MESON Chess Problem Database
Problem Display
PID: 264514 (8/5R2/2Rn4/8/pQrb4/P2kpNN1/p5nK/B2B4 w - - 0 1)
Benjamin, A Jac
Sunday Referee, 1936
(First published on Sun Feb 16 1936)
#2
9 + 8
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Be2#
- 2.Qxd4#
- 1...Rc2
- 2.Bxc2#
- 2.Qxd4#
- 1...Rc3
- 2.Qxd4#
- 1...Rxb4
- 2.Bc2#
- 2.Be2#
- 1...Rc5
- 2.Qxd4#
- 1...Rxc6
- 2.Qxd4#
- 1...Bc5
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 1...Bb6
- 2.Se5#
- 1...Ba7
- 2.Se5#
- 1...Se1
- 2.Sxe1#
- 1...Sf4
- 2.Se1#
- 1...Sh4
- 2.Se1#
- 1...Se4
- 2.Qxc4#
- 1...Sb5
- 2.Qxc4#
- 1...Sf5
- 2.Qxc4#
- 1...Sb7
- 2.Qxc4#
- 1...Sxf7
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 1...Se8
- 2.Qxc4#
- 1...e2
- 2.Qd2#
- 1...Rc1
- Tries
- 1.Bc2+?
- 1...Rxc2
- 2.Qxd4#
- 1...Kxc2!
- 1...Rxc2
- 1.Rxd6?
- threat
- 2.Se5#
- 1...e2
- 2.Qd2#
- 1...Rc3
- 2.Rxd4#
- 2.Qxc3#
- 2.Qxd4#
- 1...Rc5
- 2.Rxd4#
- 2.Qxd4#
- 1...Rxb4!
- threat
- 1.Qb2?
- threat
- 2.Be2#
- 2.Qe2#
- 1...e2
- 2.Qd2#
- 2.Qxe2#
- 1...Rc2
- 2.Bxc2#
- 2.Qxd4#
- 2.Qxc2#
- 1...Sf4
- 2.Se1#
- 1...Bxb2!
- threat
- 1.Qb3+?
- 1...Rc3
- 2.Bc2#
- 2.Be2#
- 1...Bc3
- 2.Bc2#
- 2.Be2#
- 2.Qc2#
- 1...axb3!
- 1...Rc3
- 1.Bc2+?
- Keys
- 1.Rd7!
- 1...Rxb4
- 2.Bc2#
- 2.Be2#
- 1...Rxc6
- 2.Qxd4#
- 1...Bxa1
- 2.Qxc4#
- 1...e2
- 2.Qd2#
- 1...Bb2
- 2.Qxc4#
- 1...Rc1
- 2.Be2#
- 2.Qxd4#
- 1...Rc2
- 2.Bxc2#
- 2.Qxd4#
- 1...Rc3
- 2.Qxd4#
- 1...Rc5
- 2.Qxd4#
- 1...Bc3
- 2.Qxc4#
- 1...Bc5
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 2.Qxc4#
- 1...Bb6
- 2.Se5#
- 2.Qxc4#
- 1...Bf6
- 2.Qxc4#
- 1...Ba7
- 2.Se5#
- 2.Qxc4#
- 1...Bg7
- 2.Qxc4#
- 1...Bh8
- 2.Qxc4#
- 1...Se1
- 2.Sxe1#
- 1...Sf4
- 2.Se1#
- 1...Sh4
- 2.Se1#
- 1...Se4
- 2.Se5#
- 2.Qxc4#
- 1...Sb5
- 2.Se5#
- 2.Qxc4#
- 1...Sf5
- 2.Se5#
- 2.Qxc4#
- 1...Sb7
- 2.Se5#
- 2.Qxc4#
- 1...Sf7
- 2.Qxc4#
- 1...Sc8
- 2.Se5#
- 2.Qxc4#
- 1...Se8
- 2.Se5#
- 2.Qxc4#
- 1...Rxb4
- 1.Rd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 9
- Sets
- R(f);OGATE::QAR1(G),XB(g)
- R(f);OGATE,XR(H)::QAR1(G),XB(g)
- B(g);N_GUARD::S(E)
- B(g);N_GUARD,P_PINS(F)::S(E),XB(g)
- S(b);N_GUARD::S(E),XS(b)
- S(b);N_GUARD::S(E)
- S(h);N_GUARD::QAB1(G),XR(f)
- S(h);N_GUARD,XR(I)::QAB1(G),XR(f)
- P(d);N_GUARD::QAR1(G)
- Tries
- Try
- B(B);CHECK
- Vars
- R(f);OGATE,XB(B)::QAR1(G),XB(g)
- Refutation
- K(c);P_SPINR(f),S_FLIGHT,XB(B)
- Try
- R(H);P_PINB(g),XS(h)
- Threat
- S(E)
- Vars
- P(d);N_GUARD::QAR1(G)
- Refutation
- R(f);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD::S(E)
- Refutation
- B(g);XQ(G)
- Try
- Q(G);CHECK
- Refutation
- P(e);XQ(G)
- Try
- Actual
- R(I);
- Vars
- R(f);OGATE,XR(H)::QAR1(G),XB(g)
- B(g);P_SPINS(h),XB(A)::QAB1(G),XR(f)
- P(d);N_GUARD::QAR1(G)
- B(g);P_SPINS(h)::QAB1(G),XR(f)
- R(f);OGATE::QAR1(G),XB(g)
- B(g);N_GUARD,P_SPINS(h)::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(b);N_GUARD::S(E)
- S(h);N_GUARD,P_SPINB(g)::QAB1(G),XR(f)
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