MESON Chess Problem Database

Problem Display
PID: 10230 (5n2/6p1/5b2/pp2PkPp/R1nQ4/3R1N1p/1p3K2/1B6 w - - 0 1)

Mansfield, Comins

5th HM., Sachove umeni (Ceskoslovensky sach), 1963

5n2/6p1/5b2/pp2PkPp/R1nQ4/3R1N1p/1p3K2/1B6

#2

8 + 10

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Rd1#
      • 2.Rd2#
      • 2.Rda3#
      • 2.Rb3#
      • 2.Rc3#
      • 2.Re3#
  • Tries
    • 1.Qxc4?
      • threat
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rda3#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Re3#
        • 2.Rd4#
        • 2.Rd6#
        • 2.Rd7#
        • 2.Rd8#
      • 1...Kg6
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rda3#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Re3#
        • 2.Rd4#
        • 2.Rd6#
        • 2.Rd7#
        • 2.Rd8#
      • 1...Bd8
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rda3#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Re3#
        • 2.Rd4#
        • 2.Rd6#
        • 2.Rd7#
        • 2.Rxd8#
      • 1...Sd7
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rda3#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Re3#
        • 2.Rd4#
        • 2.Rd6#
        • 2.Rxd7#
      • 1...bxc4!
    • 1.Qe4+?
      • 1...Kxe4
        • 2.Rd4#
      • 1...Ke6!
    • 1.Qf4+?
      • 1...Kxf4
        • 2.Rd4#
      • 1...Kg6
        • 2.Rd7#
      • 1...Ke6!
    • 1.Qg4+?
      • 1...Kxg4
        • 2.Rd4#
      • 1...Kg6
        • 2.Rd7#
      • 1...hxg4!
    • 1.Qd5?
      • threat
        • 2.Rd4#
      • 1...Kf4
        • 2.Rd4#
      • 1...Kg4
        • 2.Rd4#
        • 2.Qe4#
      • 1...Kg6
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rda3#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Re3#
        • 2.Rd4#
      • 1...Sd2
        • 2.Rxd2#
      • 1...Sa3
        • 2.Rdxa3#
      • 1...Se3
        • 2.Rxe3#
      • 1...Sd6!
    • 1.Qd6?
      • threat
        • 2.Rd4#
      • 1...Ke4
        • 2.Rd4#
      • 1...Kf4
        • 2.Rd4#
      • 1...Kg4
        • 2.Rd4#
      • 1...Sxe5
        • 2.Rd5#
      • 1...Sxd6
        • 2.Rxd6#
      • 1...Sd2
        • 2.Rxd2#
      • 1...Sa3
        • 2.Rdxa3#
      • 1...Se3
        • 2.Rxe3#
      • 1...Kg6!
    • 1.Qd7+?
      • 1...Ke4
        • 2.Rd4#
      • 1...Kf4
        • 2.Rd4#
      • 1...Kg6
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rda3#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Re3#
        • 2.Rd4#
        • 2.Rd5#
        • 2.Rd6#
      • 1...Se6
        • 2.Rd4#
      • 1...Sxd7!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Rd4#
      • 1...Ke4
        • 2.Rd4#
      • 1...Kf4
        • 2.Rd4#
      • 1...Kg4
        • 2.Rd4#
      • 1...Kg6
        • 2.Rd7#
      • 1...Sxe5
        • 2.Rd5#
      • 1...Sxb6
        • 2.Rd6#
      • 1...Sd2
        • 2.Rxd2#
      • 1...Sa3
        • 2.Rdxa3#
      • 1...Se3
        • 2.Rxe3#
      • 1...Sd6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);XS(c)
      • Threat
        • DUALS(10)
      • Refutation
        • P(e);XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • K(f);P_SPINS(c),S_FLIGHT,XQ(F)::B(A)+R(C),DCHECK
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(f);P-FLIGHT,P_SPINS(c),XQ(F)::R(C)
        • K(f);S_FLIGHT::B(A)+R(C)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(f);P_SPINS(c),S_FLIGHT,XQ(F)::R(C)
        • K(f);S_FLIGHT::B(A)+R(C)
      • Refutation
        • P(g);XQ(F)
    • Try
      • Q(F);
      • Threat
        • B(A)+R(C)
      • Vars
        • K(f);P-FLIGHT,P_SPINS(c)::R(C)
        • S(c);::B(A)+R(C),XS(c)
      • Refutation
        • S(c);
    • Try
      • Q(F);
      • Threat
        • B(A)+R(C)
      • Vars
        • K(f);P_SPINS(c),S_FLIGHT::B(A)+R(C),DCHECK
        • K(f);P-FLIGHT,P_SPINS(c)::R(C)
        • K(f);P_SPINS(c),S_FLIGHT::R(C)
        • S(c);XP(G)::B(A)+R(C)
        • S(c);OGATE,XQ(F)::B(A)+R(C),XS(c)
        • S(c);::B(A)+R(C),XS(c)
      • Refutation
        • K(f);P_SPINB(h),S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(f);P_SPINS(c),S_FLIGHT::B(A)+R(C),DCHECK
        • K(f);P-FLIGHT,P_SPINS(c)::R(C)
        • S(j);P_SPINS(j)::B(A)+R(C)
      • Refutation
        • S(j);XQ(F)
  • Actual
    • Q(F);
    • Threat
      • B(A)+R(C)
    • Vars
      • K(f);P_SPINS(c),S_FLIGHT::B(A)+R(C),DCHECK
      • K(f);P-FLIGHT,P_SPINS(c)::R(C)
      • K(f);P_SPINS(c),S_FLIGHT::R(C)
      • K(f);P_SPINB(h),S_FLIGHT::B(A)+R(C)
      • S(c);XP(G)::B(A)+R(C)
      • S(c);XQ(F)::B(A)+R(C)
      • S(c);::B(A)+R(C),XS(c)
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