MESON Chess Problem Database
Problem Display
PID: 270684 (2KR4/8/2N1Q1bn/3P4/8/nP1kNPPq/3PRp2/B1rBb3 w - - 0 1)
Way, Charles F
The Observer, 1959
(First published on Sun Jun 7 1959)
#2
13 + 8
| 17397 | Ling Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Qxe6+
- 2.dxe6#
- 1...Rb1
- 2.Sb4#
- 2.Se5#
- 1...Rxc6+
- 2.dxc6#
- 1...Sc2
- 2.Se5#
- 1...Sc4
- 2.Sb4#
- 1...Sg4
- 2.Qxg6#
- 1...Sf5
- 2.Qe4#
- 1...Qxe6+
- Tries
- 1.Sc2?
- threat
- 2.S2b4#
- 2.S6b4#
- 2.Se5#
- 1...Qxe6+
- 2.dxe6#
- 1...Qxg3
- 2.S2b4#
- 2.S6b4#
- 2.Qe3#
- 1...Rxd1
- 2.S2b4#
- 2.S6b4#
- 1...Bxd2
- 2.Se5#
- 1...Sxc2
- 2.Se5#
- 1...Qg4
- 2.Se5#
- 1...Qf5
- 2.S2b4#
- 2.S6b4#
- 1...Qh4
- 2.Se5#
- 2.Qe3#
- 1...Qh5
- 2.S2b4#
- 2.S6b4#
- 2.Qe3#
- 1...Sc4
- 2.S2b4#
- 2.S6b4#
- 1...Sg4
- 2.S2b4#
- 2.S6b4#
- 2.Qxg6#
- 1...Sf7
- 2.S2b4#
- 2.S6b4#
- 1...Rxc2!
- threat
- 1.Sc4?
- threat
- 2.Sb2#
- 2.S4e5#
- 2.Sb4#
- 2.S6e5#
- 2.Re3#
- 1...Qxe6+
- 2.dxe6#
- 1...Qxg3
- 2.Sb2#
- 2.Sb4#
- 2.Re3#
- 2.Qe3#
- 1...Rxa1
- 2.Sb2#
- 2.S4e5#
- 2.Re3#
- 1...Rxd1
- 2.Sb4#
- 1...Bxd2
- 2.S4e5#
- 2.S6e5#
- 2.Rxd2#
- 1...Sxc4
- 2.Sb4#
- 1...f1S
- 2.Sb2#
- 2.S4e5#
- 2.Sb4#
- 2.S6e5#
- 1...Qf5
- 2.Sb2#
- 2.Sb4#
- 2.Re3#
- 1...Qh5
- 2.Sb2#
- 2.Sb4#
- 2.Re3#
- 2.Qe3#
- 1...Rb1
- 2.S4e5#
- 2.Sb4#
- 2.S6e5#
- 2.Re3#
- 1...Rc2
- 2.S4e5#
- 2.Sb4#
- 2.S6e5#
- 2.Re3#
- 1...Rc3
- 2.Sb2#
- 2.S4e5#
- 2.Re3#
- 1...Sc2
- 2.Sb2#
- 2.S4e5#
- 2.S6e5#
- 1...Sg4
- 2.Sb2#
- 2.Sb4#
- 2.Qxg6#
- 1...Sf5
- 2.Sb2#
- 2.S4e5#
- 2.Sb4#
- 2.S6e5#
- 2.Qe4#
- 1...Sf7
- 2.Sb2#
- 2.Sb4#
- 2.Re3#
- 1...Rxc4!
- threat
- 1.Sg4?
- threat
- 2.Se5#
- 2.Qe3#
- 1...Rxc6+
- 2.dxc6#
- 1...Qxg3
- 2.Qe3#
- 1...Rxd1
- 2.Sb4#
- 1...Bxd2
- 2.Sxf2#
- 2.Se5#
- 1...Sxg4
- 2.Qxg6#
- 1...f1S
- 2.Se5#
- 1...Qh5
- 2.Qe3#
- 1...Be4
- 2.Se5#
- 2.Qxe4#
- 1...Bf5
- 2.Se5#
- 1...Sc2
- 2.Sge5#
- 2.Sce5#
- 1...Sc4
- 2.Sb4#
- 1...Sf5
- 2.Se5#
- 2.Qe4#
- 1...Sf7
- 2.Qe3#
- 2.Qxg6#
- 1...Qxg4!
- threat
- 1.Sc2?
- Keys
- 1.Sf1!
- threat
- 2.Re3#
- 1...Qxe6+
- 2.dxe6#
- 1...Rxc6+
- 2.dxc6#
- 1...Qxf1
- 2.Qe3#
- 1...Rxd1
- 2.Sb4#
- 1...Bxd2
- 2.Rxd2#
- 1...Sc2
- 2.Se5#
- 1...Sc4
- 2.Sb4#
- 1...Sg4
- 2.Qxg6#
- 1...Sf5
- 2.Qe4#
- threat
- 1.Sf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(f);CHECK,OGATE,XQ(K)::R(M)+P(I),XQ(f)
- R(a);CHECK,OGATE,XS(J)::R(M)+P(I),XR(a)
- S(d);N_PINS(J)::S(J)
- S(h);N_PINQ(K)::QAB(K),XB(g)
- S(h);N_PINQ(K)::QAB1(K)
- Tries
- Try
- S(F);N_SPINS(J)
- Threat
- DUALS(3)
- Vars
- Q(f);CHECK,OGATE,XQ(K)::R(M)+P(I),XQ(f)
- B(b);XP(C)::S(J)
- S(d);XS(F)::S(J)
- Q(f);::S(J)
- Refutation
- R(a);P_PINS(J),XS(F)
- Try
- S(F);N_SPINS(J)
- Threat
- DUALS(5)
- Vars
- Q(f);CHECK,OGATE,XQ(K)::R(M)+P(I),XQ(f)
- R(a);XB(B)::S(J)
- S(d);XS(F)::S(J)
- Refutation
- R(a);P_PINS(J),XS(F)
- Try
- S(F);N_SPINQ(K)
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,OGATE,XS(J)::R(M)+P(I),XR(a)
- Q(f);XP(H)::QAR1(K)
- R(a);N_PINS(J),XB(B)::S(J)
- S(h);N_GUARD,XS(F)::QAB(K),XB(g)
- P(c);::S(F)
- Q(f);::QAR1(K)
- B(g);P_PINQ(K)::S(F)
- S(d);N_PINS(J)::S(J)
- Refutation
- Q(f);P_PINQ(K),XS(F)
- Try
- Actual
- S(F);
- Threat
- R1(D)
- Vars
- Q(f);CHECK,OGATE,XQ(K)::R(M)+P(I),XQ(f)
- R(a);CHECK,OGATE,XS(J)::R(M)+P(I),XR(a)
- Q(f);N_PINQ(K),XS(F)::QAR1(K)
- R(a);N_PINS(J),XB(B)::S(J)
- B(b);OGATE,XP(C)::R1(D),XB(b)
- S(d);N_PINS(J)::S(J)
- S(h);N_PINQ(K)::QAB(K),XB(g)
- S(h);N_PINQ(K)::QAB1(K)
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