MESON Chess Problem Database

Problem Display
PID: 205183 (8/2p2B2/2p3K1/2p1Q3/2p1p2B/3k4/1R6/8 w - - 0 1)

Abramenko, Aleksey

04. YCCC, 2019

8/2p2B2/2p3K1/2p1Q3/2p1p2B/3k4/1R6/8

#2

5 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kf5?
      • 1...Ke3
        • 2.Qc3#
        • 2.Qxe4#
      • 1...c3
        • 2.Qxe4#
      • 1...e3!
    • 1.Kg5?
      • 1...Ke3
        • 2.Qc3#
      • 1...e3
        • 2.Bg6#
      • 1...c3!
    • 1.Bf2?
      • 1...e3
        • 2.Qxe3#
      • 1...c3!
    • 1.Bg5?
      • threat
        • 2.Rd2#
      • 1...e3
        • 2.Qxe3#
      • 1...c3!
    • 1.Bd5?
      • 1...Ke3
        • 2.Qxe4#
      • 1...c3
        • 2.Qxe4#
      • 1...e3
        • 2.Be4#
      • 1...cxd5!
    • 1.Re2?
      • 1...c3
        • 2.Qxe4#
      • 1...e3
        • 2.Qxe3#
      • 1...Kxe2!
    • 1.Qg3+?
      • 1...Kd4
        • 2.Bf6#
        • 2.Rd2#
      • 1...e3!
    • 1.Qxe4+?
      • 1...Kc3
        • 2.Bf6#
      • 1...Kxe4!
    • 1.Qxc5?
      • 1...e3
        • 2.Qxc4#
      • 1...c3
        • 2.Bc4#
      • 1...Kc3!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Qc3#
      • 1...Ke3
        • 2.Qg3#
      • 1...c3
        • 2.Qxc3#
      • 1...e3
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(C),XP(c)
      • Refutation
        • P(c);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::QAR2(C)
        • P(c);OGATEB::B(E)
      • Refutation
        • P(b);
    • Try
      • B(B);
      • Vars
        • P(c);OGATE::QAR1(C),XP(c)
      • Refutation
        • P(b);
    • Try
      • B(B);
      • Threat
        • R1(A)
      • Vars
        • P(c);OGATE::QAR1(C),XP(c)
      • Refutation
        • P(b);
    • Try
      • B(E);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c)::QAR1(C),XP(c)
        • P(b);SBLOCK::QAB1(C),XP(c)
        • P(c);SBLOCK::B(E)
      • Refutation
        • P(e);XB(E)
    • Try
      • R(A);
      • Vars
        • P(b);SBLOCK::QAB1(C),XP(c)
        • P(c);OGATE::QAR1(C),XP(c)
      • Refutation
        • K(a);P_SPINP(c),S_FLIGHT,XR(A)
    • Try
      • Q(C);CHECK
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • Q(C);CHECK,XP(c)
      • Vars
        • K(a);P-FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • Q(C);XP(d)
      • Vars
        • P(c);SBLOCK::QAB1(C),XP(b)
        • P(b);SBLOCK::B(E)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
  • Actual
    • B(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(a);P-FLIGHT,P_SPINP(c)::QAR2(C)
      • P(b);::QAR1(C),XP(b)
      • P(c);OGATEB,SBLOCK::QAB(C)
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