MESON Chess Problem Database
Problem Display
PID: 87955 (8/2p2N1K/2R1pP1p/2P2k1N/7B/2pp1P2/2prn3/2Q1R3 w - - 0 1)
Matthews, Robin CO
The Problemist, 1950
#2
10 + 9
| 14609 | Mostly Three=Movers | 1995 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sg7#
- 1...Sxc1
- 2.Sxh6#
- 2.Re5#
- 1...Sg1
- 2.Sxh6#
- 2.Re5#
- 1...Sg3
- 2.Sxh6#
- 2.Re5#
- 1...Sd4
- 2.Sxh6#
- 2.Re5#
- 1...Sf4
- 2.Sg3#
- 2.Sg7#
- 2.Sxh6#
- 2.Re5#
- 1...e5
- 2.Sxh6#
- 1...Rd1
- Tries
- 1.Kxh6?
- 1...Sxc1
- 2.Re5#
- 1...Rd1
- 2.Sg7#
- 2.Qg5#
- 1...Sg1
- 2.Re5#
- 1...Sg3
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sf4
- 2.Sg3#
- 2.Sg7#
- 2.Re5#
- 1...e5!
- 1...Sxc1
- 1.Kg7?
- 1...Sxc1
- 2.Sxh6#
- 2.Re5#
- 1...Sg1
- 2.Sxh6#
- 2.Re5#
- 1...Sg3
- 2.Sxh6#
- 2.Re5#
- 1...Sd4
- 2.Sxh6#
- 2.Re5#
- 1...Sf4
- 2.Sg3#
- 2.Sxh6#
- 2.Re5#
- 1...e5
- 2.Sxh6#
- 1...Rd1!
- 1...Sxc1
- 1.Rxe2?
- threat
- 2.Sxh6#
- 2.Re5#
- 1...Rxe2
- 2.Sg3#
- 2.Sg7#
- 2.Qf4#
- 1...e5
- 2.Sxh6#
- 2.Rxe5#
- 1...dxe2!
- threat
- 1.Ra6?
- 1...Sxc1
- 2.Sxh6#
- 2.Re5#
- 1...e5
- 2.Sxh6#
- 1...Rd1
- 2.Sg7#
- 1...Sg1
- 2.Sxh6#
- 2.Re5#
- 1...Sg3
- 2.Sxh6#
- 2.Re5#
- 1...Sd4
- 2.Sxh6#
- 2.Re5#
- 1...Sf4
- 2.Sg3#
- 2.Sg7#
- 2.Sxh6#
- 2.Re5#
- 1...c6!
- 1...Sxc1
- 1.Rxc7?
- 1...Sxc1
- 2.Sd6#
- 2.Sxh6#
- 2.Re5#
- 1...Rd1
- 2.Sg7#
- 1...Sg1
- 2.Sd6#
- 2.Sxh6#
- 2.Re5#
- 1...Sg3
- 2.Sd6#
- 2.Sxh6#
- 2.Re5#
- 1...Sd4
- 2.Sd6#
- 2.Sxh6#
- 2.Re5#
- 1...Sf4
- 2.Sg3#
- 2.Sg7#
- 2.Sd6#
- 2.Sxh6#
- 2.Re5#
- 1...e5!
- 1...Sxc1
- 1.Qxd2?
- threat
- 2.Sg7#
- 2.Qxd3#
- 1...c1S
- 2.Sg7#
- 1...Sc1
- 2.Sg3#
- 2.Sg7#
- 2.Sxh6#
- 2.Re5#
- 2.Qf4#
- 1...Sg3
- 2.Sxg3#
- 2.Sg7#
- 2.Sxh6#
- 2.Re5#
- 2.Qf4#
- 1...Sf4
- 2.Sg3#
- 2.Sg7#
- 2.Sxh6#
- 2.Re5#
- 2.Qxf4#
- 1...e5
- 2.Sg7#
- 2.Sxh6#
- 1...cxd2!
- threat
- 1.Kxh6?
- Keys
- 1.Bg3!
- 1...Sxc1
- 2.Re5#
- 1...Sxg3
- 2.Re5#
- 1...e5
- 2.Sg7#
- 1...Rd1
- 2.Sxh6#
- 1...Sg1
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sf4
- 2.Re5#
- 1...Sxc1
- 1.Bg3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(b);::S(F)
- P(g);SBLOCK::S(I),XP(h)
- Tries
- Try
- K(J);P-FLIGHT,XP(h)
- Vars
- S(c);OGATE,XQ(A)::R1(B)
- S(c);OGATE::R1(B)
- Refutation
- P(g);
- Try
- K(J);P-FLIGHT
- Vars
- P(g);SBLOCK::S(I),XP(h)
- Refutation
- R(b);
- Try
- R(B);XS(c)
- Threat
- DUALS(2)
- Refutation
- P(e);XR(B)
- Try
- R(G);
- Vars
- P(g);SBLOCK::S(I),XP(h)
- R(b);::S(F)
- Refutation
- P(i);
- Try
- R(G);XP(i)
- Vars
- R(b);::S(F)
- Refutation
- P(g);
- Try
- Q(A);XR(b)
- Threat
- DUALS(2)
- Vars
- P(a);::S(F)
- Refutation
- P(d);XQ(A)
- Try
- Actual
- B(D);
- Vars
- S(c);OGATE,XQ(A)::R1(B)
- S(c);OGATE,XB(D)::R1(B)
- P(g);::S(F)
- R(b);::S(I),XP(h)
- S(c);OGATE::R1(B)
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