MESON Chess Problem Database
Problem Display
PID: 268326 (Q6B/5B2/R2p1q2/4kpN1/P4p2/3r2R1/3P4/5K2 w - - 0 1)
Hallam, LC
Sunday Referee, 1929
(First published on Sun Apr 28 1929)
#2
9 + 6
| 15239 | Valois Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qd5#
- 1...Qg7
- 2.Bxg7#
- 1...Qxh8
- 2.Qxh8#
- 1...Rxd2
- 2.Sf3#
- 1...Ra3
- 2.Qd5#
- 1...Rb3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Re3
- 2.Qd5#
- 1...Rf3+
- 2.Sxf3#
- 1...Rxg3
- 2.Qd5#
- 1...Rd4
- 2.Sf3#
- 2.Qe8#
- 1...Rd5
- 2.Qxd5#
- 1...d5
- 2.Bxf6#
- 1...Kd4
- Tries
- 1.Rg1?
- 1...Rf3+
- 2.Sxf3#
- 1...Kd4
- 2.Qd5#
- 1...Qxh8
- 2.Qxh8#
- 1...Rxd2
- 2.Sf3#
- 1...Qg7
- 2.Bxg7#
- 1...Ra3
- 2.Qd5#
- 1...Rb3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Re3
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rh3
- 2.Qd5#
- 1...Rd4
- 2.Sf3#
- 2.Qe8#
- 1...Rd5
- 2.Qxd5#
- 1...d5
- 2.Bxf6#
- 1...f3!
- 1...Rf3+
- 1.Rg2?
- 1...Rf3+
- 2.Sxf3#
- 1...Kd4
- 2.Qd5#
- 1...Qxh8
- 2.Qxh8#
- 1...Rxd2
- 2.Sf3#
- 1...Qg7
- 2.Bxg7#
- 1...Ra3
- 2.Qd5#
- 1...Rb3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Re3
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rh3
- 2.Qd5#
- 1...Rd4
- 2.Sf3#
- 2.Qe8#
- 1...Rd5
- 2.Qxd5#
- 1...d5
- 2.Bxf6#
- 1...f3!
- 1...Rf3+
- 1.Rxd3?
- threat
- 2.Sf3#
- 2.Rd5#
- 2.Qd5#
- 2.Qe8#
- 1...Qxh8
- 2.Qxh8#
- 1...Qg7
- 2.Bxg7#
- 1...d5
- 2.Bxf6#
- 2.Rxd5#
- 2.Re6#
- 2.Qxd5#
- 2.Qb8#
- 2.Qe8#
- 1...f3!
- threat
- 1.Re3+?
- 1...Kd4
- 2.Qd5#
- 2.Qa7#
- 1...Rxe3
- 2.Qd5#
- 1...fxe3!
- 1...Kd4
- 1.Rf3?
- 1...Rxf3+
- 2.Sxf3#
- 1...Kd4
- 2.Qd5#
- 1...Qxh8
- 2.Qxh8#
- 1...Qg7
- 2.Bxg7#
- 1...Ra3
- 2.Qd5#
- 1...Rb3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Re3
- 2.Qd5#
- 1...Rd4
- 2.Qe8#
- 1...Rd5
- 2.Qxd5#
- 1...d5
- 2.Bxf6#
- 1...Rxd2!
- 1...Rxf3+
- 1.Rh3?
- 1...Rf3+
- 2.Sxf3#
- 1...Kd4
- 2.Qd5#
- 1...Qxh8
- 2.Qxh8#
- 1...Rxd2
- 2.Sf3#
- 1...Rxh3
- 2.Qd5#
- 1...Qg7
- 2.Bxg7#
- 1...Ra3
- 2.Qd5#
- 1...Rb3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Re3
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rd4
- 2.Sf3#
- 2.Qe8#
- 1...Rd5
- 2.Qxd5#
- 1...d5
- 2.Bxf6#
- 1...f3!
- 1...Rf3+
- 1.Ra5+?
- 1...Kd4
- 2.Bxf6#
- 2.Qd5#
- 2.Qa7#
- 1...Rd5
- 2.Rxd5#
- 2.Qxd5#
- 1...d5!
- 1...Kd4
- 1.Rg1?
- Keys
- 1.Rg4!
- 1...Rf3+
- 2.Sxf3#
- 1...Kd4
- 2.Qd5#
- 1...Qxh8
- 2.Qxh8#
- 1...Rxd2
- 2.Sf3#
- 1...fxg4
- 2.Qe4#
- 1...Qg7
- 2.Bxg7#
- 1...Ra3
- 2.Qd5#
- 1...Rb3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Re3
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rh3
- 2.Qd5#
- 1...Rd4
- 2.Sf3#
- 2.Qe8#
- 1...Rd5
- 2.Qxd5#
- 1...f3
- 2.Qe8#
- 1...d5
- 2.Bxf6#
- 1...Rf3+
- 1.Rg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);S_CUTR(a),S_FLIGHT::QAR1(H)
- Q(f);OGATEB::B(I),XQ(f)
- Q(f);N_SPINQ(f),OGATE,XB(I)::QAB(H),XQ(f)
- R(a);N_GUARD,XP(B)::S(E)
- R(a);N_GUARD::QAR1(H)
- R(a);CHECK,N_GUARD::S(E),XR(a)
- R(a);N_GUARD,XR(C)::QAR1(H)
- R(a);N_GUARD::QAR1(H),XR(a)
- P(e);::B(I),XQ(f)
- Tries
- Try
- R(C);
- Vars
- R(a);CHECK,N_GUARD::S(E),XR(a)
- K(c);S_CUTR(a),S_FLIGHT::QAR1(H)
- Q(f);N_SPINQ(f),OGATE,XB(I)::QAB(H),XQ(f)
- R(a);N_GUARD,XP(B)::S(E)
- Q(f);OGATEB::B(I),XQ(f)
- R(a);N_GUARD::QAR1(H)
- R(a);N_GUARD::QAR1(H),XR(a)
- P(e);::B(I),XQ(f)
- Refutation
- P(b);
- Try
- R(C);
- Vars
- R(a);CHECK,N_GUARD::S(E),XR(a)
- K(c);S_CUTR(a),S_FLIGHT::QAR1(H)
- Q(f);N_SPINQ(f),OGATE,XB(I)::QAB(H),XQ(f)
- R(a);N_GUARD,XP(B)::S(E)
- Q(f);OGATEB::B(I),XQ(f)
- R(a);N_GUARD::QAR1(H)
- R(a);N_GUARD::QAR1(H),XR(a)
- P(e);::B(I),XQ(f)
- Refutation
- P(b);
- Try
- R(C);XR(a)
- Threat
- DUALS(4)
- Vars
- Q(f);N_SPINQ(f),OGATE,XB(I)::QAB(H),XQ(f)
- Q(f);OGATEB::B(I),XQ(f)
- Refutation
- P(b);
- Try
- R(C);CHECK
- Vars
- R(a);XR(C)::QAR1(H)
- Refutation
- P(b);XR(C)
- Try
- R(C);
- Vars
- R(a);CHECK,XR(C)::S(E),XR(a)
- K(c);S_CUTR(a),S_FLIGHT::QAR1(H)
- Q(f);N_SPINQ(f),OGATE,XB(I)::QAB(H),XQ(f)
- Q(f);OGATEB::B(I),XQ(f)
- R(a);N_GUARD::QAR1(H)
- R(a);SBLOCK::QAR(H)
- R(a);N_GUARD::QAR1(H),XR(a)
- P(e);::B(I),XQ(f)
- Refutation
- R(a);XP(B)
- Try
- R(C);
- Vars
- R(a);CHECK,N_GUARD::S(E),XR(a)
- K(c);S_CUTR(a),S_FLIGHT::QAR1(H)
- Q(f);N_SPINQ(f),OGATE,XB(I)::QAB(H),XQ(f)
- R(a);N_GUARD,XP(B)::S(E)
- R(a);N_GUARD,XR(C)::QAR1(H)
- Q(f);OGATEB::B(I),XQ(f)
- R(a);N_GUARD::QAR1(H)
- R(a);N_GUARD::QAR1(H),XR(a)
- P(e);::B(I),XQ(f)
- Refutation
- P(b);
- Try
- R(F);CHECK
- Refutation
- P(e);P_SPINP(e)
- Try
- Actual
- R(C);
- Vars
- R(a);CHECK,N_GUARD::S(E),XR(a)
- K(c);P_SPINP(b),S_CUTR(a),S_FLIGHT::QAR1(H)
- Q(f);N_SPINQ(f),OGATE,XB(I)::QAB(H),XQ(f)
- R(a);N_GUARD,XP(B)::S(E)
- P(d);N_GUARD,XR(C)::QAR1(H)
- Q(f);OGATEB::B(I),XQ(f)
- R(a);N_GUARD::QAR1(H)
- R(a);N_GUARD::QAR1(H),XR(a)
- P(b);::QAR(H)
- P(e);::B(I),XQ(f)
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