rxe6#
- 1...Qh2
- 2.Qxe3#
- 1...e2
- 2.Rxe2#
- 2.Ree3#
- 1...Rxf5!
- threat
- 1.Bg2?
- threat
- 2.Rexe3#
- 2.Rxb5#
- 2.Rc5#
- 2.Rd5#
- 1...Qxc2
- 2.Rexe3#
- 2.Rd5#
- 2.Qxe3#
- 1...Qxg2
- 2.Qxe3#
- 1...Rxf5
- 2.Rd5#
- 2.Rxf5#
- 1...dxe6
- 2.Rd5#
- 2.Rxe6#
- 1...e2
- 2.Rxe2#
- 2.Ree3#
- 2.Rxb5#
- 2.Rc5#
- 2.Rd5#
- 1...b4
- 2.Rexe3#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 1...c5
- 2.Rexe3#
- 2.Rxc5#
- 2.Rd5#
- 1...d5
- 2.Rexe3#
- 2.Re4#
- 2.Rxd5#
- 1...Rf3!
- threat
- 1.Bb3?
- threat
- 2.Rexe3#
- 1...dxe6
- 2.Rxe6#
- 1...Qh2
- 2.Qxe3#
- 1...e2
- 2.Rxe2#
- 2.Ree3#
- 1...Rxf5!
- threat
- 1.Bf3?
- threat
- 2.Rxe3#
- 2.Rxb5#
- 2.Rc5#
- 2.Rd5#
- 2.Qf4#
- 1...Qxc2
- 2.Rxe3#
- 2.Rd5#
- 2.Qxe3#
- 1...dxe6
- 2.Rd5#
- 2.Rxe6#
- 2.Qf4#
- 1...Qh2
- 2.Rd5#
- 2.Qxe3#
- 1...Qd3
- 2.Rxe3#
- 2.Rxb5#
- 2.Rc5#
- 2.Rd5#
- 1...e2
- 2.Rxe2#
- 2.Re3#
- 2.Rxb5#
- 2.Rc5#
- 2.Rd5#
- 1...b4
- 2.Rxe3#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Qf4#
- 1...c5
- 2.Rxe3#
- 2.Rxc5#
- 2.Rd5#
- 2.Qf4#
- 1...d5
- 2.Rxe3#
- 2.Re4#
- 2.Rxd5#
- 2.Qf4#
- 1...Rxf3!
- threat
- 1.Bxc6?
- threat
- 2.Rexe3#
- 2.Re4#
- 2.Rxb5#
- 2.Rc5#
- 1...Qxc2
- 2.Rexe3#
- 2.Qxe3#
- 1...Rxf5
- 2.Re4#
- 2.Rxf5#
- 1...dxe6
- 2.Re4#
- 2.Rxe6#
- 1...Qh2
- 2.Re4#
- 2.Qxe3#
- 1...e2
- 2.Rxe2#
- 2.Ree3#
- 2.Re4#
- 2.Rxb5#
- 2.Rc5#
- 1...b4
- 2.Rexe3#
- 2.Re4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 1...d5
- 2.Rexe3#
- 1...dxc6!
- threat
- 1.Rhxe3?
- threat
- 2.R3e4#
- 1...Qxe3
- 2.Qxe3#
- 1...Qxc2
- 2.Sxc2#
- 1...cxd5
- 2.R5e4#
- 1...Qe1
- 2.Rd3#
- 1...Qg2
- 2.Rd3#
- 1...Qd3
- 2.Rxd3#
- 1...Re1
- 2.Qf4#
- 1...Rf4
- 2.Qxf4#
- 1...Qe2!
- threat
- 1.Bh1?
- Keys
- 1.Sxe3!
- threat
- 2.Re4#
- 1...Qxe3
- 2.Qxe3#
- 1...Qxc2
- 2.Sexc2#
- 1...cxd5
- 2.Sxb5#
- threat
- 1.Sxe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- Q(b);N_GUARD::QAB1(J),XP(d)
- Q(b);N_GUARD,XP(A)::QAB1(J),XP(d)
- R(a);N_GUARD::QAR2(J)
- R(a);N_GUARD::QAR2(J),XR(a)
- R(a);OGATE,XP(G)::B(K)+R(F),XR(a)
- P(g);SBLOCK,XB(E)::B(K)+R(F),XP(d)
- P(g);N_GUARD::S(B),XP(f)
- Tries
- Try
- B(E);
- Threat
- DUALS(4)
- Vars
- R(a);N_GUARD,XB(E)::QAR2(J)
- Q(b);N_GUARD::QAB1(J),XP(d)
- Refutation
- R(a);
- Try
- B(E);
- Threat
- B(K)+R(F),XP(d)
- Vars
- P(h);OGATE,XP(I)::B(K)+R(F),XP(h)
- Q(b);N_GUARD::QAB1(J),XP(d)
- Refutation
- R(a);XP(G)
- Try
- B(E);
- Threat
- DUALS(4)
- Vars
- Q(b);N_GUARD,XB(E)::QAB1(J),XP(d)
- Refutation
- R(a);
- Try
- B(E);
- Threat
- B(K)+R(F),XP(d)
- Vars
- P(h);OGATE,XP(I)::B(K)+R(F),XP(h)
- Q(b);N_GUARD::QAB1(J),XP(d)
- Refutation
- R(a);XP(G)
- Try
- B(E);
- Threat
- DUALS(5)
- Refutation
- R(a);XB(E)
- Try
- B(E);XP(g)
- Threat
- DUALS(4)
- Vars
- P(h);::B(K)+R(F),XP(d)
- Refutation
- P(h);XB(E)
- Try
- R(C);XP(d)
- Threat
- R1(C)
- Vars
- Q(b);OGATE,XR(C)::QAB1(J),XQ(b)
- Q(b);XP(A)::S(B),XQ(b)
- P(g);SBLOCK,XB(E)::B(K)+R(F),DCHECK
- Q(b);N_GUARD::R1(C)
- Q(b);N_GUARD::R1(C),XQ(b)
- R(a);N_GUARD::QAR2(J)
- R(a);N_GUARD::QAR2(J),XR(a)
- Refutation
- Q(b);
- Try
- Actual
- S(D);XP(d)
- Threat
- B(K)+R(F),DCHECK
- Vars
- Q(b);OGATE,XS(D)::QAB1(J),XQ(b)
- Q(b);XP(A)::S(D),XQ(b)
- P(g);N_GUARD,XB(E)::S(B),XP(f)
Developed and maintained by Brian Stephenson.
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