MESON Chess Problem Database
Problem Display
PID: 49930 (1K4n1/2R5/3kp2p/R6r/1p5r/NB5p/1Q4b1/4b2q w - - 0 1)
Dawson, Thomas Rayner
Indian Chess Magazine, 1922
#2
6 + 11
| 3979 | Systematic Terminology | 1984 |
| 15256 | TRD Scrapbook | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Sxc4#
- 1...Re4
- 2.Ra6#
- 1...Rb5+
- 2.Sxb5#
- 1...Rd5
- 2.Ra6#
- 1...Re5
- 2.Qxe5#
- 1...Be4
- 2.Sc4#
- 1...Bd5
- 2.Sb5#
- 1...e5
- 2.Sb5#
- 1...Rc4
- Tries
- 1.Rf5?
- threat
- 2.Sb5#
- 2.Qe5#
- 1...bxa3
- 2.Qe5#
- 1...exf5
- 2.Sb5#
- 1...Qf1
- 2.Qe5#
- 1...Qh2
- 2.Sb5#
- 1...Rd4
- 2.Sb5#
- 1...Re4
- 2.Sb5#
- 1...Bc3
- 2.Sb5#
- 1...Bg3
- 2.Sb5#
- 1...Bf1
- 2.Qe5#
- 1...Bc6
- 2.Qe5#
- 1...e5
- 2.Sb5#
- 2.Qxe5#
- 1...Rxf5!
- threat
- 1.Rg5?
- threat
- 2.Sb5#
- 2.Qe5#
- 1...bxa3
- 2.Qe5#
- 1...hxg5
- 2.Sb5#
- 1...Qf1
- 2.Qe5#
- 1...Qh2
- 2.Sb5#
- 1...Rd4
- 2.Sb5#
- 1...Re4
- 2.Sb5#
- 1...Bc3
- 2.Sb5#
- 1...Bg3
- 2.Sb5#
- 1...Bf1
- 2.Qe5#
- 1...Bc6
- 2.Qe5#
- 1...e5
- 2.Sb5#
- 2.Qxe5#
- 1...Rxg5!
- threat
- 1.Rxh5?
- threat
- 2.Sb5#
- 2.Qe5#
- 1...bxa3
- 2.Qe5#
- 1...Qf1
- 2.Qe5#
- 1...Qh2
- 2.Sb5#
- 1...Rd4
- 2.Sb5#
- 1...Re4
- 2.Sb5#
- 1...Bc3
- 2.Sb5#
- 1...Bg3
- 2.Sb5#
- 1...Bf1
- 2.Qe5#
- 1...Bc6
- 2.Qe5#
- 1...e5
- 2.Sb5#
- 2.Qxe5#
- 1...Rxh5!
- threat
- 1.Qd4+?
- 1...Rd5
- 2.Sc4#
- 2.Sb5#
- 2.Ra6#
- 1...Bd5
- 2.Sc4#
- 2.Sb5#
- 2.Ra6#
- 1...Rxd4!
- 1...Rd5
- 1.Qf6?
- threat
- 2.Qd8#
- 2.Qxe6#
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa5
- 2.Qxe6#
- 1...Bc6
- 2.Qxe6#
- 1...Rc4
- 2.Sxc4#
- 2.Qd8#
- 1...Re4
- 2.Ra6#
- 2.Qd8#
- 1...Rc5
- 2.Qxe6#
- 1...Rd5
- 2.Ra6#
- 1...Re5
- 2.Qxe5#
- 2.Qd8#
- 1...Bd5
- 2.Sb5#
- 1...Se7
- 2.Qxe7#
- 2.Qxe6#
- 1...Sxf6!
- threat
- 1.Rf5?
- Keys
- 1.Qe2!
- threat
- 2.Qxe6#
- 1...Rb5+
- 2.Sxb5#
- 1...Rc4
- 2.Sxc4#
- 1...Re4
- 2.Qa6#
- 1...Rd5
- 2.Ra6#
- 1...Re5
- 2.Qxe5#
- 1...Be4
- 2.Sc4#
- 1...Bd5
- 2.Sb5#
- 1...e5
- 2.Sb5#
- threat
- 1.Qe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::S(B),XR(f)
- R(f);S_CUTB(c)::R(D)
- R(g);CHECK,N_GUARD::S(B),XR(g)
- R(g);S_CUTB(c)::R(D)
- R(g);N_GUARD::QAB1(A),XR(g)
- B(c);S_CUTR(f)::S(B)
- B(c);S_CUTR(g)::S(B)
- P(i);S_CUTR(g)::S(B)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(e);XS(B)::QAB1(A)
- P(i);XR(D)::S(B)
- Q(b);::QAB1(A)
- Q(b);::S(B)
- R(f);::S(B)
- B(a);::S(B)
- B(c);::QAB1(A)
- Refutation
- R(g);XR(D)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(e);XS(B)::QAB1(A)
- P(j);XR(D)::S(B)
- Q(b);::QAB1(A)
- Q(b);::S(B)
- R(f);::S(B)
- B(a);::S(B)
- B(c);::QAB1(A)
- Refutation
- R(g);XR(D)
- Try
- R(D);XR(g)
- Threat
- DUALS(2)
- Vars
- P(e);XS(B)::QAB1(A)
- Q(b);::QAB1(A)
- Q(b);::S(B)
- R(f);::S(B)
- B(a);::S(B)
- B(c);::QAB1(A)
- Refutation
- R(f);XR(D)
- Try
- Q(A);CHECK
- Refutation
- R(f);XQ(A)
- Try
- Q(A);P_PINP(i)
- Threat
- DUALS(2)
- Vars
- R(g);CHECK,N_GUARD::S(B),XR(g)
- R(g);XR(D)::QAR1(A),XP(i)
- B(c);::QAR1(A),XP(i)
- R(g);::QAR1(A),XP(i)
- R(g);S_CUTB(c)::R(D)
- B(c);S_CUTR(g)::S(B)
- Refutation
- S(k);N_SPINP(i),XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A),XP(i)
- Vars
- R(g);CHECK,N_GUARD::S(B),XR(g)
- R(f);N_GUARD::S(B),XR(f)
- R(f);S_CUTB(c)::QAR(A)
- R(g);S_CUTB(c)::R(D)
- R(g);N_GUARD::QAB1(A),XR(g)
- B(c);S_CUTR(f)::S(B)
- B(c);S_CUTR(g)::S(B)
- P(i);S_CUTR(g)::S(B)
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