MESON Chess Problem Database
Problem Display
PID: 58008 (8/4p3/3pR2N/1Q2p1rp/2pk1p1p/5P1P/2PBb2N/K3R3 w - - 0 1)
Jensen, W
4th Prize, Nuova Rivista degli Scacchi, 1883
#2
10 + 10
| 15 | British Chess Magazine | 1884 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sf5#
- 1...Rg2
- 2.Sf5#
- 1...Rg3
- 2.Sf5#
- 1...Rg4
- 2.Sf5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 1...Rg7
- 2.Sf5#
- 1...Rg8
- 2.Sf5#
- 1...Bd1
- 2.Re4#
- 1...Bf1
- 2.Re4#
- 1...Bd3
- 2.c3#
- 1...Bxf3
- 2.Sxf3#
- 1...e4
- 2.Rxe4#
- 1...d5
- 2.Qb6#
- 1...Rg1
- Tries
- 1.Ka2?
- 1...Bxf3
- 2.Sxf3#
- 1...Rg1
- 2.Sf5#
- 1...Rg2
- 2.Sf5#
- 1...Rg3
- 2.Sf5#
- 1...Rg4
- 2.Sf5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 1...Rg7
- 2.Sf5#
- 1...Rg8
- 2.Sf5#
- 1...Bd1
- 2.Re4#
- 1...Bf1
- 2.Re4#
- 1...Bd3
- 2.c3#
- 1...e4
- 2.Rxe4#
- 1...d5
- 2.Qb6#
- 1...c3!
- 1...Bxf3
- 1.Kb2?
- 1...Bxf3
- 2.Sxf3#
- 2.Bc3#
- 1...Rg1
- 2.Sf5#
- 1...Rg2
- 2.Sf5#
- 1...Rg3
- 2.Sf5#
- 1...Rg4
- 2.Sf5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 1...Rg7
- 2.Sf5#
- 1...Rg8
- 2.Sf5#
- 1...Bd1
- 2.Bc3#
- 2.Re4#
- 1...Bf1
- 2.Bc3#
- 2.Re4#
- 1...Bd3
- 2.Bc3#
- 2.c3#
- 1...e4
- 2.Rxe4#
- 1...d5
- 2.Qb6#
- 1...c3+!
- 1...Bxf3
- 1.Bc3+?
- 1...Ke3
- 2.Qb6#
- 1...Kxc3!
- 1...Ke3
- 1.Bb4?
- 1...Ke3
- 2.Qb6#
- 1...Bxf3
- 2.Sxf3#
- 1...Rg1
- 2.Sf5#
- 1...Rg2
- 2.Sf5#
- 1...Rg3
- 2.Sf5#
- 1...Rg4
- 2.Sf5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 1...Rg7
- 2.Sf5#
- 1...Rg8
- 2.Sf5#
- 1...Bd1
- 2.Re4#
- 1...Bf1
- 2.Re4#
- 1...Bd3
- 2.c3#
- 1...e4
- 2.Rxe4#
- 1...d5
- 2.Qc5#
- 2.Qb6#
- 1...c3!
- 1...Ke3
- 1.Rxe2?
- threat
- 2.Re4#
- 1...e4
- 2.R2xe4#
- 2.R6xe4#
- 1...d5
- 2.Qb6#
- 1...Rg1+!
- threat
- 1.Rxe7?
- 1...Bxf3
- 2.Sxf3#
- 1...Rg1
- 2.Sf5#
- 1...Rg2
- 2.Sf5#
- 1...Rg3
- 2.Sf5#
- 1...Rg4
- 2.Sf5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 1...Rg7
- 2.Sf5#
- 1...Rg8
- 2.Sf5#
- 1...Bd1
- 2.Re4#
- 1...Bf1
- 2.Re4#
- 1...Bd3
- 2.c3#
- 1...e4
- 2.Rxe4#
- 1...d5
- 2.Qb6#
- 1...c3!
- 1...Bxf3
- 1.Qc6?
- 1...Bxf3
- 2.Sxf3#
- 1...Rg1
- 2.Sf5#
- 1...Rg2
- 2.Sf5#
- 1...Rg3
- 2.Sf5#
- 1...Rg4
- 2.Sf5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 1...Rg7
- 2.Sf5#
- 1...Rg8
- 2.Sf5#
- 1...Bd1
- 2.Re4#
- 1...Bf1
- 2.Re4#
- 1...Bd3
- 2.c3#
- 1...e4
- 2.Rxe4#
- 1...d5
- 2.Qb6#
- 1...c3!
- 1...Bxf3
- 1.Qa5?
- 1...Bxf3
- 2.Sxf3#
- 2.Bc3#
- 1...Rg1
- 2.Sf5#
- 1...Rg2
- 2.Sf5#
- 1...Rg3
- 2.Sf5#
- 1...Rg4
- 2.Sf5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 1...Rg7
- 2.Sf5#
- 1...Rg8
- 2.Sf5#
- 1...Bd1
- 2.Bc3#
- 2.Re4#
- 1...Bf1
- 2.Bc3#
- 2.Re4#
- 1...Bd3
- 2.Bc3#
- 2.c3#
- 1...e4
- 2.Rxe4#
- 1...d5
- 2.Qb6#
- 2.Qa7#
- 1...c3!
- 1...Bxf3
- 1.Ka2?
- Keys
- 1.Ba5!
- 1...Ke3
- 2.Qb6#
- 1...Bxf3
- 2.Sxf3#
- 1...c3
- 2.Bb6#
- 1...Rg1
- 2.Sf5#
- 1...Rg2
- 2.Sf5#
- 1...Rg3
- 2.Sf5#
- 1...Rg4
- 2.Sf5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 1...Rg7
- 2.Sf5#
- 1...Rg8
- 2.Sf5#
- 1...Bd1
- 2.Re4#
- 1...Bf1
- 2.Re4#
- 1...Bd3
- 2.c3#
- 1...e4
- 2.Rxe4#
- 1...d5
- 2.Qb6#
- 1...Ke3
- 1.Ba5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(g);N_GUARD,P_PINR(B)::S(J)
- R(g);N_GUARD::S(J)
- R(g);N_GUARD::S(J),XR(g)
- B(a);OGATE::R1(B)
- B(a);SBLOCK::P(C)
- B(a);XP(F)::S(E),XB(a)
- P(f);OGATE::R1(I),XP(f)
- P(i);SBLOCK::QAB(H)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- B(a);XP(F)::S(E),XB(a)
- R(g);N_GUARD::S(J)
- R(g);N_GUARD::S(J),XR(g)
- B(a);OGATE::R1(B)
- B(a);SBLOCK::P(C)
- P(f);OGATE::R1(I),XP(f)
- P(i);SBLOCK::QAB(H)
- Refutation
- P(b);
- Try
- K(A);S_FLIGHT
- Vars
- R(g);N_GUARD::S(J)
- R(g);N_GUARD::S(J),XR(g)
- P(f);OGATE::R1(I),XP(f)
- P(i);SBLOCK::QAB(H)
- Refutation
- P(b);CHECK
- Try
- B(D);CHECK
- Vars
- K(c);P_SPINB(a),P_SPINP(f),S_FLIGHT::QAB(H)
- Refutation
- K(c);S_FLIGHT,XB(D)
- Try
- B(D);
- Vars
- K(c);P_SPINB(a),P_SPINP(f),S_FLIGHT::QAB(H)
- B(a);XP(F)::S(E),XB(a)
- R(g);N_GUARD,P_PINR(B)::S(J)
- R(g);N_GUARD::S(J)
- R(g);N_GUARD::S(J),XR(g)
- B(a);OGATE::R1(B)
- B(a);SBLOCK::P(C)
- P(f);OGATE::R1(I),XP(f)
- Refutation
- P(b);
- Try
- R(B);XB(a)
- Threat
- R1(B)
- Vars
- P(i);SBLOCK::QAB(H)
- Refutation
- R(g);CHECK
- Try
- R(I);XP(j)
- Vars
- B(a);XP(F)::S(E),XB(a)
- R(g);N_GUARD,P_PINR(B)::S(J)
- R(g);N_GUARD::S(J)
- R(g);N_GUARD::S(J),XR(g)
- B(a);OGATE::R1(B)
- B(a);SBLOCK::P(C)
- P(f);OGATE::R1(I),XP(f)
- P(i);SBLOCK::QAB(H)
- Refutation
- P(b);
- Try
- Q(H);
- Vars
- B(a);XP(F)::S(E),XB(a)
- R(g);N_GUARD,P_PINR(B)::S(J)
- R(g);N_GUARD::S(J)
- R(g);N_GUARD::S(J),XR(g)
- B(a);OGATE::R1(B)
- B(a);SBLOCK::P(C)
- P(f);OGATE::R1(I),XP(f)
- P(i);SBLOCK::QAB(H)
- Refutation
- P(b);
- Try
- Q(H);
- Vars
- R(g);N_GUARD,P_PINR(B)::S(J)
- R(g);N_GUARD::S(J)
- R(g);N_GUARD::S(J),XR(g)
- P(f);OGATE::R1(I),XP(f)
- Refutation
- P(b);
- Try
- Actual
- B(D);
- Vars
- K(c);P_SPINB(a),P_SPINP(f),S_FLIGHT::QAB(H)
- B(a);XP(F)::S(E),XB(a)
- P(b);SBLOCK::B(D)
- R(g);N_GUARD,P_PINR(B)::S(J)
- R(g);N_GUARD::S(J)
- R(g);N_GUARD::S(J),XR(g)
- B(a);OGATE::R1(B)
- B(a);SBLOCK::P(C)
- P(f);OGATE::R1(I),XP(f)
- P(i);SBLOCK::QAB(H)
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