MESON Chess Problem Database
Problem Display
PID: 261193 (1q2N3/1Qp2p1p/B2R2Pp/3r1P1k/2nb1B2/4P1K1/6P1/1r2R3 w - - 0 1)
Jaeger, Peter R
Neue Zurcher Zeitung, 1977
#2
11 + 10
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Rh1#
- 1...Rb3
- 2.Rh1#
- 1...Rb4
- 2.Rh1#
- 1...Rbb5
- 2.Rh1#
- 1...Rb6
- 2.Rh1#
- 1...Rxb7
- 2.Rh1#
- 1...Ra5
- 2.Qf3#
- 1...Rdb5
- 2.Qf3#
- 1...Rc5
- 2.Qf3#
- 1...Re5
- 2.Sf6#
- 2.Sg7#
- 2.Qf3#
- 1...Rxf5
- 2.Qf3#
- 1...Rxd6
- 2.Qf3#
- 1...Bxe3
- 2.Sf6#
- 2.Sg7#
- 1...Bc5
- 2.Sf6#
- 2.Sg7#
- 1...Bb6
- 2.Sf6#
- 2.Sg7#
- 1...Bf6
- 2.Sxf6#
- 1...Ba7
- 2.Sf6#
- 2.Sg7#
- 1...Bg7
- 2.Sxg7#
- 1...Sb2
- 2.Be2#
- 1...Sa3
- 2.Be2#
- 1...Sa5
- 2.Be2#
- 1...Se5
- 2.Sf6#
- 2.Sg7#
- 1...Sb6
- 2.Be2#
- 1...Sxd6
- 2.Be2#
- 1...f6
- 2.Sg7#
- 1...Rb2
- Tries
- 1.Kh3?
- threat
- 2.g4#
- 1...Se5
- 2.Sf6#
- 2.Sg7#
- 1...Sxe3!
- threat
- 1.Bxc4?
- threat
- 2.Be2#
- 1...Rb2
- 2.Rh1#
- 1...Rxe1!
- threat
- 1.Rxb1?
- threat
- 2.Rh1#
- 1...Bf6
- 2.Sxf6#
- 1...Qd8!
- threat
- 1.Rf6?
- threat
- 2.Sg7#
- 1...Bxf6
- 2.Sxf6#
- 1...Qxe8!
- threat
- 1.Qxb1?
- threat
- 2.Rh1#
- 2.Qd1#
- 1...Bxe3
- 2.Sf6#
- 2.Sg7#
- 2.Rh1#
- 1...Sxe3
- 2.Rh1#
- 1...Qb2
- 2.Rh1#
- 1...Qb3
- 2.Rh1#
- 1...Qd8
- 2.Qd1#
- 1...Ba1
- 2.Rh1#
- 1...Bb2
- 2.Rh1#
- 1...Bc3
- 2.Rh1#
- 1...Bc5
- 2.Sf6#
- 2.Sg7#
- 2.Rh1#
- 1...Be5
- 2.Rh1#
- 1...Bb6
- 2.Sf6#
- 2.Sg7#
- 2.Rh1#
- 1...Bf6
- 2.Sxf6#
- 1...Ba7
- 2.Sf6#
- 2.Sg7#
- 2.Rh1#
- 1...Bg7
- 2.Sxg7#
- 2.Rh1#
- 1...Bh8
- 2.Rh1#
- 1...Sb2
- 2.Be2#
- 2.Rh1#
- 1...Sd2
- 2.Rh1#
- 1...Se5
- 2.Sf6#
- 2.Sg7#
- 2.Rh1#
- 1...Qxb1!
- threat
- 1.gxf7?
- threat
- 2.Rxh6#
- 1...Rxd6
- 2.Qf3#
- 1...Sxd6
- 2.Be2#
- 1...Rb6
- 2.Rh1#
- 1...Bf6
- 2.Sxf6#
- 1...Bg7
- 2.Sxg7#
- 1...cxd6!
- threat
- 1.g7?
- threat
- 2.Rxh6#
- 1...Rxd6
- 2.Qf3#
- 1...Bxg7
- 2.Sxg7#
- 1...Sxd6
- 2.Be2#
- 1...cxd6
- 2.Qxf7#
- 1...Rb6
- 2.Rh1#
- 1...Bf6
- 2.Sxf6#
- 1...f6!
- threat
- 1.Kh3?
- Keys
- 1.gxh7!
- threat
- 2.Rxh6#
- 1...Rxd6
- 2.Qf3#
- 1...Sxd6
- 2.Be2#
- 1...cxd6
- 2.Qxf7#
- 1...Rb6
- 2.Rh1#
- 1...Bf6
- 2.Sxf6#
- 1...Bg7
- 2.Sxg7#
- 1...f6
- 2.Sg7#
- threat
- 1.gxh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- R(a);N_GUARD::R(A)
- R(a);N_GUARD,P_PINP(C)::R(A)
- R(a);N_GUARD,XQ(J)::R(A)
- R(d);OGATE,SBLOCK::QAB(J)
- R(d);OGATE::QAB(J)
- R(d);OGATE,XP(F)::QAB(J)
- R(d);OGATE,XR(H)::QAB(J)
- B(c);N_GUARD::S(K),XB(c)
- S(b);OGATE::B(G)
- S(b);OGATE,SBLOCK::B(G)
- S(b);OGATE,XR(H)::B(G)
- P(h);S_CUTB(c)::S(K)
- Tries
- Try
- K(D);P-FLIGHT
- Threat
- P(B)
- Refutation
- S(b);XP(C)
- Try
- B(G);XS(b)
- Threat
- B(G)
- Vars
- R(a);N_GUARD::R(A)
- Refutation
- R(a);XR(A)
- Try
- R(A);XR(a)
- Threat
- R(A)
- Vars
- B(c);N_GUARD::S(K),XB(c)
- Refutation
- Q(j);
- Try
- R(H);
- Threat
- S(K)
- Vars
- B(c);XR(H)::S(K),XB(c)
- Refutation
- Q(j);XS(K)
- Try
- Q(J);XR(a)
- Threat
- DUALS(2)
- Vars
- S(b);XP(C)::R(A)
- Q(j);::R(A)
- Q(j);P_PINP(C)::R(A)
- Q(j);::QAB(J)
- B(c);::R(A)
- B(c);P_PINB(E)::R(A)
- B(c);N_GUARD::S(K),XB(c)
- S(b);::R(A)
- Refutation
- Q(j);XQ(J)
- Try
- P(I);XP(h)
- Threat
- R1(H),XP(f)
- Vars
- R(d);OGATE,XR(H)::QAB(J)
- S(b);OGATE,XR(H)::B(G)
- R(a);N_GUARD::R(A)
- B(c);N_GUARD::S(K),XB(c)
- Refutation
- P(g);XR(H)
- Try
- P(I);
- Threat
- R1(H),XP(f)
- Vars
- R(d);OGATE,XR(H)::QAB(J)
- B(c);XP(I)::S(K),XB(c)
- S(b);OGATE,XR(H)::B(G)
- P(g);OGATE,XR(H)::QAB(J),XP(h)
- R(a);N_GUARD::R(A)
- B(c);N_GUARD::S(K),XB(c)
- Refutation
- P(h);
- Try
- Actual
- P(I);XP(i)
- Threat
- R1(H),XP(f)
- Vars
- R(d);OGATE,XR(H)::QAB(J)
- S(b);OGATE,XR(H)::B(G)
- P(g);OGATE,XR(H)::QAB(J),XP(h)
- R(a);N_GUARD::R(A)
- B(c);N_GUARD::S(K),XB(c)
- P(h);S_CUTB(c)::S(K)
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