MESON Chess Problem Database
Problem Display
PID: 7940 (5B2/1pP2b1q/N1B4r/b3P2p/P1k1N3/3R1Rp1/1rPp2K1/8 w - - 0 1)
Prins, Hendrik
3rd HM., The Problemist, 1994
#2
11 + 10
| 3681 | FIDE Album (1992-1994) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Bb5#
- 1...Rxc2
- 2.Bb5#
- 1...Rb3
- 2.cxb3#
- 1...Rb4
- 2.Sxd2#
- 1...Rb5
- 2.Bxb5#
- 1...Rd6
- 2.Sxd6#
- 1...Re6
- 2.Bd5#
- 1...Bb4
- 2.Bb5#
- 1...Bb6
- 2.Sxd2#
- 1...Bxc7
- 2.Sxd2#
- 1...Bd5
- 2.Bxd5#
- 1...Be6
- 2.Sd6#
- 1...Bg6
- 2.Sd6#
- 2.Bd5#
- 1...Be8
- 2.Bd5#
- 1...Ra2
- Tries
- 1.Sb4?
- threat
- 2.Sxd2#
- 2.Bb5#
- 1...Qxe4
- 2.Bb5#
- 1...Rxc2
- 2.Bb5#
- 1...Rxb4
- 2.Sxd2#
- 1...Rxc6
- 2.Sxd2#
- 1...Bxb4
- 2.Bb5#
- 1...bxc6
- 2.Sxd2#
- 1...d1Q
- 2.Bb5#
- 1...d1S
- 2.Sd2#
- 2.Bb5#
- 1...d1B
- 2.Sd2#
- 2.Bb5#
- 1...d1R
- 2.Bb5#
- 1...Be8
- 2.Sxd2#
- 2.Bd5#
- 1...b5
- 2.Sxd2#
- 2.Bxb5#
- 1...Rd6!
- threat
- 1.Bb4?
- threat
- 2.Sxd2#
- 2.Bb5#
- 1...Qxe4
- 2.Bb5#
- 1...Rxc2
- 2.Bb5#
- 1...Rxb4
- 2.Sxd2#
- 1...Rxc6
- 2.Sxd2#
- 1...Bxb4
- 2.Bb5#
- 1...bxc6
- 2.Sxd2#
- 1...d1Q
- 2.Bb5#
- 1...d1S
- 2.Sd2#
- 2.Bb5#
- 1...d1B
- 2.Sd2#
- 2.Bb5#
- 1...d1R
- 2.Bb5#
- 1...Be8
- 2.Sxd2#
- 2.Bd5#
- 1...b5
- 2.Sxd2#
- 2.Bxb5#
- 1...bxa6!
- threat
- 1.e6?
- threat
- 2.Sd6#
- 2.Bd5#
- 1...Rxe6
- 2.Bd5#
- 1...Bxc7
- 2.Sxd2#
- 2.Bd5#
- 1...Bxe6
- 2.Sd6#
- 1...bxa6
- 2.Bd5#
- 1...bxc6
- 2.Sd6#
- 1...Qf5
- 2.Sd6#
- 1...Rb5
- 2.Sd6#
- 2.Bxb5#
- 1...Bb4
- 2.Bb5#
- 2.Bd5#
- 1...Qxe4!
- threat
- 1.c8Q?
- threat
- 2.Bb5#
- 2.Bd5#
- 1...Rxc6
- 2.Sd6#
- 1...Rb5
- 2.Bxb5#
- 2.Bd5#
- 1...Bc7
- 2.Sxd2#
- 1...Bd5
- 2.Bb5#
- 2.Bxd5#
- 1...b5
- 2.Bxb5#
- 2.Bd5#
- 1...bxc6!
- threat
- 1.c8R?
- threat
- 2.Bb5#
- 2.Bd5#
- 1...Rxc6
- 2.Sd6#
- 1...Rb5
- 2.Bxb5#
- 2.Bd5#
- 1...Bc7
- 2.Sxd2#
- 1...Bd5
- 2.Bb5#
- 2.Bxd5#
- 1...b5
- 2.Bxb5#
- 2.Bd5#
- 1...bxc6!
- threat
- 1.Sb4?
- Keys
- 1.Rf4!
- threat
- 2.Sxd2#
- 2.Sd6#
- 1...Qxe4+
- 2.Rxe4#
- 1...Rxc2
- 2.Bb5#
- 1...bxa6
- 2.Sxd2#
- 1...d1Q
- 2.Sd2#
- 2.Sd6#
- 1...d1S
- 2.Sd2#
- 2.Sd6#
- 1...d1B
- 2.Sd2#
- 2.Sd6#
- 1...d1R
- 2.Sd2#
- 2.Sd6#
- 1...Rd6
- 2.Sxd2#
- 2.Sxd6#
- 1...Bd5
- 2.Bxd5#
- threat
- 1.Rf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- R(a);N_GUARD::B(I)
- R(a);N_GUARD,XP(A)::B(I)
- R(a);OGATE::P(A),XR(a)
- R(a);S_CUTB(e)::S(F),XP(b)
- R(a);N_GUARD::B(I),XR(a)
- R(g);N_GUARD::S(F),XR(g)
- R(g);S_CUTB(i)::B(I)
- B(e);S_CUTR(a)::B(I)
- B(e);N_GUARD::S(F),XP(b)
- B(e);N_GUARD,XP(J)::S(F),XP(b)
- B(i);N_GUARD::B(I),XB(i)
- B(i);S_CUTR(g)::S(F)
- B(i);N_GUARD::B(I)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(j);P_PINR(D),XS(F)::B(I)
- R(a);XP(A)::B(I)
- R(a);XS(H)::S(F),XP(b)
- R(g);XB(I)::S(F),XP(b)
- B(e);XS(H)::B(I)
- P(h);XB(I)::S(F),XP(b)
- P(b);P_PINP(A)::B(I)
- Refutation
- R(g);
- Try
- B(K);
- Threat
- DUALS(2)
- Vars
- Q(j);P_PINR(D),XS(F)::B(I)
- R(a);XP(A)::B(I)
- R(a);XB(K)::S(F),XP(b)
- R(g);XB(I)::S(F),XP(b)
- B(e);XB(K)::B(I)
- P(h);XB(I)::S(F),XP(b)
- P(b);P_PINP(A)::B(I)
- Refutation
- P(h);XS(H)
- Try
- P(G);
- Threat
- DUALS(2)
- Vars
- R(g);XP(G)::B(I)
- B(i);XP(G)::S(F)
- P(h);XS(H)::B(I)
- P(h);XB(I)::S(F)
- Q(j);::S(F)
- Refutation
- Q(j);P_PINR(D),XS(F)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD,P_SPINR(g),XB(I)::S(F)
- B(e);N_GUARD::S(F),XP(b)
- Refutation
- P(h);P_SPINP(h),XB(I)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD,P_SPINR(g),XB(I)::S(F)
- B(e);N_GUARD::S(F),XP(b)
- Refutation
- P(h);P_SPINP(h),XB(I)
- Try
- Actual
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(j);CHECK,OGATE,P_SPINQ(j),XS(F)::R(D),XQ(j)
- R(a);N_GUARD,XP(A)::B(I)
- P(h);XS(H)::R(D)+S(F),DCHECK,XP(b)
- B(i);N_GUARD,P_PINS(F)::B(I),XB(i)
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