MESON Chess Problem Database
Problem Display
PID: 272034 (B1R5/Nn1N1Kp1/b5P1/2pkBp2/5P2/br1pQ3/1p1P4/1R6 w - - 0 1)
Webb, G
Sunday Referee, 1934
(First published on Sun Mar 25 1934)
#2
11 + 10
| 15239 | Valois Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.Qd4#
- 1...Rc3
- 2.Sb6#
- 1...Rb4
- 2.Rxc5#
- 1...Rb5
- 2.Qxd3#
- 1...Rb6
- 2.Sxb6#
- 1...Bb4
- 2.Sb6#
- 1...Bc4
- 2.Qf3#
- 1...Bb5
- 2.Sb6#
- 1...c4
- 2.Qd4#
- 2.Qf3#
- 1...Kc4
- Tries
- 1.Ke7?
- 1...Kc4
- 2.Qd4#
- 1...Rc3
- 2.Sb6#
- 1...Rb4
- 2.Rxc5#
- 1...Rb5
- 2.Qxd3#
- 1...Rb6
- 2.Sxb6#
- 1...Bb4
- 2.Sb6#
- 1...Bc4
- 2.Qf3#
- 1...Bb5
- 2.Sb6#
- 1...c4+!
- 1...Kc4
- 1.Sb5?
- threat
- 2.Sb6#
- 1...Rxb5
- 2.Qxd3#
- 1...Kc4!
- threat
- 1.Sxc5?
- threat
- 2.Qd4#
- 1...Kc4
- 2.Qd4#
- 1...Bxc5
- 2.Rxc5#
- 1...Rb4!
- threat
- 1.Sf6+?
- 1...Kc4
- 2.Qd4#
- 1...gxf6!
- 1...Kc4
- 1.Bxg7?
- threat
- 2.Qe6#
- 1...Kc4
- 2.Qd4#
- 1...Kd6
- 2.Qe6#
- 1...Rb6!
- threat
- 1.Bb8?
- 1...Rc3
- 2.Sb6#
- 1...Rb4
- 2.Rxc5#
- 1...Rb5
- 2.Qxd3#
- 1...Rb6
- 2.Sxb6#
- 1...Bb4
- 2.Sb6#
- 1...Bc4
- 2.Qe5#
- 1...Bb5
- 2.Sb6#
- 1...c4
- 2.Qe5#
- 1...Kc4!
- 1...Rc3
- 1.Rxb2?
- 1...Kc4
- 2.Qd4#
- 1...Bxb2
- 2.Rxc5#
- 1...Rc3
- 2.Sb6#
- 1...Rb4
- 2.Rxc5#
- 1...Rb5
- 2.Qxd3#
- 1...Rb6
- 2.Sxb6#
- 1...Bb4
- 2.Sb6#
- 1...Bc4
- 2.Qf3#
- 1...Bb5
- 2.Sb6#
- 1...c4
- 2.Qd4#
- 2.Qf3#
- 1...Rxb2!
- 1...Kc4
- 1.Rd8?
- threat
- 2.Sb6#
- 1...Rb6
- 2.Sxb6#
- 1...Kc4!
- threat
- 1.Qxc5+?
- 1...Ke4
- 2.Qc6#
- 1...Bxc5!
- 1...Ke4
- 1.Ke7?
- Keys
- 1.Rc7!
- 1...Kc4
- 2.Qd4#
- 1...Rc3
- 2.Sb6#
- 1...Rb4
- 2.Rxc5#
- 1...Rb5
- 2.Qxd3#
- 1...Rb6
- 2.Sxb6#
- 1...Bb4
- 2.Sb6#
- 1...Bc4
- 2.Qf3#
- 1...Bb5
- 2.Sb6#
- 1...c4
- 2.Qd4#
- 2.Qf3#
- 1...Kc4
- 1.Rc7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(f);N_SPINS(i),P_SPINP(e),S_FLIGHT::QAR1(C)
- R(c);N_GUARD::S(H)
- R(c);S_CUTB(b)::R1(K),XP(e)
- R(c);N_GUARD,S_CUTB(h)::QAR2(C),XP(d)
- R(c);N_GUARD::S(H),XR(c)
- B(b);S_CUTR(c)::S(H)
- B(h);SBLOCK::QAB(C)
- B(h);S_CUTR(c)::S(H)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- K(f);N_SPINS(i),P_SPINP(e),S_FLIGHT::QAR1(C)
- R(c);N_GUARD::S(H)
- R(c);S_CUTB(b)::R1(K),XP(e)
- R(c);N_GUARD,S_CUTB(h)::QAR2(C),XP(d)
- R(c);N_GUARD::S(H),XR(c)
- B(b);S_CUTR(c)::S(H)
- B(h);SBLOCK::QAB(C)
- B(h);S_CUTR(c)::S(H)
- Refutation
- P(e);CHECK
- Try
- S(G);
- Threat
- S(H)
- Vars
- R(c);N_GUARD,XS(G)::QAR2(C),XP(d)
- Refutation
- K(f);N_SPINS(i),P_SPINP(e),S_FLIGHT
- Try
- S(H);XP(e)
- Threat
- QAR1(C)
- Vars
- K(f);N_SPINS(i),S_FLIGHT::QAR1(C)
- B(b);OGATE,XS(H)::R1(K),XB(b)
- Refutation
- R(c);
- Try
- S(H);CHECK
- Vars
- K(f);N_SPINS(i),P_SPINP(e),S_FLIGHT::QAR1(C)
- Refutation
- P(j);XS(H)
- Try
- B(E);XP(j)
- Threat
- QAB1(C)
- Vars
- K(f);N_SPINS(i),P_SPINP(e),S_FLIGHT::QAR1(C)
- K(f);N_SPINS(i),P-FLIGHT::QAR1(C)
- Refutation
- R(c);
- Try
- B(E);
- Vars
- R(c);N_GUARD::S(H)
- R(c);S_CUTB(b)::R1(K),XP(e)
- R(c);N_GUARD,S_CUTB(h)::QAR2(C),XP(d)
- R(c);N_GUARD::S(H),XR(c)
- B(b);S_CUTR(c)::S(H)
- B(h);SBLOCK::QAR1(C)
- B(h);S_CUTR(c)::S(H)
- P(e);::QAR1(C)
- Refutation
- K(f);N_SPINS(i),P_SPINP(e),S_FLIGHT
- Try
- R(A);XP(a)
- Vars
- K(f);N_SPINS(i),P_SPINP(e),S_FLIGHT::QAR1(C)
- B(b);N_GUARD,XR(A)::R1(K),XP(e)
- R(c);N_GUARD::S(H)
- R(c);S_CUTB(b)::R1(K),XP(e)
- R(c);N_GUARD,S_CUTB(h)::QAR2(C),XP(d)
- R(c);N_GUARD::S(H),XR(c)
- B(b);S_CUTR(c)::S(H)
- B(h);SBLOCK::QAB(C)
- B(h);S_CUTR(c)::S(H)
- Refutation
- R(c);XR(A)
- Try
- R(K);
- Threat
- R(K)+S(H),DCHECK
- Vars
- R(c);::R(K)+S(H),DCHECK,XR(c)
- Refutation
- K(f);N_SPINS(i),S_FLIGHT
- Try
- Q(C);CHECK,XP(e)
- Vars
- K(f);S_FLIGHT::QAB(C)
- Refutation
- B(b);XQ(C)
- Try
- Actual
- R(K);
- Vars
- K(f);N_SPINS(i),P_SPINP(e),S_FLIGHT::QAR1(C)
- R(c);N_GUARD::S(H)
- R(c);S_CUTB(b)::R1(K),XP(e)
- R(c);N_GUARD,S_CUTB(h)::QAR2(C),XP(d)
- R(c);N_GUARD::S(H),XR(c)
- B(b);S_CUTR(c)::S(H)
- B(h);SBLOCK::QAB(C)
- B(h);S_CUTR(c)::S(H)
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